<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<!--  
  This file is part of the Dutch Taxonomy (Nederlandse Taxonomie; NT)
  Intellectual Property of the State of the Netherlands
  Architecture: NT20
  Version: 20260121.a
  Release date: October 2025
-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink">
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    <link:label id="abm-dm_AllocatedOrganizationalCostsSoldPropertyUnderDevelopmentMember_label_en" xlink:label="abm-dm_AllocatedOrganizationalCostsSoldPropertyUnderDevelopmentMember_label_en" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Allocated organizational costs sold property under development</link:label>
    <link:label id="abm-dm_CorporateIncomeTaxEffectLossReliefMember_label_en" xlink:label="abm-dm_CorporateIncomeTaxEffectLossReliefMember_label_en" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Corporate income tax effect loss relief</link:label>
    <link:label id="abm-dm_CostsHiringThirdPartiesGBNBMember_label_en" xlink:label="abm-dm_CostsHiringThirdPartiesGBNBMember_label_en" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Costs of hiring third parties included in controllable operating expenses</link:label>
    <link:label id="abm-dm_DepreciationsPPEMember_label_en" xlink:label="abm-dm_DepreciationsPPEMember_label_en" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Depreciations PPE</link:label>
    <link:label id="abm-dm_FunctionalOperatingCostsAllocatedMember_label_en" xlink:label="abm-dm_FunctionalOperatingCostsAllocatedMember_label_en" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Functional operating costs allocated to the controllable net operating expenses categories</link:label>
    <link:label id="abm-dm_LossSettlementMember_label_en" xlink:label="abm-dm_LossSettlementMember_label_en" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Loss Settlement</link:label>
    <link:label id="abm-dm_MutationMaintenanceMember_label_en" xlink:label="abm-dm_MutationMaintenanceMember_label_en" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Mutation maintenance</link:label>
    <link:label id="abm-dm_OtherOperatingExpensesIncludingQualityOfLifeMember_label_en" xlink:label="abm-dm_OtherOperatingExpensesIncludingQualityOfLifeMember_label_en" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Other operating expenses (including quality of life)</link:label>
    <link:label id="abm-dm_PersonnelCostsLivabilityMember_label_en" xlink:label="abm-dm_PersonnelCostsLivabilityMember_label_en" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Personnel costs livability</link:label>
    <link:label id="abm-dm_PersonnelCostsMaintenanceActivitiesCostsMember_label_en" xlink:label="abm-dm_PersonnelCostsMaintenanceActivitiesCostsMember_label_en" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Personnel costs maintenance activities costs</link:label>
    <link:label id="abm-dm_PersonnelCostsOtherActivitiesMember_label_en" xlink:label="abm-dm_PersonnelCostsOtherActivitiesMember_label_en" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Personnel costs other activities</link:label>
    <link:label id="abm-dm_PersonnelCostsOtherOrganizationalCostsMember_label_en" xlink:label="abm-dm_PersonnelCostsOtherOrganizationalCostsMember_label_en" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Personnel costs other organizational costs</link:label>
    <link:label id="abm-dm_PersonnelCostsRentalManagementActMember_label_en" xlink:label="abm-dm_PersonnelCostsRentalManagementActMember_label_en" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Personnel costs rental and management activities</link:label>
    <link:label id="abm-dm_PersonnelCostsServiceContractsChargesMember_label_en" xlink:label="abm-dm_PersonnelCostsServiceContractsChargesMember_label_en" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Personnel costs service contracts charges</link:label>
    <link:label id="abm-dm_PersonnelCostsMember_label_en" xlink:label="abm-dm_PersonnelCostsMember_label_en" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Personnel costs</link:label>
    <link:label id="abm-dm_PlannedMaintenanceMember_label_en" xlink:label="abm-dm_PlannedMaintenanceMember_label_en" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Planned maintenance</link:label>
    <link:label id="abm-dm_RepairMaintenanceMember_label_en" xlink:label="abm-dm_RepairMaintenanceMember_label_en" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Repair maintenance</link:label>
    <link:label id="abm-dm_OtherOperatingExpensesToBeSpecifiedMember_label_en" xlink:label="abm-dm_OtherOperatingExpensesToBeSpecifiedMember_label_en" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">To be specified</link:label>
    <link:label id="abm-dm_CategoricalOperatingCostsMember_label_en" xlink:label="abm-dm_CategoricalOperatingCostsMember_label_en" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Total categorical balance of operating expenses</link:label>
    <link:label id="abm-dm_TotalMaintenanceActivitiesMember_label_en" xlink:label="abm-dm_TotalMaintenanceActivitiesMember_label_en" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Total maintenance activities</link:label>
