EX-21.1

Exhibit 21.1

The following were the subsidiaries of the Company as of December 31, 2025. Certain subsidiaries are not listed as these omitted subsidiaries individually and in the aggregate do not constitute a significant subsidiary.


Company Name		Country of Incorporation / Organization
Asifina S.A.		Argentina
WFD Consultores S.A.		Argentina
Willis Towers Watson Argentina S.A.		Argentina
Willis Towers Watson Consultores S.A.		Argentina
Willis Towers Watson Corredores de Reaseguros S.A.		Argentina
Aerosure Asia Pacific Pty Ltd		Australia
Cortex Global Risk Australia Pty Limited		Australia
Cortex Global Risk Pty Limited		Australia
Richard Oliver Underwriting Managers Pty Ltd		Australia
Risk Capital Advisors Australia Pty Limited		Australia
Risk Capital Advisors Pty Limited		Australia
Towers Watson Australia Pty Ltd		Australia
Towers Watson Superannuation Pty Ltd		Australia
Trinity Processing Services (Australia) Pty Ltd		Australia
Willis Australia Group Services Pty Ltd		Australia
Willis Australia Limited		Australia
Willis Towers Watson Australia Holdings Limited		Australia
Willis Towers Watson Austria GmbH		Austria
Willis Towers Watson Consulting		Belgium
Willis Towers Watson SA/NV		Belgium
MERIDIAN INSURANCE COMPANY LIMITED		Bermuda
Towers Watson (Bermuda) Ltd.		Bermuda
Willis (Bermuda) Limited		Bermuda
Willis Investment Holding (Bermuda) Limited		Bermuda
Willis Re (Bermuda) Limited		Bermuda
Willis Towers Watson Caribbean Treasury Center (Bermuda) Ltd.		Bermuda
Willis Towers Watson Finance (Bermuda) Ltd.		Bermuda
Willis Towers Watson Finance (Bermuda) 2 Ltd.		Bermuda
Willis Towers Watson Management (Bermuda) Limited		Bermuda
WTW Treasury (Bermuda) Ltd.		Bermuda
WTW Treasury (Bermuda) 2 Ltd.		Bermuda
Sertec Servicos Tecnicos de Inspecao, Levantamentos e Avaliacoes Ltda.		Brazil
Towers Watson Consultoria Ltda.		Brazil
WFB Partipacoes Ltda.		Brazil
Willis Affinity Corretores de Seguros Ltda.		Brazil
Willis Corretora de Resseguros Ltda.		Brazil
Willis Corretores de Seguros Ltda.		Brazil
York Vale Corretora e Administradora de Seguros Limitada		Brazil
Gras Savoye (Cambodia) Insurance Broker Plc		Cambodia
Willis Towers Watson Cameroun SA		Cameroon
Towers Watson Canada Inc.		Canada
Willis Canada Inc.		Canada
WTW Investment Management Canada Limited		Canada
Willis Towers Watson Management (Cayman) Limited		Cayman Islands
Willis Towers Watson Consultores S.A.		Chile
Willis Towers Watson Corredores de Reaseguros Limitada		Chile
Willis Towers Watson S.A. Corredores de Seguros		Chile
Towers Watson Consulting (Shanghai) Limited		China
Towers Watson Management Consulting (Shenzhen) Co., Ltd.		China
Willis (Shanghai) Business Consulting Co., Ltd.		China


Willis Insurance Brokers Co. Ltd.		China
Willis Towers Watson Colombia Corredores de Reaseguros S.A.		Colombia
Willis Towers Watson Colombia Corredores de Seguros S.A.		Colombia
Willis Towers Watson Consultores Colombia S.A.S.		Colombia
Willis Towers Watson Congo SA		Congo
WTW Corredores de Seguros Costa Rica S.A.		Costa Rica
Willis Towers Watson Cote d’Ivoire SA		Cote d’Ivoire
Willis Towers Watson d.o.o.		Croatia
Willis Towers Watson Insurance Broking (Czech Republic) s.r.o.		Czech Republic
Willis Towers Watson s.r.o.		Czech Republic
WIA I/S		Denmark
Willis Towers Watson A/S		Denmark
Willis Towers Watson Consultancy Services I/S		Denmark
