Subsea vessel Island Performer, design SX121, photo Marius Beck Dahle


Our subsea portfolio includes flexible designs for Offshore Construction, Well Intervention, Inspection/Maintenance/Repair (IMR), Subsea Umbilicals, Risers and Flowlines (SURF) and rock installation vessels.

Vessel designs for subsea operations

Our design solutions have features to meet the operational demand set for your specific operations. The designs give you high flexibility to configure features such as ROV hangars, offshore cranes, module handling towers and other relevant equipment solutions.

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.

Segments SUBSEA 2015 cranecap2

Subsea portfolio

Our displayed design portfolio offers a glimpse of our capabilities, but rest assured, we can tailor our designs to match your exact requirements.

Proven designs - see our references

Decades of building state-of-the-art vessels for demanding marine operations have given us a knowledge base and experience guaranteeing the highest standards of quality, execution and delivery. 


Ulstein Design & Solutions AS


Ulstein Design & Solutions B.V.