[<< wikipedia] Mitsui Sumitomo Insurance Group
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., Ltd.


=== Life insurance ===
Mitsui Sumitomo Kirameki Life Insurance Co., Ltd.
Mitsui Sumitomo MetLife insurance Co., Ltd.


=== Companies not based in Japan ===
Amlin, plc
Cholamandalam MS General Insurance
MSIG Insurance Europe AG
MS Frontier Reinsurance Ltd.
Mitsui Sumitomo Reinsurance Ltd.
Mitsui Sumitomo Insurance London Management Ltd.
MSI GuaranteedWeather, LLC
part, llc
Mitsui Sumitomo Insurance – Oceania


=== Financial services ===
Sumitomo Mitsui Asset Management Co., Ltd.
MITSUI SUMITOMO INSURANCE Venture Capital Co., Ltd.


=== Risk-related businesses ===
InterRisk Research Institute & Consulting, Inc.
MITSUI SUMITOMO INSURANCE Care Network Co., Ltd.
American Appraisal Japan Co., Ltd.


== Annual Reports ==
MSIG Annual Report 2008
MSIG Annual Report 2014


== References ==


== External links ==
Mitsui Sumitomo Insurance Group
Mitsui Sumitomo Insurance – Oceania