Our Services

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Our Services

Our service offering is built around a unique combination advanced technical capabilities & assets, and the ability to offer a range of attractive contracting models:

  • T&I stand-alone: Transport & Installation of foundations, or cables, or wind turbines
  • Integrated Projects: comprising T&I of more than one of foundations, or cables, or wind turbines
  • EPCI Solutions: project where we manage the design, procurement and fabrication to deliver a full project solution


Read our corporate brochure

Offshore Cables

Seaway 7 offers submarine cable- and subsea umbilical installation, repair and maintenance services. Related services such as dive and ROV support, marine survey, UXO investigation and remedial cable protection services are also provided.

  • Cable Laying services
  • Cable trenching services
  • Walk-2-Work
  • Offshore cables – related services
  • Cable storage
  • Inspection, Maintenance & Repair

Learn more about Offshore Cables

WTG Foundations

Seaway 7 offers installation services for WTG foundations through its Heavy Lift Vessels (HLV), Seaway Strashnov and Seaway Yudin.

In the last 12 years Seaway 7 has built up an extensive track record in installing a wide range of foundation types, ranging from monopiles and suction bucket jackets to tripod and pre-piled jackets using a pile installation frame.

In 2022, Seaway 7 will welcome heavy lift crane installation vessel, Alfa Lift, a custom-built vessel for the installing of offshore wind foundations. The vessel is designed specifically to install XXL monopiles and jacket foundations with maximum efficiency, designed around Seaway 7’s innovative approach to installation with a fully automated foundation handling system.

Learn more about WTG Foundations

Offshore Substations

Using our Heavy Lift Vessels, Seaway 7 can provide the transportation and installation of offshore substation jackets and topsides. Mid 2020, we had successfully installed more than 30 HVAC platforms.

The DP3 HLV Seaway Strashnov with its 5000t crane is especially well equipped for this work.

Learn more about Offshore Substations

Wind Turbine Generators

Seaway 7 provides fully integrated Transport and Installation (T&I) services for offshore wind turbine generators (WTGs) utilising the company’s next generation jack-up installation vessel.

With the organisation, people, vessels and systems in place, and a strong track record – Seaway 7 is the ideal partner for the installation of offshore windfarms.

Learn more about Wind Turbine Generators

Heavy Transportation

Seaway 7 (previously OHT) is one of the most experienced heavy transport vessel operators in the world, providing highly engineered transportation solutions for the most demanding cargoes – safely and on time.

The five Seaway 7 open deck semi-submersible heavy transportation vessels; Eagle, Falcon, Hawk, Osprey and Albatross are suitable for dry transportation of offshore wind foundations, offshore modules and all other oversized floating and non-floating cargoes.

Learn more about Heavy Transportation

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