History

2009 October

Sompo Japan Insurance Inc. and NIPPONKOA Insurance Co., Ltd. drew up a share exchange agreement aimed at establishing a joint holding company and signed a business integration agreement.

December Sompo Japan Insurance Inc. and NIPPONKOA Insurance Co., Ltd. obtained the approval of their shareholders at extraordinary General Meetings of Shareholders with regard to the establishment of NKSJ Holdings, Inc.
2010 April NKSJ Holdings, Inc. was established.(currently Sompo Holdings, Inc.)
NKSJ Holdings,Inc. was listed on the Tokyo Stock Exchange (First Section) and the Osaka Securities Exchange (First Section).
May Sompo Japan Insurance Inc. acquired 100% of shares of Tenet Insurance Company Limited, a P&C insurer in Singapore, and made the company a consolidated subsidiary of NKSJ Holdings. (Afterward, the company changed its name to Tenet Capital Ltd.)
October Sompo Japan Asset Management Co., Ltd. and ZEST Asset Management Ltd. merged into Sompo Japan Nipponkoa Asset Management Co., Ltd.
November Sompo Japan Insurance Inc. acquired substantially all of the shares in Fiba Sigorta Anonim Sirketi, a P&C insurer in Turkey, and made the company a consolidated subsidiary of NKSJ Holdings. (Afterward, the company changed its name to Sompo Japan Sigorta A.S.)
2011 June Sompo Japan Insurance Inc. acquired additional shares of Berjaya Sompo Insurance Berhad and made the company a consolidated subsidiary of NKSJ Holdings,Inc.
October Sompo Japan Himawari Life Insurance Co., Ltd. and NIPPONKOA Life Insurance Company, Limited merged into NKSJ Himawari Life Insurance, Inc. (Afterward, the company changed its name to Sompo Japan Nipponkoa Himawari Life Insurance, Inc.)
2013 January Sompo Japan Nipponkoa Holdings (Americas) Inc. (currently Sompo America Holdings Inc.), the holding company that supervises the North American operations of Sompo Japan Insurance Inc., was established and became a consolidated subsidiary of NKSJ Holdings, Inc.
June Yasuda Seguros S.A. acquired additional shares of Marítima Seguros S.A.
As a results, Marítima Seguros S.A. and Marítima Saude Seguros S.A. (subsidiary of Marítima Seguros S.A.) became consolidated subsidiaries of NKSJ Holdings, Inc.
July The Singapore-based P&C insurers, Tenet Sompo Insurance Pte. Ltd. and Tenet Capital Ltd., merged into Tenet Sompo Insurance Pte. Ltd.
2014 May Sompo Japan Insurance Inc. acquired 100% of shares of Canopius Group Limited and made the company and its subsidiaries into consolidated subsidiaries of NKSJ Holdings, Inc.
(Sompo Canopius AG later replaced Canopius Group Limited as the highest-level holding company for the Canopius Group, and Canopius Group Limited was liquidated.)
September NKSJ Holdings inc. changed its name to Sompo Japan Nipponkoa Holdings, Inc.

Sompo Japan Insurance Inc. and Nipponkoa Insurance Co., Ltd. merged into Sompo Japan Nipponkoa Insurance Inc.

Sompo Japan Nipponkoa Insurance Services Inc. and NK Planning Co., Ltd. merged into Sompo Japan Nipponkoa Insurance Service Co., Ltd.
October The Brazil-based P&C insurers, Yasuda Seguros S.A. and Marítima Seguros S.A., merged into Yasuda Marítima Seguros S.A.
2015 December

Sompo Japan Nipponkoa Holdings, Inc., acquired 100% of shares of Watami no Kaigo Co., Ltd. converted this company into a consolidated subsidiary, and changed its name to Sompo Care Next Inc.

2016 March

Sompo Japan Nipponkoa Holdings, Inc., acquired Message Co., Ltd.,(Afterward, the company changed its name to Sompo Care Message, Inc.) and converted this company into a consolidated subsidiary.

April

Healthcare Fronteir Japan Inc., Sompo Japan Nipponkoa Risk Management Inc. and Sompo Japan Nipponkoa Healthcare Services Inc. merged into Sompo Risk Management & Health Care Inc.

October

Sompo Japan Nipponkoa Holdings, Inc. changed its name to Sompo Holdings, Inc.

2017 January Sompo Care Message Inc. became a wholly owned subsidiary of Sompo Holdings, Inc. and the company was delisted from the Tokyo Stock Exchange(JASDAQ).
March Sompo International Holdings Ltd. was established and became a consolidated subsidiary of Sompo Holdings, Inc.
Sompo Japan Nipponkoa Insurance Inc. acquired 100% of shares of Endurance Specialty Holdings Ltd. and made the company and its subsidiaries into consolidated subsidiaries of Sompo Holdings, Inc.