<?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">
  <labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_PurchaseOfCapitalisedMobilisationCostsClassifiedAsInvestingActivities" xlink:label="kiergroupplc_PurchaseOfCapitalisedMobilisationCostsClassifiedAsInvestingActivities" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_ComprehensiveIncomeAttributableToEquityShareholdersArisingFromDiscontinuedOperations" xlink:label="kiergroupplc_ComprehensiveIncomeAttributableToEquityShareholdersArisingFromDiscontinuedOperations" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_AdjustedCashFlowFromOperatingActivities" xlink:label="kiergroupplc_AdjustedCashFlowFromOperatingActivities" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_FairValueLossGainOnCashFlowHedgingInstruments" xlink:label="kiergroupplc_FairValueLossGainOnCashFlowHedgingInstruments" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_AdjustmentsForDepreciationAndImpairmentOfPropertyPlantAndEquipment" xlink:label="kiergroupplc_AdjustmentsForDepreciationAndImpairmentOfPropertyPlantAndEquipment" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_CapitalisedMobilisationCosts" xlink:label="kiergroupplc_CapitalisedMobilisationCosts" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_AdjustmentsForAmortisationAndImpairmentOfIntangibleAssetsAndMobilisationCosts" xlink:label="kiergroupplc_AdjustmentsForAmortisationAndImpairmentOfIntangibleAssetsAndMobilisationCosts" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_GroupAndShareOfJointVentures" xlink:label="kiergroupplc_GroupAndShareOfJointVentures" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_AdjustmentsForDepreciationAndImpairmentOfRightOfUseAssets" xlink:label="kiergroupplc_AdjustmentsForDepreciationAndImpairmentOfRightOfUseAssets" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_LessShareOfJointVentures" xlink:label="kiergroupplc_LessShareOfJointVentures" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_AdjustmentsForDifferenceBetweenPensionFundingContributionsPaidAndThePensionCostCreditCharge" xlink:label="kiergroupplc_AdjustmentsForDifferenceBetweenPensionFundingContributionsPaidAndThePensionCostCreditCharge" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_AdjustmentsForIncreaseInContractAssets" xlink:label="kiergroupplc_AdjustmentsForIncreaseInContractAssets" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_ProfitLossBeforeTaxFromContinuingOperations" xlink:label="kiergroupplc_ProfitLossBeforeTaxFromContinuingOperations" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_AdjustedDilutedEarningsPerShare" xlink:label="kiergroupplc_AdjustedDilutedEarningsPerShare" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_IssueOfSharesToNonControllingInterestClassifiedAsFinancingActivities" xlink:label="kiergroupplc_IssueOfSharesToNonControllingInterestClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_AdjustedEarningsPerShare" xlink:label="kiergroupplc_AdjustedEarningsPerShare" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_AdjustmentsForResearchAndDevelopmentExpenditureCredit" xlink:label="kiergroupplc_AdjustmentsForResearchAndDevelopmentExpenditureCredit" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_ComprehensiveIncomeAttributableToEquityShareholdersArisingFromContinuingOperations" xlink:label="kiergroupplc_ComprehensiveIncomeAttributableToEquityShareholdersArisingFromContinuingOperations" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_AdjustmentsForProfitLossOnDisposalOfPropertyPlantAndEquipmentAndIntangibleAssets" xlink:label="kiergroupplc_AdjustmentsForProfitLossOnDisposalOfPropertyPlantAndEquipmentAndIntangibleAssets" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_AdjustmentsForReversalOfImpairmentOfAssetsHeldForSaleAndIntangibleAssets" xlink:label="kiergroupplc_AdjustmentsForReversalOfImpairmentOfAssetsHeldForSaleAndIntangibleAssets" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_ForeignExchangeTranslationDifferences" xlink:label="kiergroupplc_ForeignExchangeTranslationDifferences" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_AdjustedProfitBeforeTax" xlink:label="kiergroupplc_AdjustedProfitBeforeTax" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_IssueOfSharesNetOfAssociatedTransactionCostsClassifiedAsFinancingActivities" xlink:label="kiergroupplc_IssueOfSharesNetOfAssociatedTransactionCostsClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_AdjustedOperatingProfit" xlink:label="kiergroupplc_AdjustedOperatingProfit" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_ProfitLossBeforeTaxFromDiscontinuedOperations" xlink:label="kiergroupplc_ProfitLossBeforeTaxFromDiscontinuedOperations" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_SettlementOfDerivativeFinancialInstrumentsClassifiedAsFinancingActivities" xlink:label="kiergroupplc_SettlementOfDerivativeFinancialInstrumentsClassifiedAsFinancingActivities" />
