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    <label xlink:label="label_rto_ifrs-fullIncomeTaxExpenseContinuingOperations_Standard" id="rto_ifrs-fullIncomeTaxExpenseContinuingOperations_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Income tax expense</label>
    <label xlink:label="label_rto_ifrs-fullProfitLossAttributableToOwnersOfParent_Standard" id="rto_ifrs-fullProfitLossAttributableToOwnersOfParent_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Profit for the year (including profit from non-controlling interests of £[XX]m (2020: £0.4m))</label>
    <label xlink:label="label_rto_ifrs-fullOtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_Standard" id="rto_ifrs-fullOtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Remeasurement of net defined benefit liability</label>
    <label xlink:label="label_rto_ifrs-fullIncomeTaxRelatingToComponentsOfOtherComprehensiveIncome_Total" id="rto_ifrs-fullIncomeTaxRelatingToComponentsOfOtherComprehensiveIncome_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Tax related to items taken to other comprehensive income</label>
    <label xlink:label="label_rto_ifrs-fullOtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation_Total" id="rto_ifrs-fullOtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Net exchange adjustments offset in reserves¹</label>
    <label xlink:label="label_rto_ifrs-fullOtherComprehensiveIncomeBeforeTaxHedgesOfNetInvestmentsInForeignOperations_Total" id="rto_ifrs-fullOtherComprehensiveIncomeBeforeTaxHedgesOfNetInvestmentsInForeignOperations_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Net gain/(loss) on net investment hedge¹</label>
    <label xlink:label="label_rto_ifrs-fullGainLossOnHedgeIneffectivenessRecognisedInOtherComprehensiveIncome_Standard" id="rto_ifrs-fullGainLossOnHedgeIneffectivenessRecognisedInOtherComprehensiveIncome_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Cost of hedging</label>
    <label xlink:label="label_rto_ifrs-fullOtherComprehensiveIncomeBeforeTaxCashFlowHedges_Total" id="rto_ifrs-fullOtherComprehensiveIncomeBeforeTaxCashFlowHedges_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Effective portion of changes in fair value of cash flow hedge</label>
    <label xlink:label="label_rto_ifrs-fullOtherComprehensiveIncome_Total" id="rto_ifrs-fullOtherComprehensiveIncome_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Other comprehensive income for the year</label>
    <label xlink:label="label_rto_ifrs-fullComprehensiveIncome_Total" id="rto_ifrs-fullComprehensiveIncome_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Total Comprehensive Income</label>
    <label xlink:label="label_rto_ifrs-fullBasicEarningsLossPerShare_Standard" id="rto_ifrs-fullBasicEarningsLossPerShare_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Basic</label>
    <label xlink:label="label_rto_ifrs-fullDilutedEarningsLossPerShare_Total" id="rto_ifrs-fullDilutedEarningsLossPerShare_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Diluted</label>
    <label xlink:label="label_StatementOfFinancialPositionAbstract" id="StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Statement of financial position</label>
    <label xlink:label="label_rto_ifrs-fullIntangibleAssetsAndGoodwill_Standard" id="rto_ifrs-fullIntangibleAssetsAndGoodwill_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Intangible assets</label>
    <label xlink:label="label_rto_ifrs-fullInvestmentsInAssociates_Standard" id="rto_ifrs-fullInvestmentsInAssociates_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Investments in associated undertakings</label>
    <label xlink:label="label_rto_ifrs-fullNoncurrentFinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognition_Standard" id="rto_ifrs-fullNoncurrentFinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognition_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Other investments</label>
    <label xlink:label="label_rto_ifrs-fullNoncurrentContractAssets_Standard" id="rto_ifrs-fullNoncurrentContractAssets_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Contract costs</label>
    <label xlink:label="label_rto_ifrs-fullRecognisedAssetsDefinedBenefitPlan_Standard" id="rto_ifrs-fullRecognisedAssetsDefinedBenefitPlan_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Retirement benefit assets</label>
