Mitsui Sumitomo Insurance Group

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Not to be confused with Sumitomo Life Insurance Company, a mutual insurance organization.
Mitsui Sumitomo Insurance Group Holdings, Inc.
Public K.K.
Traded as TYO: 8725
Industry Insurance
Fate Merged
Successor MS&AD Insurance Group
Founded October 21, 1918 (as Taishō Marine and Fire Insurance Co.)
October 2001 (merger of Mitsui Marine & Fire Insurance Co. and The Sumitomo Marine & Fire Insurance)
Headquarters Tokyo, Japan
Area served
Key people
Yoshiaki Shin, Chairman
Toshiaki Egashira, President
Revenue Increase JP¥ 2,137,603 million (FY 2007)
Increase JP¥ 40,027 million (FY 2007)
Number of employees
20,237 (2008)
Website Official Cite
MSIG headquarters in Tokyo, Japan

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.[1]

On 8 September 2015, it was announced that Mitsui Sumitomo had agreed to buy the UK Insurance firm Amlin for £3.5bn[2]

Group companies[edit]

Non-life insurance[edit]

Life insurance[edit]

Companies not based in Japan[edit]

Financial services[edit]

Risk-related businesses[edit]

Annual Reports[edit]


  1. ^ MS&AD Insurance Inc. [1]. 2013.
  2. ^ "Mitsui Sumitomo to buy insurer Amlin for £3.5bn". FT. 8 September 2015. Retrieved 1 October 2015. 

External links[edit]