<?xml version="1.0" encoding="utf-8"?>
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.xbrl.org/2003/linkbase">
  <roleRef roleURI="http://stjamessplaceplc.com/xbrl/2022/roles/StatementOfComprehensiveIncome" xlink:href="stjamessplaceplc-2022-12-31.xsd#StatementOfComprehensiveIncome" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <roleRef roleURI="http://stjamessplaceplc.com/xbrl/2022/roles/StatementOfFinancialPosition" xlink:href="stjamessplaceplc-2022-12-31.xsd#StatementOfFinancialPosition" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <roleRef roleURI="http://stjamessplaceplc.com/xbrl/2022/roles/StatementOfCashFlows" xlink:href="stjamessplaceplc-2022-12-31.xsd#StatementOfCashFlows" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <calculationLink xlink:role="http://stjamessplaceplc.com/xbrl/2022/roles/StatementOfComprehensiveIncome" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="stjamessplaceplc-2022-12-31.xsd#stjamessplaceplc_ProfitBeforeTaxAttributableToShareholdersReturns" xlink:label="stjamessplaceplc_ProfitBeforeTaxAttributableToShareholdersReturns" />
    <loc xlink:type="locator" xlink:href="stjamessplaceplc-2022-12-31.xsd#stjamessplaceplc_PolicyClaimsAndBenefitsGrossAmount" xlink:label="stjamessplaceplc_PolicyClaimsAndBenefitsGrossAmount" />
    <loc xlink:type="locator" xlink:href="stjamessplaceplc-2022-12-31.xsd#stjamessplaceplc_PolicyClaimsAndBenefitsReinsurersShare" xlink:label="stjamessplaceplc_PolicyClaimsAndBenefitsReinsurersShare" />
    <loc xlink:type="locator" xlink:href="stjamessplaceplc-2022-12-31.xsd#stjamessplaceplc_TaxAttributableToShareholdersReturns" xlink:label="stjamessplaceplc_TaxAttributableToShareholdersReturns" />
    <loc xlink:type="locator" xlink:href="stjamessplaceplc-2022-12-31.xsd#stjamessplaceplc_ChangeInInsuranceContractLiabilitiesReinsurersShare" xlink:label="stjamessplaceplc_ChangeInInsuranceContractLiabilitiesReinsurersShare" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_ExpenseArisingFromInsuranceContracts" xlink:label="ifrs-full_ExpenseArisingFromInsuranceContracts" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_ClaimsAndBenefitsPaidNetOfReinsuranceRecoveries" xlink:label="ifrs-full_ClaimsAndBenefitsPaidNetOfReinsuranceRecoveries" />
    <loc xlink:type="locator" xlink:href="stjamessplaceplc-2022-12-31.xsd#stjamessplaceplc_InsurancePremiumIncome" xlink:label="stjamessplaceplc_InsurancePremiumIncome" />
    <loc xlink:type="locator" xlink:href="stjamessplaceplc-2022-12-31.xsd#stjamessplaceplc_NetIncome" xlink:label="stjamessplaceplc_NetIncome" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ifrs-full_ProfitLossBeforeTax" />
    <loc xlink:type="locator" xlink:href="stjamessplaceplc-2022-12-31.xsd#stjamessplaceplc_InvestmentReturn" xlink:label="stjamessplaceplc_InvestmentReturn" />
    <loc xlink:type="locator" xlink:href="stjamessplaceplc-2022-12-31.xsd#stjamessplaceplc_LessPremiumsCededToReinsurers" xlink:label="stjamessplaceplc_LessPremiumsCededToReinsurers" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_ExpenseByNature" xlink:label="ifrs-full_ExpenseByNature" />
    <loc xlink:type="locator" xlink:href="stjamessplaceplc-2022-12-31.xsd#stjamessplaceplc_TaxAttributableToPolicyholdersReturns" xlink:label="stjamessplaceplc_TaxAttributableToPolicyholdersReturns" />
    <loc xlink:type="locator" xlink:href="stjamessplaceplc-2022-12-31.xsd#stjamessplaceplc_MovementInInvestmentContractBenefits" xlink:label="stjamessplaceplc_MovementInInvestmentContractBenefits" />
    <loc xlink:type="locator" xlink:href="stjamessplaceplc-2022-12-31.xsd#stjamessplaceplc_ChangeInInsuranceContractLiabilitiesGrossAmount" xlink:label="stjamessplaceplc_ChangeInInsuranceContractLiabilitiesGrossAmount" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_FeeAndCommissionIncome" xlink:label="ifrs-full_FeeAndCommissionIncome" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_NetEarnedPremium" xlink:label="ifrs-full_NetEarnedPremium" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_NetEarnedPremium" xlink:to="stjamessplaceplc_InsurancePremiumIncome" order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_NetEarnedPremium" xlink:to="stjamessplaceplc_LessPremiumsCededToReinsurers" order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="stjamessplaceplc_NetIncome" xlink:to="ifrs-full_NetEarnedPremium" order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="stjamessplaceplc_NetIncome" xlink:to="ifrs-full_FeeAndCommissionIncome" order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="stjamessplaceplc_NetIncome" xlink:to="stjamessplaceplc