History

2016
Sirius is acquired by CMIG International
(中民投).
CMIG headquarters

  1990-92
Legal restructuring of the Sirius Group. Parts were divested and Sirius International becomes parent company of the group.
     
2014
Monica Cramér Manhem becomes
the President & CEO of Sirius
International.
Sirius launches its own Lloyd's managing agency.
  1990
Göran Thorstensson becomes the President & CEO of Sirius International.

     
2011
Sirius America becomes a 100% owned subsidiary of Sirius. Lloyd's Syndicate
1945 is established. 
  1988-89
Continued expansion with the acquisition of a UK company and the formation of Scandinavian Re.

     
2005
Aviation and Space underwriting unit established in Zürich.

  1985
Sirius is acquired by ASEA AB. In 1988 ASEA merges with BBC and becomes ABB.

     
2004
Sirius is acquired by White Mountains.

  1945
Sirius is founded by the Johnson Group
     
1997-99
New phase of expansion with the acquisition of the Wasa (UK) business and Kemper Réassurance SA as well as the establishment of the Singapore branch.