About Us


Sirius International Insurance Group, Ltd is a wholly owned subsidiary of CMIG International through its Bermuda holding company, CM Bermuda Limited. CMIG International is a Singapore based investment holding company owned by private investors.   



Sirius International Insurance Group, Ltd. (domiciled in Bermuda) is the holding company for the Group's principal operating companies: 

  • Sirius Bermuda, headquartered in Bermuda
  • Sirius International, headquartered in Stockholm 
  • Sirius America, headquartered in New York City 
  • Sirius International Managing Agency Limited, London 


In addition, Sirius provides exit solutions for run-off companies and their portfolios through Sirius Global Solutions.  



Underwriting offices are in Bermuda, Hamburg, Liège, London, Miami, New York City, Singapore, Stockholm, Toronto and Zürich.   


  • Lead capacity for property, casualty, accident & health and marine exposures
  • Substantial multi-line capacity in all territories 
  • Disciplined and professional underwriting 
  • Superior risk evaluation and pricing technology