OneSubsea is a joint venture formed by SLB (Schlumberger), Aker Solutions, and Subsea7, specializing in subsea production systems and lifecycle services. Headquartered in Oslo, Norway, and Houston, Texas, the company combines the strengths of its parent companies to enhance subsea oil and gas field development and production while supporting emission reduction goals.

The company offers a wide range of subsea products and services, including subsea production systems, compression systems, pump systems, processing systems, and lifecycle services. OneSubsea also designs and delivers deepwater risers that connect subsea wells to surface facilities. With a history of innovation, the company aims to reduce development costs and accelerate production timelines by integrating advanced engineering and digital technologies.

OneSubsea serves oil and gas operators globally, providing reliable and sustainable production solutions. Its strategic alliances, such as the Subsea Services Alliance and the Subsea Integration Alliance, further strengthen its capabilities in delivering complex engineering, procurement, construction, and installation projects.