Willis Towers Watson I/S		Denmark
WTW ApS		Denmark
Willis Towers Watson Egypt SAE		Egypt
Willis Towers Watson Re Egypt SAE		Egypt
Willis Towers Watson Risk Solutions Egypt SAE		Egypt
WTW Corredores de Seguros El Salvador, S.A. de C.V.		El Salvador
Willis Towers Watson Oy Ab		Finland
Willis/GS France		France
Willis Towers Watson France		France
Willis Towers Watson SAS		France
WTW Underwriting Solutions France		France
Willis Towers Watson Tahiti		French Polynesia
Gras Savoye Gabon SA		Gabon
Willis Re GmbH		Germany
Willis Towers Watson GmbH		Germany
Willis Towers Watson Holding GmbH		Germany
Willis Towers Watson Investments GmbH		Germany
Willis Towers Watson Versicherungsmakler GmbH		Germany
Willis Towers Watson Versicherungsservice GmbH		Germany
Willis Towers Watson Vorsorge Trust GmbH		Germany
WTW Falcon GmbH		Germany
WTW Germany A GmbH		Germany
WTW Germany Financing Company GmbH		Germany
WTW Germany Operations Holding GmbH		Germany
WTW Grimme GmbH		Germany
WTW Pensionsfonds AG		Germany
WV Versicherungsmakler GmbH		Germany
Zeitinvest-Service GmbH		Germany
Willis Towers Watson Ghana Ltd		Ghana
Willis Towers Watson Management (Gibraltar) Limited		Gibraltar
Willis Towers Watson Greece Insurance Agents and Insurance Agents’ Coordinators Single Member Societe Anonyme		Greece
Willis Towers Watson Greece Insurance Brokers S.A.		Greece
Promotores Unity - Corredores de Seguros, Sociedad Anonima		Guatemala
Lime Street Insurance Guernsey PCC Limited		Guernsey
Willis Towers Watson Guernsey ICC Limited		Guernsey
Willis Towers Watson Management (Guernsey) Limited		Guernsey
WTW Treasury (Guernsey) 2 Limited		Guernsey
WTW Corredores de Seguros Honduras		Honduras
Towers Watson Hong Kong Limited		Hong Kong
Towers Watson Investment Services Hong Kong Limited		Hong Kong
Willis Hong Kong Limited		Hong Kong
Willis Management (HK) Pty Limited		Hong Kong


Willis Towers Watson Magyarorszag Biztositasi Alkusz es Tanacsado Kft		Hungary
Acclaris Business Solutions Private Limited		India
Ternary Risk Consultancy and Management Private Limited		India
Willis Towers Watson India Insurance Brokers Private Limited		India
Willis Towers Watson India Private Limited		India
WTW Global Delivery and Solutions India Private Limited		India
PT Towers Watson Indonesia		Indonesia
PT Willis Reinsurance Brokers Indonesia		Indonesia
PT Willis Towers Watson Insurance Broker Indonesia		Indonesia
LifeSight Ireland Trustees DAC		Ireland
Towers Watson Investment Management (Ireland) Limited		Ireland
Trustee Principles Limited		Ireland
Willis GS Ireland Unlimited Company		Ireland
Willis Human Capital & Benefits Ireland Limited		Ireland
Willis Towers Watson (Ireland) Limited		Ireland
Willis Towers Watson Holdings (Ireland) Limited		Ireland
Willis Towers Watson Insurances (Ireland) Limited		Ireland
Willis Towers Watson Life and Pensions Limited		Ireland
Willis Towers Watson Management (Dublin) Limited		Ireland
Willis Towers Watson Sub Holdings Unlimited Company		Ireland
Willis Towers Watson Trade Credit and Surety Limited		Ireland
Willis Towers Watson Administration (Isle of Man) Limited		Isle of Man
Willis Towers Watson Management (Isle of Man) Limited		Isle of Man
Willis Towers Watson Israel Insurance Brokers Ltd		Israel
Willis Towers Watson Israel OMC Limited		Israel
AIMUW S.p.A.		Italy
Towers Watson Italia Srl		Italy
Willconsulting Srl		Italy
