Explore our portfolio of heavy transport vessel designs.
See our range of heavy transport vessels tailored to meet the evolving demands of the offshore wind industry. As the sector experiences robust growth on a global scale, our vessels have been meticulously developed to cater to the specific needs of shipowners and operators in this field.
Cutting-edge solutions that optimise vessel performance and enhance operational efficiency.
Turning visions into realities motivates us to keep pushing for progress in the maritime industry.
You can learn more about how we work with our customers to achieve their visions through our stories.
The sea trial of the expedition cruise vessel, Douglas Mawson, was successfully completed on 2 July 2025. This significant milestone marks a step closer to the vessel's delivery in autumn 2025. The vessel was contracted by SunStone Ships and will be operated by Aurora Expeditions.
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.
26 June 2025 – Bernhard Schulte Offshore (BSO) has taken delivery of the state-of-the-art, commissioning service operation vessel (CSOV) WINDEA Curie, yard number 320 from Ulstein Verft.
Ulstein Group recorded revenues of NOK 3.1 billion and an operating profit of NOK 198.8 million in 2024.
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.
Ulstein Digital, a newly established subsidiary of Ulstein Group, has officially joined Veracity by DNV’s partner network. The partnership enables seamless integration between Ulstein’s data platform and Veracity by DNV, automatically transferring validated MRV (Monitoring, Reporting, and Verification) data into DNV’s verification service. This automation significantly reduces manual workload, saving time and resources for maritime operators.
4 June 2025: Megamas Resources announced a ship design contract with Norway-based Ulstein Design & Solutions AS to start the engineering phase on a fibre-optic cable-laying vessel (CLV) planned to be built at the Lloyd Werft Bremerhaven GmbH.
The total number of walk-to-work (w2w) vessel designs and redesigns by Ulstein now count 22, of which 14 are currently in operation. In average, these vessels perform repair and maintenance on more than 5,000 turbines – every year!
That makes a stunning 95,000+ gangway connections!
Three of Ulstein's designs are among the Work Boat World Awards 2024 winners. Tamhae 3 clinched the 'Best Large Research Vessel' award, Olympic Boreas was named 'Best CSOV', and JSD 6000 took home the 'Best Derrick Layer' accolade from Baird Maritime/Work Boat World. These awards celebrate the best vessels in their categories, judged on design, build quality, and functionality.
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Ulstein Design & Solutions B.V.
