<?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://mangroupplc.com/xbrl/2025/roles/ProfitOrLoss" xlink:href="mangroupplc-2025-12-31.xsd#ProfitOrLoss" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <roleRef roleURI="http://mangroupplc.com/xbrl/2025/roles/StatementOfComprehensiveIncome" xlink:href="mangroupplc-2025-12-31.xsd#StatementOfComprehensiveIncome" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <roleRef roleURI="http://mangroupplc.com/xbrl/2025/roles/StatementOfFinancialPosition" xlink:href="mangroupplc-2025-12-31.xsd#StatementOfFinancialPosition" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <roleRef roleURI="http://mangroupplc.com/xbrl/2025/roles/StatementOfCashFlows" xlink:href="mangroupplc-2025-12-31.xsd#StatementOfCashFlows" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <roleRef roleURI="http://mangroupplc.com/xbrl/2025/roles/StatementOfChangesInEquity" xlink:href="mangroupplc-2025-12-31.xsd#StatementOfChangesInEquity" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <arcroleRef arcroleURI="https://xbrl.org/2023/arcrole/summation-item" xlink:href="https://www.xbrl.org/2023/calculation-1.1.xsd#summation-item" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />
  <calculationLink xlink:role="http://mangroupplc.com/xbrl/2025/roles/ProfitOrLoss" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Revenue" xlink:label="ifrs-full_Revenue" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PortfolioAndOtherManagementFeeIncome" xlink:label="ifrs-full_PortfolioAndOtherManagementFeeIncome" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_PerformanceFees" xlink:label="mangroupplc_PerformanceFees" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_NetRevenue" xlink:label="mangroupplc_NetRevenue" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RentalIncome" xlink:label="ifrs-full_RentalIncome" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DistributionCosts" xlink:label="ifrs-full_DistributionCosts" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_NetIncomeOrGainsOnInvestmentsAndOtherFinancialInstruments" xlink:label="mangroupplc_NetIncomeOrGainsOnInvestmentsAndOtherFinancialInstruments" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_ThirdPartyShareOfGainsRelatingToInterestsInConsolidatedFunds" xlink:label="mangroupplc_ThirdPartyShareOfGainsRelatingToInterestsInConsolidatedFunds" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ifrs-full_ProfitLossBeforeTax" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ServicesExpense" xlink:label="ifrs-full_ServicesExpense" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EmployeeBenefitsExpense" xlink:label="ifrs-full_EmployeeBenefitsExpense" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherExpenseByNature" xlink:label="ifrs-full_OtherExpenseByNature" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinanceIncome" xlink:label="ifrs-full_FinanceIncome" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinanceCosts" xlink:label="ifrs-full_FinanceCosts" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherEmployeeExpense" xlink:label="ifrs-full_OtherEmployeeExpense" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_AmortisationAndImpairmentOfAcquiredIntangibles" xlink:label="mangroupplc_AmortisationAndImpairmentOfAcquiredIntangibles" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" xlink:label="ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_ThirdPartyShareOfPostTaxProfits" xlink:label="mangroupplc_ThirdPartyShareOfPostTaxProfits" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsOnDisposalsOfInvestmentProperties" xlink:label="ifrs-full_GainsOnDisposalsOfInvestmentProperties" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_RevaluationOfAcquisitionRelatedLiabilities" xlink:label="mangroupplc_RevaluationOfAcquisitionRelatedLiabilities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:label="ifrs-full_ProfitLossAttributableToOwnersOfParent" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Revenue" xlink:to="ifrs-full_PortfolioAndOtherManagementFeeIncome" order="2" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Revenue" xlink:to="mangroupplc_PerformanceFees" order="2" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="mangroupplc_NetRevenue" xlink:to="ifrs-full_Revenue" order="7" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="mangroupplc_NetRevenue" xlink:to="ifrs-full_RentalIncome" order="7" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="mangroupplc_NetRevenue" xlink:to="ifrs-full_DistributionCosts" order="7" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="mangroupplc_NetRevenue" xlink:to="mangroupplc_NetIncomeOrGainsOnInvestmentsAndOtherFinancialInstruments" order="7" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="mangroupplc_NetRevenue" xlink:to="mangroupplc_ThirdPartyShareOfGainsRelatingToInterestsInConsolidatedFunds" order="7" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="mangroupplc_NetRevenue" order="19" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="ifrs-full_ServicesExpense" order="19" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="ifrs-full_EmployeeBenefitsExpense" order="19" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="ifrs-full_OtherExpenseByNature" order="19" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="ifrs-full_