The Company was formed in 1980. The Group traces its history back to the 19th century.
The Company is incorporated in the Cayman Islands, and has executive offices in George Town, Cayman Islands.
The Company has the following offices:
- Siem Kapital AS, with offices in Oslo, Norway
- Siem Capital UK Ltd., with offices in London, United Kingdom
- Siem Europe S.a r.l., with offices in Luxembourg
The Company has approximately 450-600 shareholders. It was listed on the Oslo Stock Exchange until 1999 and on the American Stock Exchange until 1998. The Old Yard Trust Company is the trustee for a trust which is the largest shareholder of the Company with 67.2% of the share capital.