We are a major contractor in the global offshore energy industry, leading the way in subsea pipeline construction and transport, installation and removal of offshore facilities. Pioneers in heart and soul, we integrate cutting-edge innovation with engineering excellence to meet the market’s ever-changing needs. Through our commitment to facilitate the energy transition through sustainable, technology-driven solutions, we are securing the future.

We give each other the freedom to thrive. To develop ourselves, to have fun and be proud of what we achieve together.
We dare to take risks and invest in ideas we believe in. To deliver sustainable solutions for people and the environment we work in.
We build on our successes and continue to improve, refine and develop new applications.
We maintain our reputation by doing what we say and delivering what we promise.
Our projects worldwide
With over 300 projects and 28,000 kilometers of subsea pipeline installed globally, we set new standards in deepwater installation, pipelay, and heavy lift. Our advanced vessels deliver excellence in complex project execution, from installation to removal and transport.
Allseas is a global contractor in the offshore energy market, specialising in pipelay, subsea construction, platform transport, installation and removal, and polymetallic nodule collection.