    <label xlink:label="label_rto_ifrs-fullNoncurrentReceivables_Standard" id="rto_ifrs-fullNoncurrentReceivables_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Other receivables</label>
    <label xlink:label="label_rto_ifrs-fullNoncurrentDerivativeFinancialAssets_Standard" id="rto_ifrs-fullNoncurrentDerivativeFinancialAssets_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Derivative financial instruments</label>
    <label xlink:label="label_rto_ifrs-fullShorttermDepositsNotClassifiedAsCashEquivalents_Standard" id="rto_ifrs-fullShorttermDepositsNotClassifiedAsCashEquivalents_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Other investments</label>
    <label xlink:label="label_rto_ifrs-fullDerivativeFinancialAssets_Standard" id="rto_ifrs-fullDerivativeFinancialAssets_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Derivative financial instruments</label>
    <label xlink:label="label_rto_ifrs-fullCurrentProvisions_Total" id="rto_ifrs-fullCurrentProvisions_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Provisions for liabilities and charges</label>
    <label xlink:label="label_rto_ifrs-fullShorttermBorrowings_Standard" id="rto_ifrs-fullShorttermBorrowings_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Bank and other short-term borrowings</label>
    <label xlink:label="label_rto_ifrs-fullCurrentLeaseLiabilities_Standard" id="rto_ifrs-fullCurrentLeaseLiabilities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Lease liabilities</label>
    <label xlink:label="label_rto_ifrs-fullCurrentDerivativeFinancialLiabilities_Standard" id="rto_ifrs-fullCurrentDerivativeFinancialLiabilities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Derivative financial instruments</label>
    <label xlink:label="label_rto_ifrs-fullCurrentAssetsLiabilities_Standard" id="rto_ifrs-fullCurrentAssetsLiabilities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Net current (liabilities)/assets</label>
    <label xlink:label="label_rto_ifrs-fullOtherNoncurrentFinancialLiabilities_Standard" id="rto_ifrs-fullOtherNoncurrentFinancialLiabilities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Other payables</label>
    <label xlink:label="label_rto_ifrs-fullLongtermBorrowings_Standard" id="rto_ifrs-fullLongtermBorrowings_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Bank and other long-term borrowings</label>
    <label xlink:label="label_rto_ifrs-fullNoncurrentLeaseLiabilities_Standard" id="rto_ifrs-fullNoncurrentLeaseLiabilities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Lease liabilities</label>
    <label xlink:label="label_rto_ifrs-fullNoncurrentRecognisedLiabilitiesDefinedBenefitPlan_Standard" id="rto_ifrs-fullNoncurrentRecognisedLiabilitiesDefinedBenefitPlan_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Retirement benefit obligations</label>
    <label xlink:label="label_rto_ifrs-fullNoncurrentProvisions_Total" id="rto_ifrs-fullNoncurrentProvisions_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Provisions for liabilities and charges</label>
    <label xlink:label="label_rto_ifrs-fullNoncurrentDerivativeFinancialLiabilities_Standard" id="rto_ifrs-fullNoncurrentDerivativeFinancialLiabilities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Derivative financial instruments</label>
    <label xlink:label="label_rto_ifrs-fullNetAssetsLiabilities_Standard" id="rto_ifrs-fullNetAssetsLiabilities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Net assets</label>
    <label xlink:label="label_rto_ifrs-fullIssuedCapital_Standard" id="rto_ifrs-fullIssuedCapital_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Share capital</label>
    <label xlink:label="label_rto_ifrs-fullEquity_Standard" id="rto_ifrs-fullEquity_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Total equity</label>
    <label xlink:label="label_StatementOfChangesInEquityAbstract" id="StatementOfChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Statement of changes in equity</label>
    <label xlink:label="label_rto_ifrs-fullEquity_PeriodStart" id="rto_ifrs-fullEquity_PeriodStart" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en">At 1 January 2020</label>
    <label xlink:label="label_rto_ifrs-fullProfitLoss_Total" id="rto_ifrs-fullProfitLoss_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Profit for the year</label>