Willis Italia S.p.A		Italy
Towers Watson Investment Services K.K.		Japan
Towers Watson KK		Japan
WTW Broker Japan Co., Ltd.		Japan
WTW Japan Co., Ltd.		Japan
WTW Japan Holdings Co., Ltd.		Japan
WTW (Jersey) Limited		Jersey
Willis Towers Watson Insurance Broker (Kazakhstan) Limited Liability Partnership		Kazakhstan
Willis Towers Watson Consulting Korea Limited		Korea, Republic of
Willis Towers Watson Insurance Korea Limited		Korea, Republic of
Willis Towers Watson Luxembourg S.A.		Luxembourg
Willis Towers Watson Management (Luxembourg)		Luxembourg
Towers Watson (Malaysia) Sdn Bhd		Malaysia
Willis Risk Management (Malaysia) Sdn. Bhd.		Malaysia
Willis Towers Watson Management (Labuan) Limited		Malaysia
Lime Street Insurance PCC Limited		Malta
Willis Towers Watson Management (Malta) Limited		Malta
Willis Towers Watson Services (Malta) Limited		Malta
Willis Towers Watson (Mauritius) Ltd		Mauritius
Carsa Consultores, Agente de Seguros y de Fianzas, S.A. de C.V.		Mexico
Willis Mexico, Intermediario de Reaseguro, S.A. de C.V.		Mexico
Willis Towers Watson Consultores Mexico, S. de R.L. de C.V.		Mexico
Willis Towers Watson Servicios S. DE R.L. DE C.V.		Mexico
Willis, Agente de Seguros y de Fianzas, S.A. de C.V.		Mexico
Towers Watson Netherlands B.V.		Netherlands
Willis B.V.		Netherlands
Willis Europe B.V.		Netherlands


Willis Nederland B.V.		Netherlands
WTW Global Treasury Company B.V.		Netherlands
Willis Towers Watson Nouvelle-Calédonie		New Caledonia
Willis New Zealand Limited		New Zealand
Invercasa Correduria De Seguros, S.A.		Nicaragua
Willis Towers Watson Nigeria Limited		Nigeria
Willis Forsikringspartner AS		Norway
Willis Towers Watson AS		Norway
Unity Willis Towers Watson Panama Services, S.A.		Panama
WTW Administrador de Corredores de Seguros de Panama S.A.		Panama
WTW Corredores de Seguros Panama, S.A.		Panama
Willis Corredores de Reaseguros S.A.		Peru
Willis Corredores de Seguros S.A.		Peru
WTW Perú Consultores y Comercializadores S.A.C.		Peru
Willis Towers Watson Philippines, Inc.		Philippines
WTW Insurance and Reinsurance Brokers Philippines, Inc.		Philippines
WTW Manila Global Delivery Center Ltd. Company		Philippines
Willis Towers Watson Polska Sp. z o.o.		Poland
WTW Consulting Sp. z o.o.		Poland
WTW Services Sp. z o.o.		Poland
Towers Watson (Portugal) Unipessoal, Limitada		Portugal
Willis - Corretores de Seguros, S.A.		Portugal
Willis Towers Watson NSA Portugal SA		Portugal
Willis Towers Watson Puerto Rico Insurance Brokerage Inc.		Puerto Rico
WTW QFC LLC		Qatar
Willis Towers Watson Consulting Romania Srl		Romania
Willis Towers Watson Romania-Broker de asigurare-reasigurare S.R.L.		Romania
Towers Watson Saudi Arabia LLC		Saudi Arabia
Willis International Regional Headquarters LLC		Saudi Arabia
WTW Insurance Brokerage Company LLC		Saudi Arabia
WTW Reinsurance Brokerage Company LLC		Saudi Arabia
Willis Towers Watson Consulting Senegal SA		Senegal
Willis Towers Watson Senegal SA		Senegal
Drustvo za posredovanje u osiguranju WILLIS TOWERS WATSON DOO BEOGRAD		Serbia
Willis Towers Watson Brokers (Singapore) Pte. Ltd.		Singapore
Willis Towers Watson Consulting (Singapore) Pte. Ltd.		Singapore
Willis Towers Watson Health & Benefits (SG) Pte. Ltd.		Singapore
Willis Towers Watson Management (Singapore) Pte. Limited		Singapore
Actuary Online (Pty) Ltd		South Africa
