OMS Group contracts Ulstein for next-generation cable-layer duo

Ortnevik, Norway-headquartered Offshore & Marine Services AS (OMS Group), a leading provider of subsea digital infrastructure, has signed contracts with Ulstein for the design and construction of two cable-laying vessels.

Scheduled to come into service in 2028, the new vessels will be purpose-built to deliver superior installation capabilities with a key focus on sustainability and reducing carbon emissions. The vessels will feature cutting-edge engineering and operational efficiencies, ensuring the best possible deployment of subsea networks, with the lowest environmental impact available in the market.

The 130 x 22 meter Ulstein SX252 vessels have been designed by Ulstein Design & Solutions AS and will have a capacity of up to 6,500 tonnes of cable. Accommodations will be provided for 75 persons. The design features two large cable tanks, two spare-cable tanks, and a hangar that encloses the cable deck. On top of the hangar, there is a large open deck for ROVs and containers. The vessel is also equipped with a 50-tonne A-frame with a towing winch for plowing.

The Ulstein X-bow reduces motion, reducing wear on cables and cable equipment and enhancing safety and operational capability even in rough weather and high waves.

“This latest expansion reflects OMS Group’s clear strategic direction, to invest and build a future-ready fleet that underpins the rapidly expanding global digital economy. Partnering with Ulstein and adopting the X-bow design reinforces our commitment to performance, sustainability, and operational excellence,” said Datuk Lim Soon Foo, founder and chairman at OMS Group.

“With global connectivity demand accelerating, fleet capacity has become a critical constraint for the industry,” added Ronnie Lim, group CEO at OMS Group. “These vessels significantly enhance our ability to execute complex submarine cable installations reliably and at scale, positioning OMS Group strongly for the next phase of global digital infrastructure growth.”

“At Ulstein, we are proud to partner with OMS Group on these next-generation cable-laying vessels” said Gunvor Ulstein, CEO at Ulstein Group. “This confirms Ulstein’s position within the design and construction of special-purpose ships. By integrating our proven Ulstein X-bow design with advanced technologies such as the Ulstein Power variable speed generator (VSG), we deliver vessels that set new standards for operational efficiency and environmental performance in this market. These solutions reduce fuel consumption and emissions. Together with OMS Group, we are committed to supporting the global digital infrastructure with sustainable, future-ready solutions. A big thank you also goes to our employees for their efforts in securing this contract.”

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