About Us


Sirius International is a separately capitalized company within Sirius International Insurance Group Ltd. Decades of stability and the Group's multi-billion dollar capital structure lends further credence to the solid financial strength of Sirius. Sirius International, with its head office in Stockholm, services clients and brokers all over the world, although more than 50% of the portfolio emanates from Europe.


Sirius International has been based in Stockholm since 1945. We underwrite our portfolio of treaty and facultative business from our head office there as well as from underwriting offices in Bermuda, Hamburg, Liège, London, Singapore and Zürich.


  • Largest reinsurance company in Scandinavia
  • $2.3 billion in regulatory capital
  • A.M. Best rating of “A” (Excellent)
  • Standard & Poor’s rating of “A-” (Strong)


  • Property including Agriculture
  • Accident & Health
  • Credit & Bond
  • Aerospace
  • Marine & Energy

  • Accident & Health and Travel Insurance
  • Aviation
  • Contingency
  • Marine & Energy
  • Property