A seguir está uma lista das subsidiárias majoritárias e consolidadas da Arthur J. Gallagher & Co. até 31 de dezembro de 2024:
2950 Land Company Manager, LLC (EUA)
2950 Land Company, LLC (EUA)
A.C.N. 003 030 180 Pty Ltd (Austrália)
A.C.N. 061 063 303 Pty Ltd (Austrália)
A.C.N. 082 459 372 Pty Ltd (Austrália)
ACE Gallagher Arabia Insurance Brokers Limited (Arábia Saudita)
ACE Gallagher Arabia Insurance Consultants Limited (Arábia Saudita)
ACE Gallagher Holding W.L.L. (Bahrein)
ACE Re Gallagher Arabia Reinsurance Brokers Limited (Arábia Saudita)
Acorn Bidco Limited (Guernsey)
Acorn Midco 1 Limited (Guernsey)
Acorn Midco 2 Limited (Guernsey)
Acorn Topco Limited (Guernsey)
Adams & Porter Sociedade De Corretagem De Seguros Ltda. (Brasil)
AJG (EMEA) LIMITED (Reino Unido)
AJG Acquisition Finance Limited (Reino Unido)
AJG Cash Holdings Limited (Reino Unido)
AJG Financial Services, LLC (EUA)
AJG Holding (Chile) Spa (Chile)
AJG Meadows, LLC (EUA)
AJG North America ULC (Canadá)
AJGRMS Of Louisiana, LLC (EUA)
Alesco Risk Management Services Limited (Reino Unido)
Alize Ltd. (Bermudas)
Allied Claims Administration, Inc. (EUA)
Allied Risk Holdings Limited (Irlanda)
Allied Risk Insurance and Reinsurance Services Limited (Irlanda)
American Freedom Carriers, Inc. (EUA)
Another Day Investigations Limited (Reino Unido)
Another Day Limited (Reino Unido)
Arab Commercial Enterprises Limited (Arábia Saudita)
Argentis Financial Group Limited (Reino Unido)
Argentis Financial Management Limited (Reino Unido)
Artex Advisory & Analytics Ltd. (Bermudas)
Artex Axcell (Guernsey) PCC Limited (Guernsey)
Artex Axcell PCC (Vermont), Inc. (EUA)
Artex Axcell PIC Ltd. (Bermudas)
Artex Axcell Re (Bermuda) Ltd. (Bermudas)
Artex Axcell SEG Ltd. (Bermudas)
Artex Corporate Services (Bermuda) Ltd. (Bermudas)
Artex Corporate Services (Cayman) Ltd. (Ilhas Cayman)
Artex Corporate Services (Gibraltar) Limited (Gibraltar)
Artex Corporate Services (Malta) Limited (Malta)
Artex Fund Services Ltd. (Bermudas)
Artex Fund Services USA, Inc. (EUA)
Artex Holdings (Malta) Limited (Malta)
Artex ILS Services UK Ltd (Reino Unido)
Artex Insurance (Cayman) SPC Limited (Ilhas Cayman)
Artex Insurance (Tennessee) PCCIC, Inc. (EUA)
Artex Insurance Brokers (Europe) PCC Limited (Malta)
Artex Insurance ICC Limited (Guernsey)
Artex Insurance Management (Bermuda) Ltd. (Bermudas)
Artex Insurance Management (Cayman) Ltd. (Ilhas Cayman)
Artex Insurance Management (Ireland) Limited (Irlanda)
Artex Intermediaries Ltd. (Bermudas)
Artex Risk Solutions (Bermuda) Ltd. (Bermudas)
Artex Risk Solutions (Cayman) Limited (Ilhas Cayman)
Artex Risk Solutions (Gibraltar) Limited (Gibraltar)
Artex Risk Solutions (Guernsey) Limited (Guernsey)
Artex Risk Solutions (International) Limited (Guernsey)
Artex Risk Solutions (Ireland) Limited (Irlanda)
Artex Risk Solutions (Malta) Limited (Malta)
Artex Risk Solutions (Singapore) Pte. Ltd. (Singapura)
Artex Risk Solutions (UK) Ltd (Reino Unido)
Artex Risk Solutions Limited (Emirados Árabes Unidos)
Artex Risk Solutions, Inc. (EUA)
Artex Risk Solutions, Inc. (Anguila)
Artex Services (Private) Limited (Sri Lanka)
Arthur J Gallagher (Norway) Holdings AS (Noruega)
Arthur J Gallagher Brim AB (Suécia)
Arthur J Gallagher Nordic AB (Suécia)
Arthur J Gallagher Panamá Corredores de Reaseguros SA (Panamá)
Arthur J Gallagher Proinova AB (Suécia)
Arthur J Gallagher Proinova Agency AB (Suécia)
Arthur J. Gallagher & Co (AUS) Limited (Austrália)
Arthur J. Gallagher & Co (NZ) Limited (Nova Zelândia)
