持株会社

  • MS&ADインシュアランス グループ ホールディングス株式会社

国内保険会社

  • 三井住友海上火災保険株式会社
  • あいおいニッセイ同和損害保険株式会社
  • 三井ダイレクト損害保険株式会社
  • 三井住友海上あいおい生命保険株式会社
  • 三井住友海上プライマリー生命保険株式会社
  • au損害保険株式会社

関連事業会社

  • 株式会社インターリスク総研
  • MS&ADローンサービス株式会社
  • あいおいニッセイ同和損害調査株式会社
  • あいおいニッセイ同和インシュアランスサービス株式会社
  • 株式会社あいおいニッセイ同和自動車研究所
  • 株式会社ふれ愛ドゥライフサービス
  • MSKマリンサービス株式会社
  • 三井住友海上ケアネット株式会社
  • MS&ADビジネスサポート株式会社
  • MSK安心ステーション株式会社

海外地域持株会社・海外保険会社・再保険会社等

  • MSIG Holdings (Asia) Pte. Ltd.
  • MSIG Insurance (Singapore) Pte. Ltd.
  • PT. Asuransi MSIG Indonesia
  • PT. Auto Management Services
  • Asia Insurance (Cambodia) Plc.
  • Mitsui Sumitomo Insurance (China) Company Limited
  • MSIG Insurance (Hong Kong) Limited
  • MSIG Insurance (Malaysia) Bhd.
  • MSIG Insurance (Thailand) Public Company Limited
  • MSI Holding (Thailand) Company Limited
  • Calm Sea Service Company Limited
  • MSIG Service and Adjusting (Thailand) Company Limited
  • MSIG Berhad
  • Ueang Mai Co., Ltd.
  • Yardhimar Company Limited
  • MBTS Broking Services Company Limited
  • MBTS Life Insurance Broker Co., Ltd.
  • BPI/MS Insurance Corporation
  • MSIG Insurance (Vietnam) Company Limited
  • Cholamandalam MS General Insurance Company Limited
  • Cholamandalam MS Risk Services Limited
  • MSIG Mingtai Insurance Co., Ltd.
  • MSIG Insurance (Lao) Co., Ltd.
  • National Insurance Company Berhad
  • MSIG Holdings (Europe) Limited
  • Mitsui Sumitomo Insurance Company (Europe), Limited
  • SMA MSI AS
  • MSIG Corporate Services (Europe) Limited
  • Mitsui Sumitomo Insurance (London Management) Ltd
  • MSI Corporate Capital Limited
  • Mitsui Sumitomo Insurance (London) Limited
  • Mitsui Sumitomo Insurance Underwriting at Lloyd's Limited
  • MSI Insurance Management (Ireland) Limited
  • MSIG Insurance Europe AG
  • MSIG German Services GmbH
  • MSIG Holdings (Americas), Inc.
  • Mitsui Sumitomo Marine Management (U.S.A.), Inc.
  • Mitsui Sumitomo Insurance USA Inc.
  • Mitsui Sumitomo Insurance Company of America
  • Aioi Nissay Dowa Insurance Company of America
  • MSI Risk Management Services, Inc.
  • Seven Hills Insurance Agency, LLC
  • Mitsui Sumitomo Seguros S/A.
  • Mitsui Sumitomo Insurance Company Limited-Escritório de Representação no Brasil Ltda.
  • SPAC Insurance (Bermuda) Limited
  • MS Frontier Reinsurance Limited
  • MS Frontier Re Modeling Research Pte Ltd
  • Aioi Nissay Dowa Insurance Company of Europe Limited
  • Toyota Insurance Management Limited
  • Aioi Nissay Dowa Insurance Management Limited
  • Aioi Nissay Dowa Life Insurance of Europe AG
  • DTRIC Insurance Company, Limited
  • DTRIC Insurance Underwriters, Limited
  • Aioi Bangkok Insurance Public Company Limited
  • Bangkok Chayoratn Company, Limited
  • Bangkok Chayolife Company, Limited
  • Aioi Nissay Dowa Management New Zealand Limited
  • Aioi Nissay Dowa Insurance Company Australia Pty Ltd
  • Aioi Nissay Dowa Insurance (China) Company Limited
  • Guangzhou Guang Ai Insurance Brokers Ltd.
  • Kawasaki-Dowa Agency Ltd.
  • Top Class Insurance S.p.A.
  • Top Class Broker S.r.l.
  • LLC Toyota Insurance Management (Insurance Brokers)
  • LLC Toyota Insurance Management (Insurance Agency)
  • Toyota Insurance Management (Insurance Broker) LLP
  • Box Innovation Group Limited
  • Insure The Box Limited
  • ITB Services Limited
  • ITB Web Limited
  • ITB Telematics Solutions LLP
  • ITB Premium Finance Limited
  • MS Financial Reinsurance Limited
  • Interisk Asia Pte Ltd
  • InterRisk Consulting (Shanghai) Co., Ltd
  • InterRisk Asia (Thailand) Company Limited
  • MSI GuaranteedWeather, LLC
  • MSI GuaranteedWeather Trading Ltd.
  • Vortex Insurance Agency, LLC
  • PT. Asuransi Jiwa Sinarmas MSIG
  • Hong Leong Assurance Berhad
  • Hong Leong MSIG Takaful Berhad
  • Max Life Insurance Co. Ltd.
  • Sinatay Life Insurance Co., Ltd.
  • Bangkok Life Assurance PCL
  • Ceylinco Insurance PLC
  • MS Amlin plc
  • MS Amlin Corporate Services Limited
  • Leadenhall Capital Partners LLP
  • Leadenhall Capital Partners US LLC
  • Leadenhall Capital Partners US LP
  • AUA Insolvency Risk Services Limited
  • MS Amlin Underwriting Limited
  • MS Amlin Corporate Member Limited
  • Crowe Livestock Underwriting Limited
  • Lead Yacht Underwriters Limited
  • JR Clare Underwriting Agencies Limited
  • Amlin UK Limited
  • Serviceline (U.K.) Limited
  • MS Amlin Reinsurance Managers, Inc.
  • Haven Knox - Johnston Limited
  • Just Law Limited
  • Summit Insurance Group Limited
  • Amlin Plus Limited
  • St. Margaret's Insurance Services Limited
  • MS Amlin Underwriting Services Limited
  • AUT Holdings Limited
  • Stace Barr Angerstein Limited
  • MS Amlin (Overseas Holdings) Limited
  • MS Amlin Investments Limited
  • Amlin France Legacy Services
  • MS Amlin Asia Pacific Pte. Ltd.
  • MS Amlin Labuan Limited
  • MS Amlin Investment Management Limited
  • MS Amlin (MENA) Limited
  • Toro Prism Public Limited Company
  • Amlin Netherlands Holding B.V.
  • MS Amlin Marine N.V.
  • RaetsMarine UK Limited
  • MS Amlin Marine France Sarl
  • RaetsAsia P&I Services Pte Ltd
  • Amlin Bermuda Holdings, Ltd.
  • MS Amlin AG
  • Allied Cedar Insurance Group Limited
  • Allied Underwriting Agencies Limited
  • Amlin Insurance SE
  • Solo Absolute Bonds and Currency Fund
  • Aioi Nissay Dowa Insurance Services USA Corporation
  • Advanced Connectivity, LLC
  • 三井ダイレクト損害保険株式会社との共同利用につきましては、持株会社による経営管理、および代理店募集人等の共同利用に限定し、グループ各社が取り扱う商品・サービスの案内または提供の目的での共同利用は行いません。