Mutual Risk Advisory Services (Pty) Ltd		South Africa
Retirement Online (Pty) Limited		South Africa
Risk Capital Advisors Africa (Pty) Ltd		South Africa
Towers Watson (Pty) Ltd		South Africa
Towers Watson South Africa Holdings (Pty) Limited		South Africa
Willis South Africa (Pty) Limited		South Africa
CHANCE UNDERWRITING, S.L.		Spain
Towers Watson de Espana SA		Spain
Willis Affinity Agencia de Seguros Vinculada, S.L.		Spain
Willis Consulting S.L.		Spain
Willis Iberia Correduria de Seguros y Reaseguros SAU		Spain
Willis Towers Watson Services, S.L.		Spain
Willis Towers Watson Consulting AB		Sweden
Willis Towers Watson Holding AB		Sweden
Willis Towers Watson Sweden AB		Sweden
Willis Towers Watson Holdings (Switzerland) GmbH		Switzerland


WTW AG		Switzerland
Willis Towers Watson Taiwan Limited		Taiwan
Towers Watson (Thailand) Limited		Thailand
Willis Towers Watson Danismanlik Limited Şirketi		Turkey
Willis Towers Watson Sigorta ve Reasürans Brokerliği Anonim Şirketi		Turkey
Willis Towers Watson Uganda Insurance Brokers Limited		Uganda
Gras Savoye Ukraine, Limited Liability Company		Ukraine
Willis Insurance Brokers LLC		Ukraine
Towers Watson Middle East FZ-LLC		United Arab Emirates
Acclimatise Group Ltd (In Liquidation)		United Kingdom
Sovereign Marine & General Insurance Company Limited (In Liquidation)		United Kingdom
Special Contingency Risks Limited (In Liquidation)		United Kingdom
TA I Limited		United Kingdom
The Wyatt Company Holdings Limited (in Liquidation)		United Kingdom
Towers Perrin (UK) Trustee Company Limited		United Kingdom
Towers Watson Global 2 Limited		United Kingdom
Towers Watson Global 3 Limited		United Kingdom
Towers Watson Global Holdings Limited		United Kingdom
Towers Watson Investment Management Limited		United Kingdom
Towers Watson Limited		United Kingdom
Towers Watson Pension Scheme Trustees Limited		United Kingdom
Towers Watson Software Limited		United Kingdom
Towers Watson UK Limited (In Liquidation)		United Kingdom
Trinity Acquisition Plc		United Kingdom
Trinity Processing Services Limited		United Kingdom
TXW Limited		United Kingdom
Watson Wyatt (UK) Acquisitions 1 Limited		United Kingdom
Watson Wyatt (UK) Acquisitions 2 Limited		United Kingdom
Watson Wyatt European Investment Holdings Limited (In Liquidation)		United Kingdom
Watson Wyatt Holdings (Europe) Limited (In Liquidation)		United Kingdom
Watson Wyatt Holdings Limited (In Liquidation)		United Kingdom
Watson Wyatt Insurance & Financial Services Consulting Holdings Limited (In Liquidation)		United Kingdom
Watson Wyatt International Limited (In Liquidation)		United Kingdom
Willis Corroon Financial Planning Limited		United Kingdom
Willis Corroon Licensing Limited		United Kingdom
Willis Corroon Nominees Limited		United Kingdom
Willis Faber Limited		United Kingdom
Willis Group Limited		United Kingdom
Willis Group Medical Trust Limited		United Kingdom
Willis Group Services Limited		United Kingdom
WILLIS GS UK HOLDINGS LIMITED		United Kingdom
WILLIS GS UK LIMITED		United Kingdom
Willis International Limited		United Kingdom
Willis Investment UK Holdings Limited		United Kingdom
Willis Limited		United Kingdom
Willis Overseas Investments Limited (In Liquidation)		United Kingdom
Willis Pension Trustees Limited		United Kingdom
Willis Re (UK) Limited		United Kingdom
Willis Towers Watson Assessment Limited		United Kingdom