_InvestmentReturn" order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ClaimsAndBenefitsPaidNetOfReinsuranceRecoveries" xlink:to="stjamessplaceplc_PolicyClaimsAndBenefitsGrossAmount" order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ClaimsAndBenefitsPaidNetOfReinsuranceRecoveries" xlink:to="stjamessplaceplc_PolicyClaimsAndBenefitsReinsurersShare" order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ExpenseArisingFromInsuranceContracts" xlink:to="stjamessplaceplc_ChangeInInsuranceContractLiabilitiesGrossAmount" order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ExpenseArisingFromInsuranceContracts" xlink:to="stjamessplaceplc_ChangeInInsuranceContractLiabilitiesReinsurersShare" order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="stjamessplaceplc_MovementInInvestmentContractBenefits" order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="ifrs-full_ExpenseByNature" order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="ifrs-full_ExpenseArisingFromInsuranceContracts" order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="ifrs-full_ClaimsAndBenefitsPaidNetOfReinsuranceRecoveries" order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="stjamessplaceplc_NetIncome" order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="stjamessplaceplc_ProfitBeforeTaxAttributableToShareholdersReturns" xlink:to="stjamessplaceplc_TaxAttributableToPolicyholdersReturns" order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="stjamessplaceplc_ProfitBeforeTaxAttributableToShareholdersReturns" xlink:to="ifrs-full_ProfitLossBeforeTax" order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLoss" xlink:to="stjamessplaceplc_ProfitBeforeTaxAttributableToShareholdersReturns" order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLoss" xlink:to="stjamessplaceplc_TaxAttributableToShareholdersReturns" order="26" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
  </calculationLink>
  <calculationLink xlink:role="http://stjamessplaceplc.com/xbrl/2022/roles/StatementOfFinancialPosition" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_TreasuryShares" xlink:label="ifrs-full_TreasuryShares" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_CurrentTaxLiabilities" xlink:label="ifrs-full_CurrentTaxLiabilities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_Goodwill" xlink:label="ifrs-full_Goodwill" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_Equity" xlink:label="ifrs-full_Equity" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="ifrs-full_CashAndCashEquivalents" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_OtherPayables" xlink:label="ifrs-full_OtherPayables" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_RetainedEarnings" xlink:label="ifrs-full_RetainedEarnings" />
    <loc xlink:type="locator" xlink:href="stjamessplaceplc-2022-12-31.xsd#stjamessplaceplc_InvestmentsEquities" xlink:label="stjamessplaceplc_InvestmentsEquities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_InvestmentsInAssociates" xlink:label="ifrs-full_InvestmentsInAssociates" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_InvestmentProperty" xlink:label="ifrs-full_InvestmentProperty" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_Liabilities" xlink:label="ifrs-full_Liabilities" />
    <loc xlink:type="locator" xlink:href="stjamessplaceplc-2022-12-31.xsd#stjamessplaceplc_DeferredAcquisitionCosts" xlink:label="stjamessplaceplc_DeferredAcquisitionCosts" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_OtherProvisions" xlink:label="ifrs-full_OtherProvisions" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_ContractLiabilities" xlink:label="ifrs-full_ContractLiabilities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_Borrowings" xlink:label="ifrs-full_Borrowings" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_CurrentTaxAssets" xlink:label="ifrs-full_CurrentTaxAssets" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_NetAssetsLiabilities" xlink:label="ifrs-full_NetAssetsLiabilities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_SharePremium" xlink:label="ifrs-full_SharePremium" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_OtherReserves" xlink:label="ifrs-full_OtherReserves" />