    <loc xlink:type="locator" xlink:href="kiergroupplc-2022-06-30.xsd#kiergroupplc_ProceedsFromSaleOfSubsidiariesAndJointVenturesNetOfCashDisposedClassifiedAsInvestingActivities" xlink:label="kiergroupplc_ProceedsFromSaleOfSubsidiariesAndJointVenturesNetOfCashDisposedClassifiedAsInvestingActivities" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_GroupAndShareOfJointVentures" xlink:to="label_kiergroupplc_kiergroupplcGroupAndShareOfJointVentures_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_LessShareOfJointVentures" xlink:to="label_kiergroupplc_kiergroupplcLessShareOfJointVentures_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_AdjustedOperatingProfit" xlink:to="label_kiergroupplc_kiergroupplcAdjustedOperatingProfit_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_AdjustedProfitBeforeTax" xlink:to="label_kiergroupplc_kiergroupplcAdjustedProfitBeforeTax_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_AdjustedEarningsPerShare" xlink:to="label_kiergroupplc_kiergroupplcAdjustedEarningsPerShare_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_AdjustedDilutedEarningsPerShare" xlink:to="label_kiergroupplc_kiergroupplcAdjustedDilutedEarningsPerShare_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_FairValueLossGainOnCashFlowHedgingInstruments" xlink:to="label_kiergroupplc_kiergroupplcFairValueLossGainOnCashFlowHedgingInstruments_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_ForeignExchangeTranslationDifferences" xlink:to="label_kiergroupplc_kiergroupplcForeignExchangeTranslationDifferences_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_ComprehensiveIncomeAttributableToEquityShareholdersArisingFromContinuingOperations" xlink:to="label_kiergroupplc_kiergroupplcComprehensiveIncomeAttributableToEquityShareholdersArisingFromContinuingOperations_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_ComprehensiveIncomeAttributableToEquityShareholdersArisingFromDiscontinuedOperations" xlink:to="label_kiergroupplc_kiergroupplcComprehensiveIncomeAttributableToEquityShareholdersArisingFromDiscontinuedOperations_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_CapitalisedMobilisationCosts" xlink:to="label_kiergroupplc_kiergroupplcCapitalisedMobilisationCosts_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_ProfitLossBeforeTaxFromContinuingOperations" xlink:to="label_kiergroupplc_kiergroupplcProfitLossBeforeTaxFromContinuingOperations_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_ProfitLossBeforeTaxFromDiscontinuedOperations" xlink:to="label_kiergroupplc_kiergroupplcProfitLossBeforeTaxFromDiscontinuedOperations_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_AdjustmentsForDifferenceBetweenPensionFundingContributionsPaidAndThePensionCostCreditCharge" xlink:to="label_kiergroupplc_kiergroupplcAdjustmentsForDifferenceBetweenPensionFundingContributionsPaidAndThePensionCostCreditCharge_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_AdjustmentsForAmortisationAndImpairmentOfIntangibleAssetsAndMobilisationCosts" xlink:to="label_kiergroupplc_kiergroupplcAdjustmentsForAmortisationAndImpairmentOfIntangibleAssetsAndMobilisationCosts_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_AdjustmentsForReversalOfImpairmentOfAssetsHeldForSaleAndIntangibleAssets" xlink:to="label_kiergroupplc_kiergroupplcAdjustmentsForReversalOfImpairmentOfAssetsHeldForSaleAndIntangibleAssets_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_AdjustmentsForResearchAndDevelopmentExpenditureCredit" xlink:to="label_kiergroupplc_kiergroupplcAdjustmentsForResearchAndDevelopmentExpenditureCredit_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_AdjustmentsForDepreciationAndImpairmentOfPropertyPlantAndEquipment" xlink:to="label_kiergroupplc_kiergroupplcAdjustmentsForDepreciationAndImpairmentOfPropertyPlantAndEquipment_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_AdjustmentsForDepreciationAndImpairmentOfRightOfUseAssets" xlink:to="label_kiergroupplc_kiergroupplcAdjustmentsForDepreciationAndImpairmentOfRightOfUseAssets_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_AdjustmentsForProfitLossOnDisposalOfPropertyPlantAndEquipmentAndIntangibleAssets" xlink:to="label_kiergroupplc_kiergroupplcAdjustmentsForProfitLossOnDisposalOfPropertyPlantAndEquipmentAndIntangibleAssets_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_AdjustmentsForIncreaseInContractAssets" xlink:to="label_kiergroupplc_kiergroupplcAdjustmentsForIncreaseInContractAssets_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_ProceedsFromSaleOfSubsidiariesAndJointVenturesNetOfCashDisposedClassifiedAsInvestingActivities" xlink:to="label_kiergroupplc_kiergroupplcProceedsFromSaleOfSubsidiariesAndJointVenturesNetOfCashDisposedClassifiedAsInvestingActivities_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_PurchaseOfCapitalisedMobilisationCostsClassifiedAsInvestingActivities" xlink:to="label_kiergroupplc_kiergroupplcPurchaseOfCapitalisedMobilisationCostsClassifiedAsInvestingActivities_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_IssueOfSharesNetOfAssociatedTransactionCostsClassifiedAsFinancingActivities" xlink:to="label_kiergroupplc_kiergroupplcIssueOfSharesNetOfAssociatedTransactionCostsClassifiedAsFinancingActivities_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_IssueOfSharesToNonControllingInterestClassifiedAsFinancingActivities" xlink:to="label_kiergroupplc_kiergroupplcIssueOfSharesToNonControllingInterestClassifiedAsFinancingActivities_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_SettlementOfDerivativeFinancialInstrumentsClassifiedAsFinancingActivities" xlink:to="label_kiergroupplc_kiergroupplcSettlementOfDerivativeFinancialInstrumentsClassifiedAsFinancingActivities_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <labelArc xlink:type="arc" xlink:from="kiergroupplc_AdjustedCashFlowFromOperatingActivities" xlink:to="label_kiergroupplc_kiergroupplcAdjustedCashFlowFromOperatingActivities_Standard" order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" />
    <label xlink:label="label_kiergroupplc_kiergroupplcGroupAndShareOfJointVentures_Standard" id="kiergroupplc_kiergroupplcGroupAndShareOfJointVentures_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Group and share of joint ventures</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcLessShareOfJointVentures_Standard" id="kiergroupplc_kiergroupplcLessShareOfJointVentures_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Less share of joint ventures</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcAdjustedOperatingProfit_Standard" id="kiergroupplc_kiergroupplcAdjustedOperatingProfit_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Adjusted operating profit</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcAdjustedProfitBeforeTax_Standard" id="kiergroupplc_kiergroupplcAdjustedProfitBeforeTax_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Adjusted profit before tax</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcAdjustedEarningsPerShare_Standard" id="kiergroupplc_kiergroupplcAdjustedEarningsPerShare_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Adjusted earnings per share</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcAdjustedDilutedEarningsPerShare_Standard" id="kiergroupplc_kiergroupplcAdjustedDilutedEarningsPerShare_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Adjusted diluted earnings per share</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcFairValueLossGainOnCashFlowHedgingInstruments_Standard" id="kiergroupplc_kiergroupplcFairValueLossGainOnCashFlowHedgingInstruments_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Fair value (loss)/ gain on cash flow hedging instruments</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcForeignExchangeTranslationDifferences_Standard" id="kiergroupplc_kiergroupplcForeignExchangeTranslationDifferences_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Foreign exchange translation differences</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcComprehensiveIncomeAttributableToEquityShareholdersArisingFromContinuingOperations_Standard" id="kiergroupplc_kiergroupplcComprehensiveIncomeAttributableToEquityShareholdersArisingFromContinuingOperations_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Comprehensive income attributable to equity shareholders arising from continuing operations</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcComprehensiveIncomeAttributableToEquityShareholdersArisingFromDiscontinuedOperations_Standard" id="kiergroupplc_kiergroupplcComprehensiveIncomeAttributableToEquityShareholdersArisingFromDiscontinuedOperations_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Comprehensive income attributable to equity shareholders arising from discontinued operations</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcCapitalisedMobilisationCosts_Standard" id="kiergroupplc_kiergroupplcCapitalisedMobilisationCosts_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Capitalised mobilisation costs</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcProfitLossBeforeTaxFromContinuingOperations_Standard" id="kiergroupplc_kiergroupplcProfitLossBeforeTaxFromContinuingOperations_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Profit/ (loss) before tax from continuing operations</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcProfitLossBeforeTaxFromDiscontinuedOperations_Standard" id="kiergroupplc_kiergroupplcProfitLossBeforeTaxFromDiscontinuedOperations_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Profit/ (loss) before tax from discontinued operations</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcAdjustmentsForDifferenceBetweenPensionFundingContributionsPaidAndThePensionCostCreditCharge_Standard" id="kiergroupplc_kiergroupplcAdjustmentsForDifferenceBetweenPensionFundingContributionsPaidAndThePensionCostCreditCharge_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Adjustments