﻿<?xml version="1.0" encoding="utf-8" standalone="no"?>
<?taxonomy-version 1.0.0.0?>
<?taxonomy-date 2022-03-30?>
<!--This is a generated XML file-->
<link:linkbase xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" />
  <link:arcroleRef arcroleURI="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/arcrole/esma-arcrole-2018-11-21.xsd#wider-narrower" />
  <link:roleRef roleURI="https://reachsubsea.no/role/FinancialPosition" xlink:type="simple" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#FinancialPosition" />
  <link:roleRef roleURI="https://reachsubsea.no/role/CashFlow" xlink:type="simple" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#CashFlow" />
  <link:roleRef roleURI="https://reachsubsea.no/role/ChangesInEquity" xlink:type="simple" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#ChangesInEquity" />
  <link:roleRef roleURI="https://reachsubsea.no/role/ComprehensiveIncome" xlink:type="simple" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#ComprehensiveIncome" />
  <link:roleRef roleURI="https://reachsubsea.no/role/Bolt-on" xlink:type="simple" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#Bolt-on" />
  <link:roleRef roleURI="http://www.esma.europa.eu/xbrl/role/cor/esef_role-999999" xlink:type="simple" xlink:href="http://www.esma.europa.eu/taxonomy/2020-03-16/esef_cor.xsd#esef_role-999999" />
  <link:roleRef roleURI="https://reachsubsea.no/role/Anchoring" xlink:type="simple" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#Anchoring" />
  <link:definitionLink xlink:type="extended" xlink:role="https://reachsubsea.no/role/FinancialPosition">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentAssetsAbstract" xlink:label="loc_ifrs-full_NoncurrentAssetsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PropertyPlantAndEquipment" xlink:label="loc_ifrs-full_PropertyPlantAndEquipment" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_NoncurrentAssetsAbstract" xlink:to="loc_ifrs-full_PropertyPlantAndEquipment" order="0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RightofuseAssets" xlink:label="loc_ifrs-full_RightofuseAssets" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_NoncurrentAssetsAbstract" xlink:to="loc_ifrs-full_RightofuseAssets" order="1" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_ResearchAndDevelopment" xlink:label="loc_reachsubsea_ResearchAndDevelopment" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_NoncurrentAssetsAbstract" xlink:to="loc_reachsubsea_ResearchAndDevelopment" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod" xlink:label="loc_ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_NoncurrentAssetsAbstract" xlink:to="loc_ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DeferredTaxAssets" xlink:label="loc_ifrs-full_DeferredTaxAssets" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_NoncurrentAssetsAbstract" xlink:to="loc_ifrs-full_DeferredTaxAssets" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentAssets" xlink:label="loc_ifrs-full_NoncurrentAssets" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_NoncurrentAssetsAbstract" xlink:to="loc_ifrs-full_NoncurrentAssets" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AssetsAbstract" xlink:label="loc_ifrs-full_AssetsAbstract" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_AssetsAbstract" xlink:to="loc_ifrs-full_NoncurrentAssetsAbstract" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentAssetsAbstract" xlink:label="loc_ifrs-full_CurrentAssetsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentFuel" xlink:label="loc_ifrs-full_CurrentFuel" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_CurrentAssetsAbstract" xlink:to="loc_ifrs-full_CurrentFuel" order="7" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentTradeReceivables" xlink:label="loc_ifrs-full_CurrentTradeReceivables" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_CurrentAssetsAbstract" xlink:to="loc_ifrs-full_CurrentTradeReceivables" order="8" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherCurrentReceivables" xlink:label="loc_ifrs-full_OtherCurrentReceivables" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_CurrentAssetsAbstract" xlink:to="loc_ifrs-full_OtherCurrentReceivables" order="9" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="loc_ifrs-full_CashAndCashEquivalents" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_CurrentAssetsAbstract" xlink:to="loc_ifrs-full_CashAndCashEquivalents" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentAssets" xlink:label="loc_ifrs-full_CurrentAssets" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_CurrentAssetsAbstract" xlink:to="loc_ifrs-full_CurrentAssets" order="11" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_AssetsAbstract" xlink:to="loc_ifrs-full_CurrentAssetsAbstract" order="12" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="loc_ifrs-full_Assets" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_AssetsAbstract" xlink:to="loc_ifrs-full_Assets" order="13" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfFinancialPositionAbstract" xlink:label="loc_ifrs-full_StatementOfFinancialPositionAbstract" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="loc_ifrs-full_AssetsAbstract" order="14" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAbstract" xlink:label="loc_ifrs-full_EquityAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IssuedCapital" xlink:label="loc_ifrs-full_IssuedCapital" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_EquityAbstract" xlink:to="loc_ifrs-full_IssuedCapital" order="15" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SharePremium" xlink:label="loc_ifrs-full_SharePremium" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_EquityAbstract" xlink:to="loc_ifrs-full_SharePremium" order="16" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_ProposedDividends" xlink:label="loc_reachsubsea_ProposedDividends" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_EquityAbstract" xlink:to="loc_reachsubsea_ProposedDividends" order="17" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherEquityInterest" xlink:label="loc_ifrs-full_OtherEquityInterest" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_EquityAbstract" xlink:to="loc_ifrs-full_OtherEquityInterest" order="18" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Equity" xlink:label="loc_ifrs-full_Equity" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_EquityAbstract" xlink:to="loc_ifrs-full_Equity" order="19" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilitiesAbstract" xlink:label="loc_ifrs-full_EquityAndLiabilitiesAbstract" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_EquityAndLiabilitiesAbstract" xlink:to="loc_ifrs-full_EquityAbstract" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentLiabilitiesAbstract" xlink:label="loc_ifrs-full_NoncurrentLiabilitiesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LongtermBorrowings" xlink:label="loc_ifrs-full_LongtermBorrowings" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:to="loc_ifrs-full_LongtermBorrowings" order="21" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentLeaseLiabilities" xlink:label="loc_ifrs-full_NoncurrentLeaseLiabilities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:to="loc_ifrs-full_NoncurrentLeaseLiabilities" order="22" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentLiabilities" xlink:label="loc_ifrs-full_NoncurrentLiabilities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:to="loc_ifrs-full_NoncurrentLiabilities" order="23" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_EquityAndLiabilitiesAbstract" xlink:to="loc_ifrs-full_NoncurrentLiabilitiesAbstract" order="24" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentLiabilitiesAbstract" xlink:label="loc_ifrs-full_CurrentLiabilitiesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:label="loc_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_CurrentLiabilitiesAbstract" xlink:to="loc_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" order="25" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:label="loc_ifrs-full_CurrentTaxLiabilitiesCurrent" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_CurrentLiabilitiesAbstract" xlink:to="loc_ifrs-full_CurrentTaxLiabilitiesCurrent" order="26" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax" xlink:label="loc_ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_CurrentLiabilitiesAbstract" xlink:to="loc_ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax" order="27" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:label="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_CurrentLiabilitiesAbstract" xlink:to="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" order="28" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentLeaseLiabilities" xlink:label="loc_ifrs-full_CurrentLeaseLiabilities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_CurrentLiabilitiesAbstract" xlink:to="loc_ifrs-full_CurrentLeaseLiabilities" order="29" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherCurrentLiabilities" xlink:label="loc_ifrs-full_OtherCurrentLiabilities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_CurrentLiabilitiesAbstract" xlink:to="loc_ifrs-full_OtherCurrentLiabilities" order="30" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentLiabilities" xlink:label="loc_ifrs-full_CurrentLiabilities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_CurrentLiabilitiesAbstract" xlink:to="loc_ifrs-full_CurrentLiabilities" order="31" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_EquityAndLiabilitiesAbstract" xlink:to="loc_ifrs-full_CurrentLiabilitiesAbstract" order="32" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="loc_ifrs-full_EquityAndLiabilities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_EquityAndLiabilitiesAbstract" xlink:to="loc_ifrs-full_EquityAndLiabilities" order="33" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="loc_ifrs-full_EquityAndLiabilitiesAbstract" order="34" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="https://reachsubsea.no/role/CashFlow">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfCashFlowsAbstract" xlink:label="loc_ifrs-full_StatementOfCashFlowsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="loc_ifrs-full_ProfitLossBeforeTax" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_ProfitLossBeforeTax" order="0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:label="loc_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets" xlink:label="loc_ifrs-full_AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GainRecognisedInBargainPurchaseTransaction" xlink:label="loc_ifrs-full_GainRecognisedInBargainPurchaseTransaction" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_GainRecognisedInBargainPurchaseTransaction" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:label="loc_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:label="loc_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RevenueFromInterest" xlink:label="loc_ifrs-full_RevenueFromInterest" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_RevenueFromInterest" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InterestExpense" xlink:label="loc_ifrs-full_InterestExpense" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_InterestExpense" order="7" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" order="8" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" order="9" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForProvisions" xlink:label="loc_ifrs-full_AdjustmentsForProvisions" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_AdjustmentsForProvisions" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForSharebasedPayments" xlink:label="loc_ifrs-full_AdjustmentsForSharebasedPayments" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_AdjustmentsForSharebasedPayments" order="11" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" order="12" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_AquiredCashBalanceFromConsolidationOfOctioAsAndMonviroAs" xlink:label="loc_reachsubsea_AquiredCashBalanceFromConsolidationOfOctioAsAndMonviroAs" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_reachsubsea_AquiredCashBalanceFromConsolidationOfOctioAsAndMonviroAs" order="13" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_AquiredCashBalanceFromConsolidationOfSurveyorAs" xlink:label="loc_reachsubsea_AquiredCashBalanceFromConsolidationOfSurveyorAs" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_reachsubsea_AquiredCashBalanceFromConsolidationOfSurveyorAs" order="14" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:label="loc_ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" order="15" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:label="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" order="16" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_PurchaseOfSharesInSubsidiary" xlink:label="loc_reachsubsea_PurchaseOfSharesInSubsidiary" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_reachsubsea_PurchaseOfSharesInSubsidiary" order="17" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" order="18" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:label="loc_ifrs-full_InterestPaidClassifiedAsFinancingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_InterestPaidClassifiedAsFinancingActivities" order="19" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProceedsFromIssueOfOrdinaryShares" xlink:label="loc_ifrs-full_ProceedsFromIssueOfOrdinaryShares" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_ProceedsFromIssueOfOrdinaryShares" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xlink:label="loc_ifrs-full_DividendsPaidClassifiedAsFinancingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_DividendsPaidClassifiedAsFinancingActivities" order="21" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:label="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" order="22" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_RepaymentOfBorrowingsAndLeasesIncludingIfrs16" xlink:label="loc_reachsubsea_RepaymentOfBorrowingsAndLeasesIncludingIfrs16" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_reachsubsea_RepaymentOfBorrowingsAndLeasesIncludingIfrs16" order="23" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" order="24" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:label="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" order="25" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="loc_ifrs-full_CashAndCashEquivalents" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_CashAndCashEquivalents" order="26" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:label="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" order="27" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="https://reachsubsea.no/role/ChangesInEquity">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfChangesInEquityAbstract" xlink:label="loc_ifrs-full_StatementOfChangesInEquityAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfChangesInEquityTable" xlink:label="loc_ifrs-full_StatementOfChangesInEquityTable" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_ifrs-full_StatementOfChangesInEquityAbstract" xlink:to="loc_ifrs-full_StatementOfChangesInEquityTable" xbrldt:contextElement="scenario" xbrldt:closed="true" order="0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfChangesInEquityLineItems" xlink:label="loc_ifrs-full_StatementOfChangesInEquityLineItems" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityAbstract" xlink:to="loc_ifrs-full_StatementOfChangesInEquityLineItems" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ComponentsOfEquityAxis" xlink:label="loc_ifrs-full_ComponentsOfEquityAxis" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_ifrs-full_StatementOfChangesInEquityTable" xlink:to="loc_ifrs-full_ComponentsOfEquityAxis" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityMember" xlink:label="loc_ifrs-full_EquityMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_ifrs-full_ComponentsOfEquityAxis" xlink:to="loc_ifrs-full_EquityMember" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IssuedCapitalMember" xlink:label="loc_ifrs-full_IssuedCapitalMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_ifrs-full_ComponentsOfEquityAxis" xlink:to="loc_ifrs-full_IssuedCapitalMember" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SharePremiumMember" xlink:label="loc_ifrs-full_SharePremiumMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_ifrs-full_ComponentsOfEquityAxis" xlink:to="loc_ifrs-full_SharePremiumMember" order="5" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_ProposedDividendsMember" xlink:label="loc_reachsubsea_ProposedDividendsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_ifrs-full_ComponentsOfEquityAxis" xlink:to="loc_reachsubsea_ProposedDividendsMember" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherEquityInterestMember" xlink:label="loc_ifrs-full_OtherEquityInterestMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_ifrs-full_ComponentsOfEquityAxis" xlink:to="loc_ifrs-full_OtherEquityInterestMember" order="7" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RetainedEarningsMember" xlink:label="loc_ifrs-full_RetainedEarningsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_ifrs-full_ComponentsOfEquityAxis" xlink:to="loc_ifrs-full_RetainedEarningsMember" order="8" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Equity" xlink:label="loc_ifrs-full_Equity" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="loc_ifrs-full_Equity" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLoss" xlink:label="loc_ifrs-full_ProfitLoss" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="loc_ifrs-full_ProfitLoss" order="11" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" order="12" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ComprehensiveIncome" xlink:label="loc_ifrs-full_ComprehensiveIncome" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="loc_ifrs-full_ComprehensiveIncome" order="13" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProceedsFromIssuingShares" xlink:label="loc_ifrs-full_ProceedsFromIssuingShares" