Private company

Mitsui Sumitomo Insurance Company

Mitsui Sumitomo Insurance Group Holdings, Inc.1

Last updated Oct 18, 2026.

Overview

2000Founded1
  • Industryinsurance company1
  • HeadquartersTokyo1
  • Websitewww.ms-ins.com
  • Legal formkabushiki gaisha1

See how the biggest companies compare on our leaderboards

Mitsui Sumitomo Insurance Group Holdings, Inc. (三井住友海上グループホールディングス株式会社, Mitsui Sumitomo Kaijō Gurūpu Hōrudingusu Kabushiki-Kaisha) was a Japanese insurance holding company headquartered in Tokyo, Japan.2

Products and brands

Financial services

Sumitomo Mitsui Asset Management Co

Venture Capital Co

Risk-related businesses

InterRisk Research Institute & Consulting

Mitsui Sumitomo Insurance Care Network Co

Read the full text

American Appraisal Japan Co

From Wikipedia’s article on Mitsui Sumitomo Insurance Group, shared under CC BY-SA 4.0.3

Subsidiaries and ownership

Parent company

Subsidiaries

From Wikidata.1

Timeline

  1. 2000Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2
  3. 3