OMS Group, a leading provider of subsea digital infrastructure, has signed contracts with Ulstein, a world-renowned designer and builder of advanced offshore vessels, for the design and construction of two cable-laying vessels. 

At Ulstein Verft, the new year began with launching, lifting operations and docking of two offshore wind newbuilds. 

The hull for yard number 323 arrived at Ulstein Verft on 6 December 2025. This marks another milestone in the construction of our next-generation offshore wind service vessel, which is the tenth TWIN X-STERN CSOV since 2022. The vessel is based on Ulstein’s proven SX222 design platform. 

Guiding a nearly 150-metre-long newbuild vessel out of the dock hall with less than one metre of clearance on each side, while the wind presses from all directions, leaves no room for error. It demands meticulous planning, absolute precision, and a team that knows exactly what to do.

The hull of the state-of-the-art DP3 cable-laying vessel Nexans Electra arrived at Ulstein Verft on 5 July 2025. This marks the commencement of the outfitting and completion phase of the vessel. Upon completion in 2026, she will feature a split turntable on deck capable of holding up to 10,000 tonnes of cable, an under-deck turntable with a 3,500-tonne cable capacity, and a fibre optic tank with a 450-tonne capacity.

Ulstein Group and Larsnes Mek. Verksted are working together to deliver 28 standard vessels for the Norwegian Navy. This marks the beginning of a close collaboration between two of Norway's most experienced and modern shipyards, aiming to deliver the future naval vessels.

The collaboration between thyssenkrupp Marine Systems (tkMS) and Ulstein is a strategic boost for the Norwegian maritime industry, tkMS being one of four remaining contenders in a major maritime project. This is the only European alternative that includes building in Norway.

Olympic's latest CSOV, the 'Olympic Notos', has been operational for six months since her delivery, and the feedback is outstanding.

In today's evolving maritime industry, ship owners encounter challenges and opportunities. What options do you have when markets are unpredictable? Sometimes it's all about striking that perfect balance.

The Anchor Handling Tug Supply Vessel (AHTS) "Odin Viking" arrived at Ulstein Verft on 1 February 2025 to install a brand-new Launch & Recovery system (L-LARS) from Evotec, a supplier based in Ulsteinvik. The vessel were once again ready for new adventures on 30 March, after going through extensive installations and maintenance in a flexible project.

The Olympic Zeus, launched in 2009, introduced a hybrid power system, reducing fuel consumption by up to 70%. After reaching its 15th anniversary in 2024, it continues to set new fuel efficiency and environmental performance standards.

9 October 2024: The second Construction Service Operation Vessel (CSOV) for Olympic, Olympic Notos, has successfully completed its sea trial. This marks a significant milestone in the vessel’s journey towards fully operational status, following in the footsteps of her sister vessel, the Olympic Boreas.

With over a century of history, Ulstein Group prides itself on its dedicated ship designers who are integral to the company. United by a mission of innovation, they strive to challenge conventional wisdom and develop new solutions that enhance customer value.

The newly delivered Construction Service Operation Vessel (CSOV) Olympic Boreas has been awarded the “Maritime Innovation of the Year” award by GCE Blue Maritime Cluster. Delivered in July, this state-of-the-art vessel was developed in collaboration with the shipowner Olympic and several of the companies in Ulstein Group.

Nexans' next state-of-the-art cable installation, the 'Nexans Electra' is another step closer to realisation. The grand block ceremony was celebrated on 10 September 2024 at CRIST, Poland. The vessel will be finalised at Ulstein Verft, Norway.