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="loc_ifrs-full_ProceedsFromIssuingShares" order="14" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IssueOfEquity" xlink:label="loc_ifrs-full_IssueOfEquity" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="loc_ifrs-full_IssueOfEquity" order="15" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xlink:label="loc_ifrs-full_DividendsPaidClassifiedAsFinancingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="loc_ifrs-full_DividendsPaidClassifiedAsFinancingActivities" order="16" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DividendsPaid" xlink:label="loc_ifrs-full_DividendsPaid" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="loc_ifrs-full_DividendsPaid" order="17" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="loc_ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" order="18" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:label="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:to="loc_ifrs-full_ProfitLoss" order="19" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:to="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" order="20" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:to="loc_ifrs-full_ComprehensiveIncome" order="21" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" order="22" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="https://reachsubsea.no/role/ComprehensiveIncome">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossAbstract" xlink:label="loc_ifrs-full_ProfitLossAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RevenueFromContractsWithCustomers" xlink:label="loc_ifrs-full_RevenueFromContractsWithCustomers" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ProfitLossAbstract" xlink:to="loc_ifrs-full_RevenueFromContractsWithCustomers" order="0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherGainsLosses" xlink:label="loc_ifrs-full_OtherGainsLosses" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ProfitLossAbstract" xlink:to="loc_ifrs-full_OtherGainsLosses" order="1" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_OperatingIncomeInTotal" xlink:label="loc_reachsubsea_OperatingIncomeInTotal" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ProfitLossAbstract" xlink:to="loc_reachsubsea_OperatingIncomeInTotal" order="2" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_ProcurementExpenses" xlink:label="loc_reachsubsea_ProcurementExpenses" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ProfitLossAbstract" xlink:to="loc_reachsubsea_ProcurementExpenses" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DepreciationAndAmortisationExpense" xlink:label="loc_ifrs-full_DepreciationAndAmortisationExpense" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ProfitLossAbstract" xlink:to="loc_ifrs-full_DepreciationAndAmortisationExpense" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:label="loc_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ProfitLossAbstract" xlink:to="loc_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EmployeeBenefitsExpense" xlink:label="loc_ifrs-full_EmployeeBenefitsExpense" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ProfitLossAbstract" xlink:to="loc_ifrs-full_EmployeeBenefitsExpense" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_MiscellaneousOtherOperatingExpense" xlink:label="loc_ifrs-full_MiscellaneousOtherOperatingExpense" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ProfitLossAbstract" xlink:to="loc_ifrs-full_MiscellaneousOtherOperatingExpense" order="7" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OperatingExpense" xlink:label="loc_ifrs-full_OperatingExpense" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ProfitLossAbstract" xlink:to="loc_ifrs-full_OperatingExpense" order="8" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossFromOperatingActivities" xlink:label="loc_ifrs-full_ProfitLossFromOperatingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ProfitLossAbstract" xlink:to="loc_ifrs-full_ProfitLossFromOperatingActivities" order="9" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RevenueFromInterest" xlink:label="loc_ifrs-full_RevenueFromInterest" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ProfitLossAbstract" xlink:to="loc_ifrs-full_RevenueFromInterest" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InterestExpense" xlink:label="loc_ifrs-full_InterestExpense" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ProfitLossAbstract" xlink:to="loc_ifrs-full_InterestExpense" order="11" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherFinanceIncomeCost" xlink:label="loc_ifrs-full_OtherFinanceIncomeCost" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ProfitLossAbstract" xlink:to="loc_ifrs-full_OtherFinanceIncomeCost" order="12" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinanceIncomeCost" xlink:label="loc_ifrs-full_FinanceIncomeCost" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ProfitLossAbstract" xlink:to="loc_ifrs-full_FinanceIncomeCost" order="13" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:label="loc_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ProfitLossAbstract" xlink:to="loc_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" order="14" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod" xlink:label="loc_ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ProfitLossAbstract" xlink:to="loc_ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod" order="15" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:label="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ProfitLossAbstract" xlink:to="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" order="16" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLoss" xlink:label="loc_ifrs-full_ProfitLoss" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_ProfitLossAbstract" xlink:to="loc_ifrs-full_ProfitLoss" order="17" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:label="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:to="loc_ifrs-full_ProfitLossAbstract" order="18" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