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Mitsui Sumitomo Insurance Group Holdings, "Inc."

Native name	三井住友海上グループホールディングス株式会社
Company type	Public (K.K)
Traded as	TYO: 8725
Industry	Insurance
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)
Fate	Merged
Successor	MS&AD Insurance Group
Headquarters	Tokyo, Japan
Area served	Worldwide
Key people	Yoshiaki Shin, Chairman Toshiaki Egashira, President
Revenue	JP¥ 2,137,603 million (FY 2007)
Net income	JP¥ 40,027 million (FY 2007)
Number of employees	20,237 (2008)
Subsidiaries	Ceylinco Insurance (15%)
Website	ms-ad-hd.com/en

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
• MSIG Insurance Vietnam Company Limited
• MS Frontier Reinsurance Ltd.
• MS First Capital Insurance Limited.
• 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