    <loc xlink:type="locator" xlink:href="stjamessplaceplc-2022-12-31.xsd#stjamessplaceplc_IntangibleAssetsPurchasedValueOfInForceBusiness" xlink:label="stjamessplaceplc_IntangibleAssetsPurchasedValueOfInForceBusiness" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_DerivativeFinancialAssets" xlink:label="ifrs-full_DerivativeFinancialAssets" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_DeferredTaxAssets" xlink:label="ifrs-full_DeferredTaxAssets" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_ReinsuranceAssets" xlink:label="ifrs-full_ReinsuranceAssets" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_ComputerSoftware" xlink:label="ifrs-full_ComputerSoftware" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_PropertyPlantAndEquipment" xlink:label="ifrs-full_PropertyPlantAndEquipment" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_DeferredIncomeIncludingContractLiabilitiesRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_DeferredIncomeIncludingContractLiabilitiesRecognisedAsOfAcquisitionDate" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_DerivativeFinancialLiabilities" xlink:label="ifrs-full_DerivativeFinancialLiabilities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_DeferredTaxLiabilities" xlink:label="ifrs-full_DeferredTaxLiabilities" />
    <loc xlink:type="locator" xlink:href="stjamessplaceplc-2022-12-31.xsd#stjamessplaceplc_InvestmentsFixedIncomeSecurities" xlink:label="stjamessplaceplc_InvestmentsFixedIncomeSecurities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_InvestmentContractsLiabilities" xlink:label="ifrs-full_InvestmentContractsLiabilities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_NoncontrollingInterests" xlink:label="ifrs-full_NoncontrollingInterests" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_IssuedCapital" xlink:label="ifrs-full_IssuedCapital" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_EquityAttributableToOwnersOfParent" xlink:label="ifrs-full_EquityAttributableToOwnersOfParent" />
    <loc xlink:type="locator" xlink:href="stjamessplaceplc-2022-12-31.xsd#stjamessplaceplc_InvestmentsInvestmentInCollectiveInvestmentSchemes" xlink:label="stjamessplaceplc_InvestmentsInvestmentInCollectiveInvestmentSchemes" />
    <loc xlink:type="locator" xlink:href="stjamessplaceplc-2022-12-31.xsd#stjamessplaceplc_NetAssetValueAttributableToUnitHolders" xlink:label="stjamessplaceplc_NetAssetValueAttributableToUnitHolders" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_OtherReceivables" xlink:label="ifrs-full_OtherReceivables" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_InvestmentProperty" order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="stjamessplaceplc_InvestmentsEquities" order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="stjamessplaceplc_InvestmentsFixedIncomeSecurities" order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="stjamessplaceplc_InvestmentsInvestmentInCollectiveInvestmentSchemes" order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_DerivativeFinancialAssets" order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_CashAndCashEquivalents" order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_Goodwill" order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="stjamessplaceplc_DeferredAcquisitionCosts" order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="stjamessplaceplc_IntangibleAssetsPurchasedValueOfInForceBusiness" order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_ComputerSoftware" order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_PropertyPlantAndEquipment" order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_DeferredTaxAssets" order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_InvestmentsInAssociates" order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_ReinsuranceAssets" order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_OtherReceivables" order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_CurrentTaxAssets" order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_Borrowings" order="26" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_DeferredTaxLiabilities" order="27" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_ContractLiabilities" order="28" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_DeferredIncomeIncludingContractLiabilitiesRecognisedAsOfAcquisitionDate" order="29" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_OtherProvisions" order="30" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_OtherPayables" order="31" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_InvestmentContractsLiabilities" order="32" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_DerivativeFinancialLiabilities" order="33" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="stjamessplaceplc_NetAssetValueAttributableToUnitHolders" order="34" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_CurrentTaxLiabilities" order="35" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