Explore our portfolio of subsea support vessel designs.
Subsea support vessels encompass a variety of specialised ships designed to support various operations related to subsea construction, maintenance, and exploration. These vessels are tailored for specific tasks and environments in the offshore energy industry.
Our designs give high functionality, large work deck and equipment-carrying capability and good seakeeping abilities to ensure high operability under harsh weather conditions, high transit speed and low fuel consumption.
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 state-of-the-art 'Olympic Boreas' CSOV has been delivered to Olympic by Ulstein Verft on 25.07.2024. The vessel is the first of two sister vessels, based on the ULSTEIN SX222 design by Ulstein Design & Solutions AS.
Aptly nicknamed ‘A 4-wheel-drive for the seas’, the ULSTEIN TWIN X-STERN is celebrated for its exceptional manoeuvrability. To date, this innovative feature has been incorporated into ten newbuilds, all designed for the walk-to-work market and measuring up to 90m in length. The next likely segments to adopt the TWIN X-STERN are subsea and cable-laying.
As offshore wind farms grow in size and number of turbines, the demand for the capacity of existing inter-array cable laying vessels (CLVs) intensifies. The next-generation CLV must be capable, cost-effective, and able to serve more and larger turbines.
In 2023, Ulstein Group recorded revenues of NOK 1.4 billion and an operating profit of NOK 49 million. The knowledge and experience Ulstein have gained through more than a hundred-year history have created a dynamic and flexible organisation that we now benefit from in the transition to a greener and gradually more fossil-free future.
The keel laying of ‘Acadia,’ America’s first U.S.-built SRIV designed by Ulstein, signifies a collaborative leap forward in the U.S. offshore wind market, aligning with national clean energy goals.
10 June 2024: Yard number 318 from Ulstein Verft completed her sea trial this weekend. The state-of-the-art CSOV vessel includes sophisticated energy systems and the ULSTEIN TWIN X-STERN solution in a prototype combo.
The Construction Service Operation Vessel (CSOV) "Olympic Boreas", set for delivery from Ulstein Verft in 2024, has been nominated for the 'Ship of The Year' award by the jury of the maritime magazine Skipsrevyen.
In May 2024, the Korea Institute of Geoscience and Mineral Resources (KIGAM) took delivery of Tamhae 3. Designed by Ulstein Design & Solutions AS, this is a new geophysical exploration research vessel built domestically by HJ Shipbuilding and Construction.
On Thursday, 30 May 2024, the CMHI yard, China, marked the keel lay for the next Ulstein-designed expedition cruise ship for SunStone Ships, the 'Douglas Mawson'.
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Ulstein Design & Solutions AS
Ulstein Design & Solutions B.V.
Ulstein Verft AS