:to="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" order="19" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:to="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ComprehensiveIncome" xlink:label="loc_ifrs-full_ComprehensiveIncome" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:to="loc_ifrs-full_ComprehensiveIncome" order="21" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_BasicEarningsLossPerShare" xlink:label="loc_ifrs-full_BasicEarningsLossPerShare" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:to="loc_ifrs-full_BasicEarningsLossPerShare" order="22" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DilutedEarningsLossPerShare" xlink:label="loc_ifrs-full_DilutedEarningsLossPerShare" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:to="loc_ifrs-full_DilutedEarningsLossPerShare" order="23" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="https://reachsubsea.no/role/Bolt-on">
    <link:loc xlink:type="locator" xlink:href="http://www.esma.europa.eu/taxonomy/2020-03-16/esef_cor.xsd#esef_cor_NotesAccountingPoliciesAndMandatoryTags" xlink:label="loc_esef_cor_NotesAccountingPoliciesAndMandatoryTags" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NameOfReportingEntityOrOtherMeansOfIdentification" xlink:label="loc_ifrs-full_NameOfReportingEntityOrOtherMeansOfIdentification" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_NotesAccountingPoliciesAndMandatoryTags" xlink:to="loc_ifrs-full_NameOfReportingEntityOrOtherMeansOfIdentification" order="0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DomicileOfEntity" xlink:label="loc_ifrs-full_DomicileOfEntity" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_NotesAccountingPoliciesAndMandatoryTags" xlink:to="loc_ifrs-full_DomicileOfEntity" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LegalFormOfEntity" xlink:label="loc_ifrs-full_LegalFormOfEntity" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_NotesAccountingPoliciesAndMandatoryTags" xlink:to="loc_ifrs-full_LegalFormOfEntity" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CountryOfIncorporation" xlink:label="loc_ifrs-full_CountryOfIncorporation" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_NotesAccountingPoliciesAndMandatoryTags" xlink:to="loc_ifrs-full_CountryOfIncorporation" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AddressOfRegisteredOfficeOfEntity" xlink:label="loc_ifrs-full_AddressOfRegisteredOfficeOfEntity" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_NotesAccountingPoliciesAndMandatoryTags" xlink:to="loc_ifrs-full_AddressOfRegisteredOfficeOfEntity" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PrincipalPlaceOfBusiness" xlink:label="loc_ifrs-full_PrincipalPlaceOfBusiness" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_NotesAccountingPoliciesAndMandatoryTags" xlink:to="loc_ifrs-full_PrincipalPlaceOfBusiness" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" xlink:label="loc_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_NotesAccountingPoliciesAndMandatoryTags" xlink:to="loc_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NameOfParentEntity" xlink:label="loc_ifrs-full_NameOfParentEntity" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_NotesAccountingPoliciesAndMandatoryTags" xlink:to="loc_ifrs-full_NameOfParentEntity" order="7" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NameOfUltimateParentOfGroup" xlink:label="loc_ifrs-full_NameOfUltimateParentOfGroup" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_esef_cor_NotesAccountingPoliciesAndMandatoryTags" xlink:to="loc_ifrs-full_NameOfUltimateParentOfGroup" order="8" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.esma.europa.eu/xbrl/role/cor/esef_role-999999">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PropertyPlantAndEquipment" xlink:label="loc_ifrs-full_PropertyPlantAndEquipment" />
    <link:loc xlink:type="locator" xlink:href="http://www.esma.europa.eu/taxonomy/2020-03-16/esef_cor.xsd#esef_cor_LineItemsNotDimensionallyQualified" xlink:label="loc_esef_cor_LineItemsNotDimensionallyQualified" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_esef_cor_LineItemsNotDimensionallyQualified" xbrldt:contextElement="scenario" xbrldt:closed="true" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RightofuseAssets" xlink:label="loc_ifrs-full_RightofuseAssets" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_RightofuseAssets" order="2" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_ResearchAndDevelopment" xlink:label="loc_reachsubsea_ResearchAndDevelopment" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_reachsubsea_ResearchAndDevelopment" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod" xlink:label="loc_ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_InvestmentsInJointVenturesAccountedForUsingEquityMethod" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DeferredTaxAssets" xlink:label="loc_ifrs-full_DeferredTaxAssets" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_DeferredTaxAssets" order="5" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentAssets" xlink:label="loc_ifrs-full_NoncurrentAssets" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_NoncurrentAssets" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentFuel" xlink:label="loc_ifrs-full_CurrentFuel" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_CurrentFuel" order="7" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentTradeReceivables" xlink:label="loc_ifrs-full_CurrentTradeReceivables" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_CurrentTradeReceivables" order="8" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherCurrentReceivables" xlink:label="loc_ifrs-full_OtherCurrentReceivables" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_OtherCurrentReceivables" order="9" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="loc_ifrs-full_CashAndCashEquivalents" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_CashAndCashEquivalents" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentAssets" xlink