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) is a Japanese insurance holding company headquartered in Tokyo, Japan.
MSIG was formed in 2001 from the merger of Mitsui Marine & Fire Insurance Co. (itself descended from the Taishō Marine and Fire Insurance Co. founded in 1918) and The Sumitomo Marine & Fire Insurance. In 2010, April Aioi Insurance Co., Ltd., Nissay Dowa General Insurance Co., Ltd., merged into MSIG, making the group's name changed in to MS&AD Insurance Group Holdings, Inc.. According to this business integration, MS&AD has become the largest property insurance company in Japan, with market share of 33% in 2013.
On 8 September 2015, it was announced that Mitsui Sumitomo had agreed to buy the UK insurance firm Amlin for £3.5bn.
Group companies
Non-life insurance
- Mitsui Sumitomo Insurance Co
Life insurance
- Mitsui Sumitomo Kirameki Life Insurance Co
- Mitsui Sumitomo MetLife insurance Co
Companies not based in Japan
- Amlin
- Cholamandalam MS General Insurance
- MSIG Insurance Europe
- MSIG Insurance Vietnam Company
- MS Frontier Reinsurance
- MS First Capital Insurance
- Mitsui Sumitomo Reinsurance
- Mitsui Sumitomo Insurance London Management
- MSI Guaranteed Weather
- Mitsui Sumitomo Insurance
- MS Transverse Insurance
Financial services
- Sumitomo Mitsui Asset Management Co
- Venture Capital Co
Risk-related businesses
- InterRisk Research Institute & Consulting
- Mitsui Sumitomo Insurance Care Network Co
- American Appraisal Japan Co
Annual Reports
- MSIG Annual Report 2008
- MSIG Annual Report 2014
References
External links
- Mitsui Sumitomo Insurance Group
- Mitsui Sumitomo Insurance – Oceania


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