    <link:label id="abm-dm_TotalValueChangesRealEstatePortfolioMember_label_en" xlink:label="abm-dm_TotalValueChangesRealEstatePortfolioMember_label_en" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Total value changes real estate portfolio</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="abm-dm_LossSettlementMember_loc" xlink:to="abm-dm_LossSettlementMember_label_en" xlink:type="arc"/>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="abm-dm_OtherOperatingExpensesToBeSpecifiedMember_loc" xlink:to="abm-dm_OtherOperatingExpensesToBeSpecifiedMember_label_en" xlink:type="arc"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="abm-dm_PersonnelCostsLivabilityMember_loc" xlink:to="abm-dm_PersonnelCostsLivabilityMember_label_en" xlink:type="arc"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="abm-dm_PersonnelCostsMaintenanceActivitiesCostsMember_loc" xlink:to="abm-dm_PersonnelCostsMaintenanceActivitiesCostsMember_label_en" xlink:type="arc"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="abm-dm_PersonnelCostsMember_loc" xlink:to="abm-dm_PersonnelCostsMember_label_en" xlink:type="arc"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="abm-dm_PersonnelCostsOtherActivitiesMember_loc" xlink:to="abm-dm_PersonnelCostsOtherActivitiesMember_label_en" xlink:type="arc"/>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="abm-dm_PersonnelCostsServiceContractsChargesMember_loc" xlink:to="abm-dm_PersonnelCostsServiceContractsChargesMember_label_en" xlink:type="arc"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="abm-dm_PlannedMaintenanceMember_loc" xlink:to="abm-dm_PlannedMaintenanceMember_label_en" xlink:type="arc"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="abm-dm_RepairMaintenanceMember_loc" xlink:to="abm-dm_RepairMaintenanceMember_label_en" xlink:type="arc"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="abm-dm_TotalMaintenanceActivitiesMember_loc" xlink:to="abm-dm_TotalMaintenanceActivitiesMember_label_en" xlink:type="arc"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="abm-dm_TotalValueChangesRealEstatePortfolioMember_loc" xlink:to="abm-dm_TotalValueChangesRealEstatePortfolioMember_label_en" xlink:type="arc"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_AccruedOrganizationalCostsForSaleOfRealEstatePortfolioMember" xlink:label="abm-dm_AccruedOrganizationalCostsForSaleOfRealEstatePortfolioMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_AllocatedOrganizationalCostsSoldPropertyUnderDevelopmentMember" xlink:label="abm-dm_AllocatedOrganizationalCostsSoldPropertyUnderDevelopmentMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_CategoricalOperatingCostsMember" xlink:label="abm-dm_CategoricalOperatingCostsMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_CorporateIncomeTaxEffectLossReliefMember" xlink:label="abm-dm_CorporateIncomeTaxEffectLossReliefMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_CostsHiringThirdPartiesGBNBMember" xlink:label="abm-dm_CostsHiringThirdPartiesGBNBMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_DepreciationsPPEMember" xlink:label="abm-dm_DepreciationsPPEMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_FunctionalOperatingCostsAllocatedMember" xlink:label="abm-dm_FunctionalOperatingCostsAllocatedMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_LossSettlementMember" xlink:label="abm-dm_LossSettlementMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_MutationMaintenanceMember" xlink:label="abm-dm_MutationMaintenanceMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_OtherOperatingExpensesIncludingQualityOfLifeMember" xlink:label="abm-dm_OtherOperatingExpensesIncludingQualityOfLifeMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_OtherOperatingExpensesToBeSpecifiedMember" xlink:label="abm-dm_OtherOperatingExpensesToBeSpecifiedMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_PersonnelCostsLivabilityMember" xlink:label="abm-dm_PersonnelCostsLivabilityMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_PersonnelCostsMaintenanceActivitiesCostsMember" xlink:label="abm-dm_PersonnelCostsMaintenanceActivitiesCostsMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_PersonnelCostsMember" xlink:label="abm-dm_PersonnelCostsMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_PersonnelCostsOtherActivitiesMember" xlink:label="abm-dm_PersonnelCostsOtherActivitiesMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_PersonnelCostsOtherOrganizationalCostsMember" xlink:label="abm-dm_PersonnelCostsOtherOrganizationalCostsMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_PersonnelCostsRentalManagementActMember" xlink:label="abm-dm_PersonnelCostsRentalManagementActMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_PersonnelCostsServiceContractsChargesMember" xlink:label="abm-dm_PersonnelCostsServiceContractsChargesMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_PlannedMaintenanceMember" xlink:label="abm-dm_PlannedMaintenanceMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_RepairMaintenanceMember" xlink:label="abm-dm_RepairMaintenanceMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_TotalMaintenanceActivitiesMember" xlink:label="abm-dm_TotalMaintenanceActivitiesMember_loc" xlink:type="locator"/>
    <link:loc xlink:href="abm-domains.xsd#abm-dm_TotalValueChangesRealEstatePortfolioMember" xlink:label="abm-dm_TotalValueChangesRealEstatePortfolioMember_loc" xlink:type="locator"/>
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