FinanceIncome" order="19" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="ifrs-full_FinanceCosts" order="19" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="ifrs-full_OtherEmployeeExpense" order="19" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="mangroupplc_AmortisationAndImpairmentOfAcquiredIntangibles" order="19" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" order="19" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="mangroupplc_ThirdPartyShareOfPostTaxProfits" order="19" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="ifrs-full_GainsOnDisposalsOfInvestmentProperties" order="19" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="mangroupplc_RevaluationOfAcquisitionRelatedLiabilities" order="19" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:to="ifrs-full_ProfitLossBeforeTax" order="21" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:to="ifrs-full_IncomeTaxExpenseContinuingOperations" order="21" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
  </calculationLink>
  <calculationLink xlink:role="http://mangroupplc.com/xbrl/2025/roles/StatementOfComprehensiveIncome" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:label="ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:label="ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:label="ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax" xlink:label="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" xlink:label="ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax" xlink:label="ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnHedgesOfNetInvestmentsInForeignOperationsNetOfTax" xlink:label="ifrs-full_GainsLossesOnHedgesOfNetInvestmentsInForeignOperationsNetOfTax" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" xlink:label="ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncome" xlink:label="ifrs-full_OtherComprehensiveIncome" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:label="ifrs-full_ProfitLossAttributableToOwnersOfParent" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:to="ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" order="2" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:to="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax" order="8" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:to="ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" order="8" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:to="ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax" order="8" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:to="ifrs-full_GainsLossesOnHedgesOfNetInvestmentsInForeignOperationsNetOfTax" order="8" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:to="ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" order="8" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_OtherComprehensiveIncome" xlink:to="ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" order="9" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_OtherComprehensiveIncome" xlink:to="ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax" order="9" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:to="ifrs-full_OtherComprehensiveIncome" order="10" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:to="ifrs-full_ProfitLossAttributableToOwnersOfParent" order="10" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
  </calculationLink>
  <calculationLink xlink:role="http://mangroupplc.com/xbrl/2025/roles/StatementOfFinancialPosition" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="ifrs-full_CashAndCashEquivalents" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TradeAndOtherReceivables" xlink:label="ifrs-full_TradeAndOtherReceivables" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" xlink:label="ifrs-full_InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod" xlink:label="ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_LeaseholdImprovementsAndEquipment" xlink:label="mangroupplc_LeaseholdImprovementsAndEquipment" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_InvestmentPropertyRightOfUseLeaseAssets" xlink:label="mangroupplc_InvestmentPropertyRightOfUseLeaseAssets" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_InvestmentPropertyConsolidatedFundEntities" xlink:label="mangroupplc_InvestmentPropertyConsolidatedFundEntities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherIntangibleAssets" xlink:label="ifrs-full_OtherIntangibleAssets" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxAssets" xlink:label="ifrs-full_DeferredTaxAssets" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RecognisedAssetsDefinedBenefitPlan" xlink:label="ifrs-full_RecognisedAssetsDefinedBenefitPlan" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_GoodwillAndAcquiredIntangibles" xlink:label="mangroupplc_GoodwillAndAcquiredIntangibles" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTaxAssets" xlink:label="ifrs-full_CurrentTaxAssets" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinanceLeaseReceivables" xlink:label="ifrs-full_FinanceLeaseReceivables" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_RightofuseAssetsThatDoNotMeetDefinitionOfInvestmentProperty" xlink:label="mangroupplc_RightofuseAssetsThatDoNotMeetDefinitionOfInvestmentProperty" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Liabilities" xlink:label="ifrs-full_Liabilities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TradeAndOtherPayables" xlink:label="ifrs-full_TradeAndOtherPayables" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherProvisions" xlink:label="ifrs-full_OtherProvisions" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTaxLiabilities" xlink:label="ifrs-full_CurrentTaxLiabilities" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_CLOLiabilitiesConsolidatedFundEntities" xlink:label="mangroupplc_CLOLiabilitiesConsolidatedFundEntities" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_ThirdPartyInterestInConsolidatedFunds" xlink:label="mangroupplc_ThirdPartyInterestInConsolidatedFunds" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_ThirdPartyInterestInOtherSubsidiaries" xlink:label="mangroupplc_ThirdPartyInterestInOtherSubsidiaries" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LeaseLiabilities" xlink:label="ifrs-full_LeaseLiabilities" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_EmploymentRelatedPayablesToSellersOfBusinessesAcquired" xlink:label="mangroupplc_EmploymentRelatedPayablesToSellersOfBusinessesAcquired" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Borrowings" xlink:label="ifrs-full_Borrowings" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NetAssetsLiabilities" xlink:label="ifrs-full_NetAssetsLiabilities" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_CashAndCashEquivalents" order="14" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_TradeAndOtherReceivables" order="14" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod" order="14" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod" order="14" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="mangroupplc_LeaseholdImprovementsAndEquipment" order="14" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="mangroupplc_InvestmentPropertyRightOfUseLeaseAssets" order="14" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="mangroupplc_InvestmentPropertyConsolidatedFundEntities" order="14" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_OtherIntangibleAssets" order="14" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_DeferredTaxAssets" order="14" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_RecognisedAssetsDefinedBenefitPlan" order="14" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="mangroupplc_GoodwillAndAcquiredIntangibles" order="14" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_CurrentTaxAssets" order="14" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_FinanceLeaseReceivables" order="14" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Assets" xlink:to="mangroupplc_RightofuseAssetsThatDoNotMeetDefinitionOfInvestmentProperty" order="14" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_TradeAndOtherPayables" order="24" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_OtherProvisions" order="24" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_CurrentTaxLiabilities" order="24" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="mangroupplc_CLOLiabilitiesConsolidatedFundEntities" order="24" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="mangroupplc_ThirdPartyInterestInConsolidatedFunds" order="24" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="mangroupplc_ThirdPartyInterestInOtherSubsidiaries" order="24" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_LeaseLiabilities" order="24" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="mangroupplc_EmploymentRelatedPayablesToSellersOfBusinessesAcquired" order="24" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_Borrowings" order="24" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_NetAssetsLiabilities" xlink:to="ifrs-full_Liabilities" order="25" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_NetAssetsLiabilities" xlink:to="ifrs-full_Assets" order="25" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
  </calculationLink>
  <calculationLink xlink:role="http://mangroupplc.com/xbrl/2025/roles/StatementOfCashFlows" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperations" xlink:label="ifrs-full_CashFlowsFromUsedInOperations" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:label="ifrs-full_InterestPaidClassifiedAsOperatingActivities" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_PaymentOfLeaseInterestClassifiedAsOperatingActivities" xlink:label="mangroupplc_PaymentOfLeaseInterestClassifiedAsOperatingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" xlink:label="ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" xlink:label="ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:label="ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestReceivedClassifiedAsInvestingActivities" xlink:label="ifrs-full_InterestReceivedClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:label="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_ReceiptOfSubLeaseInterestClassifiedAsInvestingActivities" xlink:label="mangroupplc_ReceiptOfSubLeaseInterestClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_ReceiptsOfFinanceLeaseReceivablesPrincipalClassifiedAsInvestingActivities" xlink:label="mangroupplc_ReceiptsOfFinanceLeaseReceivablesPrincipalClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_NetDrawdownRepaymentOfBorrowingsClassifiedAsFinancingActivities" xlink:label="mangroupplc_NetDrawdownRepaymentOfBorrowingsClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:label="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_PurchaseOfManGroupPLCSharesByTheEmployeeTrustClassifiedAsFinancingActivities" xlink:label="mangroupplc_PurchaseOfManGroupPLCSharesByTheEmployeeTrustClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProceedsFromSaleOrIssueOfTreasuryShares" xlink:label="ifrs-full_ProceedsFromSaleOrIssueOfTreasuryShares" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_ShareRepurchaseProgrammesIncludingCostsClassifiedAsFinancingActivities" xlink:label="mangroupplc_ShareRepurchaseProgrammesIncludingCostsClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_TransactionsWithNonControllingShareholdersClassifiedAsFinancingActivities" xlink:label="mangroupplc_TransactionsWithNonControllingShareholdersClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_PaymentOfThirdPartyShareOfPostTaxProfitsClassifiedAsFinancingActivities" xlink:label="mangroupplc_PaymentOfThirdPartyShareOfPostTaxProfitsClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_ProceedsFromLeaseModificationClassifiedAsFinancingActivities" xlink:label="mangroupplc_ProceedsFromLeaseModificationClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities" xlink:label="ifrs-full_DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="ifrs-full_CashAndCashEquivalents" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RestrictedCashAndCashEquivalents" xlink:label="ifrs-full_RestrictedCashAndCashEquivalents" />
    <loc xlink:type="locator" xlink:href="mangroupplc-2025-12-31.xsd#mangroupplc_AvailableCashAndCashEquivalentsAtEndOfTheyear" xlink:label="mangroupplc_AvailableCashAndCashEquivalentsAtEndOfTheyear" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_CashFlowsFromUsedInOperations" order="4" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_InterestPaidClassifiedAsOperatingActivities" order="4" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="mangroupplc_PaymentOfLeaseInterestClassifiedAsOperatingActivities" order="4" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities" order="4" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" order="11" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" order="11" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_InterestReceivedClassifiedAsInvestingActivities" order="11" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" order="11" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="mangroupplc_ReceiptOfSubLeaseInterestClassifiedAsInvestingActivities" order="11" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="mangroupplc_ReceiptsOfFinanceLeaseReceivablesPrincipalClassifiedAsInvestingActivities" order="11" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="mangroupplc_NetDrawdownRepaymentOfBorrowingsClassifiedAsFinancingActivities" order="21" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" order="21" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="mangroupplc_PurchaseOfManGroupPLCSharesByTheEmployeeTrustClassifiedAsFinancingActivities" order="21" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_ProceedsFromSaleOrIssueOfTreasuryShares" order="21" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="mangroupplc_ShareRepurchaseProgrammesIncludingCostsClassifiedAsFinancingActivities" order="21" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="mangroupplc_TransactionsWithNonControllingShareholdersClassifiedAsFinancingActivities" order="21" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="mangroupplc_PaymentOfThirdPartyShareOfPostTaxProfitsClassifiedAsFinancingActivities" order="21" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="mangroupplc_ProceedsFromLeaseModificationClassifiedAsFinancingActivities" order="21" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities" order="21" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="-1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivities" order="22" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivities" order="22" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivities" order="22" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashAndCashEquivalents" xlink:to="ifrs-full_RestrictedCashAndCashEquivalents" order="25" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_CashAndCashEquivalents" xlink:to="mangroupplc_AvailableCashAndCashEquivalentsAtEndOfTheyear" order="25" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
  </calculationLink>
  <calculationLink xlink:role="http://mangroupplc.com/xbrl/2025/roles/StatementOfChangesInEquity" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncome" xlink:label="ifrs-full_ComprehensiveIncome" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:label="ifrs-full_ProfitLossAttributableToOwnersOfParent" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncome" xlink:label="ifrs-full_OtherComprehensiveIncome" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ComprehensiveIncome" xlink:to="ifrs-full_ProfitLossAttributableToOwnersOfParent" order="3" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
    <calculationArc xlink:type="arc" xlink:from="ifrs-full_ComprehensiveIncome" xlink:to="ifrs-full_OtherComprehensiveIncome" order="3" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" priority="1" weight="1.0" />
  </calculationLink>
</linkbase>