News Seaway Heavy Lifting, part of Subsea 7 Renewables & Heavy Lifting Business Unit, is awarded the sizeable contract for the transport and installation of 90 WTG foundations and two offshore substations  Read more
Seaway Heavy Lifting, part of Subsea 7 Renewables & Heavy Lifting Business Unit, is awarded the sizeable contract for the transport and installation of 90 WTG foundations and two offshore substations  Read more
Our highly skilled and motivated on- and offshore professionals are passionate to work on detailed, effective and maximum added value solutions.

Our profile

Seaway Heavy Lifting, part of Subsea 7 Renewables & Heavy Lifting Business Unit provides EPCI, T&I and Integrated Services to the offshore energy sector. This includes project management, engineering, fabrication, heavy lifting, cable installation and decommissioning services. The Renewables & Heavy Lifting Business Unit is comprised of four organisations:

  • The Seaway Heavy Lifting (SHL) Product Line Organisation manages and performs the transportation and heavy lifting of offshore structures. 
  • The Seaway Offshore Cables (SOC) Product Line Organisation manages and performs marine cable installation, trenching activities and related IMR services see www.seawayoffshorecables.com
  • The Seaway Renewables North and Seaway Renewables South Regional Organisations provide integrated solutions to Clients in the Renewables Sector utilising the combined resources of SHL, SOC and Subsea 7.

This combination of SHL, SOC and Subsea 7’s people, strength, experience, vessels and facilities provides clients with a uniquely capable partner across a wide array of services.

Subsea 7 Renewables & Heavy Lifting delivers these services using its four dedicated offshore construction vessels: heavy lift vessels, Oleg Strashnov and Stanislav Yudin and cable lay vessel, Seaway Aimery and installation support sessel, Seaway Moxie.  Additional support is provided from other vessels in the Subsea 7 fleet if required.

EPCI = Engineering, Procurement, Construction and Installation
T&I = Transportation and Installation
IMR = Inspection, Maintenance and Repair

Seaway Heavy Lifting is a Subsea 7 company.


We strive to be the leading offshore contractor in the Oil & Gas and Renewables industry in our targeted market segments, preferred and respected by clients. We can only claim this position by demonstrating leadership in safety, innovation and overall project performance, as well as delivering high-value engineered solutions. Our success is therefore based on our people. We support, train and guide our people to be the best in our industry, making sure we deliver the best added value solutions to our clients.

It is our mission to be recognized by our clients as the preferred offshore contractor for the Oil & Gas and Renewables industry by globally delivering top quality T&I and EPCI services.

Key deliverables

  • A full EPCI capability
  • Optimised solutions
  • The highest standards of safety and environmental protection
  • Timely delivery of services, within budget
  • Shared knowledge and expertise
  • Tailored solutions 
  • Modern crane vessels, the latest hardware and large crane capacity