_NetAssetsLiabilities" xlink:to="ifrs-full_Liabilities" order="36" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_NetAssetsLiabilities" xlink:to="ifrs-full_Assets" order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="ifrs-full_IssuedCapital" order="39" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="ifrs-full_SharePremium" order="40" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="ifrs-full_TreasuryShares" order="41" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="ifrs-full_OtherReserves" order="42" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="ifrs-full_RetainedEarnings" order="43" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_EquityAttributableToOwnersOfParent" order="44" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_NoncontrollingInterests" order="45" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
  </calculationLink>
  <calculationLink xlink:role="http://stjamessplaceplc.com/xbrl/2022/roles/StatementOfCashFlows" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:label="ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" xlink:label="ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:label="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xlink:label="ifrs-full_DividendsPaidClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:label="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="stjamessplaceplc-2022-12-31.xsd#stjamessplaceplc_ConsiderationPaidForOwnSharesRelatingToCashFlowsFromFinancingActivities" xlink:label="stjamessplaceplc_ConsiderationPaidForOwnSharesRelatingToCashFlowsFromFinancingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_CashFlowsFromUsedInOperations" xlink:label="ifrs-full_CashFlowsFromUsedInOperations" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities" />
    <loc xlink:type="locator" xlink:href="stjamessplaceplc-2022-12-31.xsd#stjamessplaceplc_ContingentConsiderationClassifiedAsOperatingActivities" xlink:label="stjamessplaceplc_ContingentConsiderationClassifiedAsOperatingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:label="ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:label="ifrs-full_InterestPaidClassifiedAsOperatingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" xlink:label="ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:label="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:label="ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:label="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:label="ifrs-full_InterestReceivedClassifiedAsOperatingActivities" />
    <loc xlink:type="locator" xlink:href="stjamessplaceplc-2022-12-31.xsd#stjamessplaceplc_ProceedsFromTheIssueOfShareCapitalAndExerciseOfOptionsClassifiedAsFinancingActivities" xlink:label="stjamessplaceplc_ProceedsFromTheIssueOfShareCapitalAndExerciseOfOptionsClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="http://xbrl.ifrs.org/taxonomy/2021-03-24/full_ifrs/full_ifrs-cor_2021-03-24.xsd#ifrs-full_DividendsPaidToNoncontrollingInterestsClassifiedAsFinancingActivities" xlink:label="ifrs-full_DividendsPaidToNoncontrollingInterestsClassifiedAsFinancingActivities" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_CashFlowsFromUsedInOperations" order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_InterestReceivedClassifiedAsOperatingActivities" order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_InterestPaidClassifiedAsOperatingActivities" order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="stjamessplaceplc_ContingentConsiderationClassifiedAsOperatingActivities" order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities" order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="stjamessplaceplc_ProceedsFromTheIssueOfShareCapitalAndExerciseOfOptionsClassifiedAsFinancingActivities" order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="stjamessplaceplc_ConsiderationPaidForOwnSharesRelatingToCashFlowsFromFinancingActivities" order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" order="25" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_DividendsPaidClassifiedAsFinancingActivities" order="26" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_DividendsPaidToNoncontrollingInterestsClassifiedAsFinancingActivities" order="27" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivities" order="28" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivities" order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivities" order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" priority="1" weight="1.0" />
  </calculationLink>
</linkbase>