    <label xlink:label="label_rto_ifrs-fullOtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation_Total" id="rto_ifrs-fullOtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Net exchange adjustments offset in reserves</label>
    <label xlink:label="label_rto_ifrs-fullGainsLossesOnHedgesOfNetInvestmentsInForeignOperationsNetOfTax_Standard" id="rto_ifrs-fullGainsLossesOnHedgesOfNetInvestmentsInForeignOperationsNetOfTax_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Net loss on net investment hedge</label>
    <label xlink:label="label_rto_ifrs-fullGainsLossesOnCashFlowHedgesNetOfTax_Standard" id="rto_ifrs-fullGainsLossesOnCashFlowHedgesNetOfTax_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Net loss on cash flow hedge</label>
    <label xlink:label="label_rto_ifrs-fullIncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss_Standard" id="rto_ifrs-fullIncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Tax related to items taken directly to other comprehensive income</label>
    <label xlink:label="label_rto_ifrs-fullExpenseFromSharebasedPaymentTransactionsWithEmployees_Standard" id="rto_ifrs-fullExpenseFromSharebasedPaymentTransactionsWithEmployees_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Cost of equity-settled share-based payment plans</label>
    <label xlink:label="label_rto_ifrs-fullIncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss_Standard" id="rto_ifrs-fullIncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Tax related to items taken directly to equity</label>
    <label xlink:label="label_rto_ifrs-fullIncreaseDecreaseThroughTransactionsWithOwners_Standard" id="rto_ifrs-fullIncreaseDecreaseThroughTransactionsWithOwners_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Movement in the carrying value of put options</label>
    <label xlink:label="label_rto_ifrs-fullIncreaseDecreaseThroughTransferToStatutoryReserve_Standard" id="rto_ifrs-fullIncreaseDecreaseThroughTransferToStatutoryReserve_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Transfer between reserves</label>
    <label xlink:label="label_rto_ifrs-fullIssueOfEquity_Standard" id="rto_ifrs-fullIssueOfEquity_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Shares issued in the year</label>
    <label xlink:label="label_rto_ifrs-fullIncreaseDecreaseThroughAcquisitionOfSubsidiary_Standard" id="rto_ifrs-fullIncreaseDecreaseThroughAcquisitionOfSubsidiary_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Acquisition of non-controlling interests</label>
    <label xlink:label="label_rto_ifrs-fullDividendsPaid_NegatedLabel" id="rto_ifrs-fullDividendsPaid_NegatedLabel" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Dividends paid to equity shareholders</label>
    <label xlink:label="label_rto_ifrs-fullEquity_PeriodEnd" id="rto_ifrs-fullEquity_PeriodEnd" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en">At 31 December 2021</label>
    <label xlink:label="label_StatementOfCashFlowsAbstract" id="StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Statement of cash flows</label>
    <label xlink:label="label_rto_ifrs-fullCashFlowsFromUsedInOperations_Standard" id="rto_ifrs-fullCashFlowsFromUsedInOperations_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Cash generated from operating activities</label>
    <label xlink:label="label_rto_ifrs-fullInterestPaidClassifiedAsOperatingActivities_Standard" id="rto_ifrs-fullInterestPaidClassifiedAsOperatingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Interest paid</label>
    <label xlink:label="label_rto_ifrs-fullIncomeTaxesPaidClassifiedAsOperatingActivities_Standard" id="rto_ifrs-fullIncomeTaxesPaidClassifiedAsOperatingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Income tax paid</label>
    <label xlink:label="label_rto_ifrs-fullCashFlowsFromUsedInOperatingActivities_Standard" id="rto_ifrs-fullCashFlowsFromUsedInOperatingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Net cash flows from operating activities</label>
    <label xlink:label="label_rto_ifrs-fullPurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_Standard" id="rto_ifrs-fullPurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Purchase of property, plant and equipment</label>
    <label xlink:label="label_rto_ifrs-fullPurchaseOfIntangibleAssetsClassifiedAsInvestingActivities_Standard" id="rto_ifrs-fullPurchaseOfIntangibleAssetsClassifiedAsInvestingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Purchase of intangible fixed assets</label>
