A leading subsea provider.

About DOF Subsea

Our team’s ability to match services, expertise, and equipment to the requirements of each individual operation underpins our reputation for safe, efficient and cost effective project delivery.

DOF Subsea is a leading provider of subsea services in all the major oil and gas production regions around the world. With a world class fleet of offshore vessels, ROVs (Remote Operated Vehicles), diving and survey systems, the group combines expertise and technology to deliver integrated subsea solutions to the offshore oil and gas industry.

Our two core business segments are long-term charter agreements for the fleet and the execution of complex subsea operations to depths of 4,000 metres, using owned and operated, purpose-built vessels.

We are located in the North Atlantic, Gulf of Mexico, Brazil, Asia-Pacific, and West Africa with a team of 1,176 skilled subsea personnel. Our fleet stands at 24 offshore vessels including newbuilds, one chartered-in vessel, 69 ROV systems including newbuilds, and one AUV/IIV system.


Our two core business segments are the long-term charter agreements for the fleet and the execution of complex subsea operations.

Integrated Subsea Services


Company ownership

DOF Subsea is owned by DOF ASA (51%) and First Reserve Corporation.

DOF ASA, an international group of companies, owns and operates a modern fleet of offshore vessels combined with strong engineering capacity to service the global offshore energy market.


First Reserve Corporation (FRC) is a leading energy-focused private equity firm, with a history of over 25 years investing in the energy industry.

Visit First Reserve Corp.