:label="loc_ifrs-full_CurrentAssets" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_CurrentAssets" order="11" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Assets" xlink:label="loc_ifrs-full_Assets" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_Assets" order="12" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IssuedCapital" xlink:label="loc_ifrs-full_IssuedCapital" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_IssuedCapital" order="13" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_SharePremium" xlink:label="loc_ifrs-full_SharePremium" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_SharePremium" order="14" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_ProposedDividends" xlink:label="loc_reachsubsea_ProposedDividends" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_reachsubsea_ProposedDividends" order="15" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherEquityInterest" xlink:label="loc_ifrs-full_OtherEquityInterest" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_OtherEquityInterest" order="16" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_Equity" xlink:label="loc_ifrs-full_Equity" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_Equity" order="17" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LongtermBorrowings" xlink:label="loc_ifrs-full_LongtermBorrowings" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_LongtermBorrowings" order="18" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentLeaseLiabilities" xlink:label="loc_ifrs-full_NoncurrentLeaseLiabilities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_NoncurrentLeaseLiabilities" order="19" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NoncurrentLiabilities" xlink:label="loc_ifrs-full_NoncurrentLiabilities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_NoncurrentLiabilities" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:label="loc_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" order="21" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:label="loc_ifrs-full_CurrentTaxLiabilitiesCurrent" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_CurrentTaxLiabilitiesCurrent" order="22" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax" xlink:label="loc_ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax" order="23" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:label="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" order="24" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentLeaseLiabilities" xlink:label="loc_ifrs-full_CurrentLeaseLiabilities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_CurrentLeaseLiabilities" order="25" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherCurrentLiabilities" xlink:label="loc_ifrs-full_OtherCurrentLiabilities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_OtherCurrentLiabilities" order="26" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CurrentLiabilities" xlink:label="loc_ifrs-full_CurrentLiabilities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_CurrentLiabilities" order="27" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAndLiabilities" xlink:label="loc_ifrs-full_EquityAndLiabilities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_EquityAndLiabilities" order="28" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="loc_ifrs-full_ProfitLossBeforeTax" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_ProfitLossBeforeTax" order="29" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:label="loc_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" order="30" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets" xlink:label="loc_ifrs-full_AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets" order="31" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_GainRecognisedInBargainPurchaseTransaction" xlink:label="loc_ifrs-full_GainRecognisedInBargainPurchaseTransaction" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_GainRecognisedInBargainPurchaseTransaction" order="32" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:label="loc_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" order="33" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:label="loc_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" order="34" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RevenueFromInterest" xlink:label="loc_ifrs-full_RevenueFromInterest" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_RevenueFromInterest" order="35" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InterestExpense" xlink:label="loc_ifrs-full_InterestExpense" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_InterestExpense" order="36" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" order="37" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" order="38" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForProvisions" xlink:label="loc_ifrs-full_AdjustmentsForProvisions" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_AdjustmentsForProvisions" order="39" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AdjustmentsForSharebasedPayments" xlink:label="loc_ifrs-full_AdjustmentsForSharebasedPayments" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_AdjustmentsForSharebasedPayments" order="40" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" order="41" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_AquiredCashBalanceFromConsolidationOfOctioAsAndMonviroAs" xlink:label="loc_reachsubsea_AquiredCashBalanceFromConsolidationOfOctioAsAndMonviroAs" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_reachsubsea_AquiredCashBalanceFromConsolidationOfOctioAsAndMonviroAs" order="42" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_AquiredCashBalanceFromConsolidationOfSurveyorAs" xlink:label="loc_reachsubsea_AquiredCashBalanceFromConsolidationOfSurveyorAs" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_reachsubsea_AquiredCashBalanceFromConsolidationOfSurveyorAs" order="43" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:label="loc_ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