    <label xlink:label="label_rto_ifrs-fullProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_Standard" id="rto_ifrs-fullProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Proceeds from sale of property, plant and equipment</label>
    <label xlink:label="label_rto_ifrs-fullCashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_Standard" id="rto_ifrs-fullCashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Acquisition of companies and businesses, net of cash acquired</label>
    <label xlink:label="label_rto_ifrs-fullCashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_Standard" id="rto_ifrs-fullCashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Disposal of companies and businesses</label>
    <label xlink:label="label_rto_ifrs-fullDividendsReceivedClassifiedAsInvestingActivities_Short" id="rto_ifrs-fullDividendsReceivedClassifiedAsInvestingActivities_Short" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en">Dividends received from associates</label>
    <label xlink:label="label_rto_ifrs-fullCashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments_Standard" id="rto_ifrs-fullCashFlowsFromUsedInDecreaseIncreaseInShorttermDepositsAndInvestments_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Net change to cash flow from investment in term deposits¹</label>
    <label xlink:label="label_rto_ifrs-fullCashFlowsFromUsedInInvestingActivities_Standard" id="rto_ifrs-fullCashFlowsFromUsedInInvestingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Net cash flows from investing activities</label>
    <label xlink:label="label_rto_ifrs-fullDividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities_Standard" id="rto_ifrs-fullDividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Dividends paid to equity shareholders</label>
    <label xlink:label="label_rto_ifrs-fullPaymentsToAcquireOrRedeemEntitysShares_NegatedLabel" id="rto_ifrs-fullPaymentsToAcquireOrRedeemEntitysShares_NegatedLabel" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en">Acquisition of shares from non-controlling interest</label>
    <label xlink:label="label_rto_ifrs-fullPaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_Standard" id="rto_ifrs-fullPaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Capital element of lease payments</label>
    <label xlink:label="label_rto_ifrs-fullCashPaymentsForFutureContractsForwardContractsOptionContractsAndSwapContractsClassifiedAsInvestingActivities_Standard" id="rto_ifrs-fullCashPaymentsForFutureContractsForwardContractsOptionContractsAndSwapContractsClassifiedAsInvestingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Cash outflow on settlement of debt-related foreign exchange forward contracts</label>
    <label xlink:label="label_rto_ifrs-fullProceedsFromBorrowingsClassifiedAsFinancingActivities_Standard" id="rto_ifrs-fullProceedsFromBorrowingsClassifiedAsFinancingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Proceeds from new debt</label>
    <label xlink:label="label_rto_ifrs-fullRepaymentsOfBorrowingsClassifiedAsFinancingActivities_Standard" id="rto_ifrs-fullRepaymentsOfBorrowingsClassifiedAsFinancingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Debt repayments</label>
    <label xlink:label="label_rto_ifrs-fullCashFlowsFromUsedInFinancingActivities_Standard" id="rto_ifrs-fullCashFlowsFromUsedInFinancingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Net cash flows from financing activities</label>
    <label xlink:label="label_rto_ifrs-fullIncreaseDecreaseInCashAndCashEquivalents_Standard" id="rto_ifrs-fullIncreaseDecreaseInCashAndCashEquivalents_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Net (decrease)/increase in cash and cash equivalents</label>
    <label xlink:label="label_rto_ifrs-fullCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition_Total" id="rto_ifrs-fullCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition_Total" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en">Cash and cash equivalents at beginning of year</label>
    <label xlink:label="label_rto_ifrs-fullEffectOfExchangeRateChangesOnCashAndCashEquivalents_Standard" id="rto_ifrs-fullEffectOfExchangeRateChangesOnCashAndCashEquivalents_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Exchange losses on cash and cash equivalents</label>
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