Arthur J. Gallagher & Co. (Bermuda) Limited (Bermudas)
Arthur J. Gallagher (Bermuda) Holding Partnership (Bermudas)
Arthur J. Gallagher (Illinois), LLC (EUA)
Arthur J. Gallagher (Liechtenstein) AG (Liechtenstein)
Arthur J. Gallagher (Life Solutions) Pty Ltd (Austrália)
Arthur J. Gallagher (Schweiz) AG (Suíça)
Arthur J. Gallagher (Singapore) Pte. Ltd. (Singapura)
Arthur J. Gallagher (UK) Limited (Reino Unido)
Arthur J. Gallagher Asesoria S.A.C. (Peru)
Arthur J. Gallagher Australasia Holdings Pty Ltd (Austrália)
Arthur J. Gallagher Broking (NZ) Limited (Nova Zelândia)
Arthur J. Gallagher Canada Limited (Canadá)
Arthur J. Gallagher Chile Corredores de Reaseguros S.A. (AJG Chile Re) (Chile)
Arthur J. Gallagher Corredores de Seguros S.A. (AJG Chile Retail) (Chile)
Arthur J. Gallagher Corredores de Seguros S.A. (Colômbia)
Arthur J. Gallagher Financial Services Professionals Risk Purchasing Group, LLC (EUA)
Arthur J. Gallagher Holdings (Ireland) Limited (Irlanda)
Arthur J. Gallagher Holdings (UK) Limited (Reino Unido)
Arthur J. Gallagher Insurance Brokers (Ireland) Limited (Irlanda)
Arthur J. Gallagher Insurance Brokers Limited (Reino Unido)
Arthur J. Gallagher Latin America, LLC (EUA)
Arthur J. Gallagher Peru Corredores de Reaseguros S.A. (Peru)
Arthur J. Gallagher Peru Corredores de Seguros S.A. (Peru)
Arthur J. Gallagher Re Colombia Ltda. Corredores de Reaseguros SA (Colômbia)
Arthur J. Gallagher Real Estate Risk Purchasing Group, LLC (EUA)
Arthur J. Gallagher Risk Management Services, LLC (EUA)
Arthur J. Gallagher Service Company, LLC (EUA)
Arthur J. Gallagher Services (UK) Limited (Reino Unido)
Ashgrove Insurance Services Limited (Reino Unido)
At Squared Holdings Limited (Reino Unido)
Aurenda Pty Ltd (Austrália)
Aurenda Training Services Pty Ltd (Austrália)
Avantek Pty Ltd (Austrália)
Axe Insurance PCC Limited (Guernsey)
Barnes Commercial Limited (Reino Unido)
Bartlett Actuarial, LLC (EUA)
BCHR UK Holdings Ltd (Reino Unido)
BCHR US Acquisitions, Inc. (EUA)
BCHR US Holdings, Inc. (EUA)
Beacon Financial Acquisition Corporation (EUA)
Bellisle Pty. Ltd. (Austrália)
Benefit Technology Resources, LLC (EUA)
Blueleaf Consulting Pty Limited (Austrália)
Bluewater Incorporated Cell Insurance Company (EUA)
BMM (P&T) Ltd (Reino Unido)
Bollinger Insurance Services, Inc. (EUA)
Bollinger, Inc. (EUA)
Bollington Insurance Brokers Limited (Reino Unido)
Bollington Underwriting Limited (Reino Unido)
Bollington Wilson Group Limited (Reino Unido)
Bollington Wilson Limited (Reino Unido)
Bonus Drive Canada Limited (Canadá)
Brunswick Financial Group Ltd. (Canadá)
Buck Canada HR Services Limited/Services RH Buck Canada Limitee (Canadá)
Buck Capability Centre Private Limited (Índia)
Buck Global, LLC (EUA)
Buck HR Securities LLC (EUA)
BVIP (RIH Blocker) Fund IX, Inc. (EUA)
Caburn Hope Limited (Reino Unido)
Cadence Insurance, Inc. (EUA)
Camco One Ltd (Reino Unido)
Capsicum Reinsurance Brokers LLP (Reino Unido)
Casanueva Perez II, S.A.P.I. de C.V. (México)
Casanueva Perez S.A.P.I. DE CV (México)
CGM Gallagher Insurance Brokers (Trinidad & Tobago) Limited (Trinidad e Tobago)
Charity First Insurance Services, Inc. (EUA)
Churchills International Consulting Limited (Reino Unido)
Cintran Claims Canada Limited (Canadá)
CKH Limited (Reino Unido)
CLA (Risk Solutions) Limited (Reino Unido)
Claims Settlement Agencies Ltd (Reino Unido)
Clements Belgium SPRL (Bélgica)
Clements Europe Limited (Reino Unido)
Clements Insurance Services Limited (Irlanda)
College and University Scholastic Excess Risk