for difference between pension funding contributions paid and the pension cost (credit)/charge</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcAdjustmentsForAmortisationAndImpairmentOfIntangibleAssetsAndMobilisationCosts_Standard" id="kiergroupplc_kiergroupplcAdjustmentsForAmortisationAndImpairmentOfIntangibleAssetsAndMobilisationCosts_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Adjustments for amortisation and impairment of intangible assets and mobilisation costs</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcAdjustmentsForReversalOfImpairmentOfAssetsHeldForSaleAndIntangibleAssets_Standard" id="kiergroupplc_kiergroupplcAdjustmentsForReversalOfImpairmentOfAssetsHeldForSaleAndIntangibleAssets_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Adjustments for reversal of impairment of assets held for sale and intangible assets</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcAdjustmentsForResearchAndDevelopmentExpenditureCredit_Standard" id="kiergroupplc_kiergroupplcAdjustmentsForResearchAndDevelopmentExpenditureCredit_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Adjustments for research and development expenditure credit</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcAdjustmentsForDepreciationAndImpairmentOfPropertyPlantAndEquipment_Standard" id="kiergroupplc_kiergroupplcAdjustmentsForDepreciationAndImpairmentOfPropertyPlantAndEquipment_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Adjustments for depreciation and impairment of property, plant and equipment</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcAdjustmentsForDepreciationAndImpairmentOfRightOfUseAssets_Standard" id="kiergroupplc_kiergroupplcAdjustmentsForDepreciationAndImpairmentOfRightOfUseAssets_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Adjustments for depreciation and impairment of right-of-use assets</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcAdjustmentsForProfitLossOnDisposalOfPropertyPlantAndEquipmentAndIntangibleAssets_Standard" id="kiergroupplc_kiergroupplcAdjustmentsForProfitLossOnDisposalOfPropertyPlantAndEquipmentAndIntangibleAssets_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Adjustments for (profit)/ loss on disposal of property, plant and equipment and intangible assets</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcAdjustmentsForIncreaseInContractAssets_Standard" id="kiergroupplc_kiergroupplcAdjustmentsForIncreaseInContractAssets_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Adjustments for increase in contract assets</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcProceedsFromSaleOfSubsidiariesAndJointVenturesNetOfCashDisposedClassifiedAsInvestingActivities_Standard" id="kiergroupplc_kiergroupplcProceedsFromSaleOfSubsidiariesAndJointVenturesNetOfCashDisposedClassifiedAsInvestingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Proceeds from sale of subsidiaries and joint ventures, net of cash disposed classified as investing activities</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcPurchaseOfCapitalisedMobilisationCostsClassifiedAsInvestingActivities_Standard" id="kiergroupplc_kiergroupplcPurchaseOfCapitalisedMobilisationCostsClassifiedAsInvestingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Purchase of capitalised mobilisation costs classified as investing activities</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcIssueOfSharesNetOfAssociatedTransactionCostsClassifiedAsFinancingActivities_Standard" id="kiergroupplc_kiergroupplcIssueOfSharesNetOfAssociatedTransactionCostsClassifiedAsFinancingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Issue of shares net of associated transaction costs classified as financing activities</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcIssueOfSharesToNonControllingInterestClassifiedAsFinancingActivities_Standard" id="kiergroupplc_kiergroupplcIssueOfSharesToNonControllingInterestClassifiedAsFinancingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Issue of shares to non-controlling interest classified as financing activities</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcSettlementOfDerivativeFinancialInstrumentsClassifiedAsFinancingActivities_Standard" id="kiergroupplc_kiergroupplcSettlementOfDerivativeFinancialInstrumentsClassifiedAsFinancingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Settlement of derivative financial instruments classified as financing activities</label>
    <label xlink:label="label_kiergroupplc_kiergroupplcAdjustedCashFlowFromOperatingActivities_Standard" id="kiergroupplc_kiergroupplcAdjustedCashFlowFromOperatingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Adjusted cash flow from operating activities</label>
  </labelLink>
</linkbase>