" order="44" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:label="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" order="45" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_PurchaseOfSharesInSubsidiary" xlink:label="loc_reachsubsea_PurchaseOfSharesInSubsidiary" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_reachsubsea_PurchaseOfSharesInSubsidiary" order="46" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" order="47" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:label="loc_ifrs-full_InterestPaidClassifiedAsFinancingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_InterestPaidClassifiedAsFinancingActivities" order="48" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProceedsFromIssueOfOrdinaryShares" xlink:label="loc_ifrs-full_ProceedsFromIssueOfOrdinaryShares" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_ProceedsFromIssueOfOrdinaryShares" order="49" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xlink:label="loc_ifrs-full_DividendsPaidClassifiedAsFinancingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_DividendsPaidClassifiedAsFinancingActivities" order="50" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:label="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" order="51" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_RepaymentOfBorrowingsAndLeasesIncludingIfrs16" xlink:label="loc_reachsubsea_RepaymentOfBorrowingsAndLeasesIncludingIfrs16" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_reachsubsea_RepaymentOfBorrowingsAndLeasesIncludingIfrs16" order="52" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" order="53" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:label="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" order="54" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:label="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" order="55" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RevenueFromContractsWithCustomers" xlink:label="loc_ifrs-full_RevenueFromContractsWithCustomers" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_RevenueFromContractsWithCustomers" order="56" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherGainsLosses" xlink:label="loc_ifrs-full_OtherGainsLosses" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_OtherGainsLosses" order="57" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_OperatingIncomeInTotal" xlink:label="loc_reachsubsea_OperatingIncomeInTotal" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_reachsubsea_OperatingIncomeInTotal" order="58" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_ProcurementExpenses" xlink:label="loc_reachsubsea_ProcurementExpenses" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_reachsubsea_ProcurementExpenses" order="59" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DepreciationAndAmortisationExpense" xlink:label="loc_ifrs-full_DepreciationAndAmortisationExpense" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_DepreciationAndAmortisationExpense" order="60" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:label="loc_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" order="61" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EmployeeBenefitsExpense" xlink:label="loc_ifrs-full_EmployeeBenefitsExpense" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_EmployeeBenefitsExpense" order="62" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_MiscellaneousOtherOperatingExpense" xlink:label="loc_ifrs-full_MiscellaneousOtherOperatingExpense" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_MiscellaneousOtherOperatingExpense" order="63" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OperatingExpense" xlink:label="loc_ifrs-full_OperatingExpense" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_OperatingExpense" order="64" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLossFromOperatingActivities" xlink:label="loc_ifrs-full_ProfitLossFromOperatingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_ProfitLossFromOperatingActivities" order="65" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherFinanceIncomeCost" xlink:label="loc_ifrs-full_OtherFinanceIncomeCost" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_OtherFinanceIncomeCost" order="66" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_FinanceIncomeCost" xlink:label="loc_ifrs-full_FinanceIncomeCost" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_FinanceIncomeCost" order="67" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:label="loc_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" order="68" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod" xlink:label="loc_ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod" order="69" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:label="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" order="70" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ProfitLoss" xlink:label="loc_ifrs-full_ProfitLoss" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_ProfitLoss" order="71" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" order="72" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" order="73" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ComprehensiveIncome" xlink:label="loc_ifrs-full_ComprehensiveIncome" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_ComprehensiveIncome" order="74" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_BasicEarningsLossPerShare" xlink:label="loc_ifrs-full_BasicEarningsLossPerShare" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_BasicEarningsLossPerShare" order="75" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DilutedEarningsLossPerShare" xlink:label="loc_ifrs-full_DilutedEarningsLossPerShare" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_DilutedEarningsLossPerShare" order="76" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NameOfReportingEntityOrOtherMeansOfIdentification" xlink:label="loc_ifrs-full_NameOfReportingEntityOrOtherMeansOfIdentification" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_NameOfReportingEntityOrOtherMeansOfIdentification" order="77" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DomicileOfEntity" xlink:label="loc_ifrs-full_DomicileOfEntity" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_DomicileOfEntity" order="78" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_LegalFormOfEntity" xlink:label="loc_ifrs-full_LegalFormOfEntity" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_LegalFormOfEntity" order="79" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CountryOfIncorporation" xlink:label="loc_ifrs-full_CountryOfIncorporation" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_CountryOfIncorporation" order="80" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_AddressOfRegisteredOfficeOfEntity" xlink:label="loc_ifrs-full_AddressOfRegisteredOfficeOfEntity" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_AddressOfRegisteredOfficeOfEntity" order="81" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PrincipalPlaceOfBusiness" xlink:label="loc_ifrs-full_PrincipalPlaceOfBusiness" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_PrincipalPlaceOfBusiness" order="82" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" xlink:label="loc_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" order="83" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NameOfParentEntity" xlink:label="loc_ifrs-full_NameOfParentEntity" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_NameOfParentEntity" order="84" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_NameOfUltimateParentOfGroup" xlink:label="loc_ifrs-full_NameOfUltimateParentOfGroup" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="loc_ifrs-full_NameOfUltimateParentOfGroup" order="85" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="https://reachsubsea.no/role/Anchoring">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:label="loc_ifrs-full_IntangibleAssetsOtherThanGoodwill" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_ResearchAndDevelopment" xlink:label="loc_reachsubsea_ResearchAndDevelopment" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:to="loc_reachsubsea_ResearchAndDevelopment" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_IntangibleAssetsUnderDevelopment" xlink:label="loc_ifrs-full_IntangibleAssetsUnderDevelopment" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_reachsubsea_ResearchAndDevelopment" xlink:to="loc_ifrs-full_IntangibleAssetsUnderDevelopment" order="2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRights" xlink:label="loc_ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRights" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_reachsubsea_ResearchAndDevelopment" xlink:to="loc_ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRights" order="3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_EquityAttributableToOwnersOfParent" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParent" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_ProposedDividends" xlink:label="loc_reachsubsea_ProposedDividends" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="loc_reachsubsea_ProposedDividends" order="4" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013" xlink:label="loc_ifrs-full_CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_AquiredCashBalanceFromConsolidationOfOctioAsAndMonviroAs" xlink:label="loc_reachsubsea_AquiredCashBalanceFromConsolidationOfOctioAsAndMonviroAs" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013" xlink:to="loc_reachsubsea_AquiredCashBalanceFromConsolidationOfOctioAsAndMonviroAs" order="5" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_AquiredCashBalanceFromConsolidationOfSurveyorAs" xlink:label="loc_reachsubsea_AquiredCashBalanceFromConsolidationOfSurveyorAs" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013" xlink:to="loc_reachsubsea_AquiredCashBalanceFromConsolidationOfSurveyorAs" order="6" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:label="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_PurchaseOfSharesInSubsidiary" xlink:label="loc_reachsubsea_PurchaseOfSharesInSubsidiary" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:to="loc_reachsubsea_PurchaseOfSharesInSubsidiary" order="7" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_RepaymentOfBorrowingsAndLeasesIncludingIfrs16" xlink:label="loc_reachsubsea_RepaymentOfBorrowingsAndLeasesIncludingIfrs16" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="loc_reachsubsea_RepaymentOfBorrowingsAndLeasesIncludingIfrs16" order="8" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:label="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_reachsubsea_RepaymentOfBorrowingsAndLeasesIncludingIfrs16" xlink:to="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" order="9" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:label="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_reachsubsea_RepaymentOfBorrowingsAndLeasesIncludingIfrs16" xlink:to="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ExpenseByNature" xlink:label="loc_ifrs-full_ExpenseByNature" />
    <link:loc xlink:type="locator" xlink:href="5967007LIEEXZXK7FS45-2021-12-31.xsd#reachsubsea_ProcurementExpenses" xlink:label="loc_reachsubsea_ProcurementExpenses" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_ifrs-full_ExpenseByNature" xlink:to="loc_reachsubsea_ProcurementExpenses" order="11" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_RawMaterialsAndConsumablesUsed" xlink:label="loc_ifrs-full_RawMaterialsAndConsumablesUsed" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_reachsubsea_ProcurementExpenses" xlink:to="loc_ifrs-full_RawMaterialsAndConsumablesUsed" order="12" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2020-03-16/full_ifrs/full_ifrs-cor_2020-03-16.xsd#ifrs-full_ServicesExpense" xlink:label="loc_ifrs-full_ServicesExpense" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:from="loc_reachsubsea_ProcurementExpenses" xlink:to="loc_ifrs-full_ServicesExpense" order="13" />
  </link:definitionLink>
</link:linkbase>