Sea1 Offshore Inc. provides specialized marine vessels and services primarily to the offshore oil and gas and renewable energy sectors. The company's fleet comprises various high-end vessels, including Anchor Handling Tug Supply (AHTS) vessels, Platform Supply Vessels (PSVs), Offshore Subsea Construction Vessels (OSCVs), and well-intervention vessels. Operating through multiple segments based on vessel type, Sea1 Offshore supports complex offshore operations such as drilling, subsea construction, and wind farm trenching. The company maintains a global geographic footprint with offices in Norway, Brazil, Australia, and Canada, allowing it to serve major energy basins worldwide. Originally founded in 2005 as a spin-off from Subsea 7, the company rebranded from Siem Offshore to Sea1 Offshore in May 2024 following a restructuring of its ownership and fleet.