WILLIS TOWERS WATSON FRANCE HOLDINGS LIMITED		United Kingdom
WILLIS TOWERS WATSON UK HOLDINGS 2 LIMITED		United Kingdom
WILLIS TOWERS WATSON UK HOLDINGS LIMITED		United Kingdom
WILLIS TOWERS WATSON UK HOLOCENE LIMITED		United Kingdom
WTW LUZON HOLDINGS LIMITED		United Kingdom
WTW Sabah Apex Holdings Limited		United Kingdom


Acclaris Holdings, Inc.		United States – Delaware
Acclaris, Inc.		United States – Delaware
Encore Insurance PCC, Limited		United States – Vermont
Extend Health, LLC		United States – Delaware
Extend Insurance Services LLC		United States – Utah
Liazon Corporation		United States – Delaware
Napa Merger Sub Inc.		United States – Delaware
Neuron DTS US, LLC		United States – Virginia
Premium Funding Associates, Inc.		United States – Connecticut
Professional Consultants Insurance Company, Inc.		United States – Vermont
Safe Rock Insurance Company		United States – Vermont
Special Contingency Risks Inc.		United States – Delaware
Towers Perrin Capital Corp.		United States – Delaware
Towers Watson Delaware Holdings LLC		United States – Delaware
Towers Watson Investment Services, Inc.		United States – Delaware
Towers Watson Latin America Holdings LLC		United States – Delaware
Towers Watson Middle East Holdings LLC		United States – Delaware
Towers Watson Retiree Insurance Services, Inc.		United States – Delaware
Watson Wyatt International, Inc.		United States – Nevada
Willis Administrative Services Corporation		United States – Tennessee
Willis Americas Administration, Inc.		United States – Tennessee
Willis HRH, Inc.		United States – Virginia
Willis North America Inc.		United States – Delaware
Willis Personal Lines, LLC		United States – Delaware
Willis Processing Services, Inc.		United States – New York
Willis Programs of Connecticut, Inc.		United States – Connecticut
Willis Re Inc.		United States – Delaware
Willis Towers Watson Analytical Insurance Services Inc.		United States – Delaware
Willis Towers Watson CAC, Inc.		United States – Florida
Willis Towers Watson Insurance Services West, Inc.		United States – California
Willis Towers Watson Management (Vermont), Ltd.		United States – Vermont
Willis Towers Watson Midwest, Inc.		United States – Ohio
Willis Towers Watson Northeast, Inc.		United States – New York
Willis Towers Watson Risk Purchasing Group, Inc.		United States – Vermont
Willis Towers Watson Securities, LLC		United States – Delaware
Willis Towers Watson Southeast, Inc.		United States – Tennessee
Willis Towers Watson Special Risk, LLC		United States – Delaware
Willis Towers Watson US LLC		United States – Delaware
Willis US Holding Company, LLC		United States – Delaware
WTW Delaware Holdings LLC		United States – Delaware
WTW Global Equity Focus Fund, LLC		United States – Delaware
WTW HOLDINGS GG, LLC		United States – Delaware
WTW Philippines Holdings LLC		United States – Delaware
WTW Service Center Holdings LLC		United States – Delaware
Willis Towers Watson Uruguay S.A.		Uruguay
Administradora de Riesgos Parsalud, S.A.		Venezuela, Bolivarian Republic of
Rontarca Willis, C.A. Sociedad de corretaje de seguros		Venezuela, Bolivarian Republic of
Willis Corretaje de Reaseguros S.A.		Venezuela, Bolivarian Republic of
Willis Towers Watson Consultores C.A.		Venezuela, Bolivarian Republic of
Willis Towers Watson Vietnam Insurance Broker		Vietnam
Unity Group Holdings, Corp.		Virgin Islands, British