Sea1 Offshore is a Norwegian private limited company that provides offshore vessels and related services to the oil and gas and renewable energy industries. Established in 2005 and listed on the Oslo B�rs Exchange, the company operates a modern fleet of approximately 21 to 34 vessels, including platform supply vessels, anchor handling tug and supply vessels, and offshore subsea construction vessels.

With a workforce of around 1,000 to 1,200 skilled personnel, Sea1 Offshore emphasizes health, safety, environmental responsibility, and quality in its operations. The company has a global presence with offices in Norway, Canada, Australia, the USA, and Brazil, and it offers services such as vessel operation and management, technical solutions, and support for subsea construction and well intervention activities. In 2024, Sea1 Offshore reported revenues of approximately USD 340 million, reflecting its strong operational focus and commitment to delivering reliable and environmentally responsible offshore support services.