Offshore Vessels

Wärtsilä is the leading designer for OSVs, and our extensive reference list for offshore vessels include everything from complex Offshore Construction Vessels to the world’s most advanced LNG powered ships, and low cost AHTS Vessels. We take pride in making customised designs according to the specific needs of the customer, achieving the right balance in functionality and new build cost.

Why our customers chose us:

  • End-to-end local capabilities in Europe and Asia
  • Combination of expert knowledge, track record and innovation
  • On-time delivery
  • Reduced risk by integration between the products and design secures the construction, performance and operation
  • Flexibility in selection of yard and equipment make

    Vessel types
    • All types of OSVs, including Platform Supply Vessels, AHTS, IMR, ROV, Offshore Construction Vessels and Dive Support Vessels
    • Accommodation Vessels
    • Pipe Laying Vessels, Barges and Cable Laying Vessels
    • Stand-by and Field Support Vessels

    Anchor handling tug supply vessel

    Simplicity, efficiency, low fuel consumption, & reduced environmental impact

    Download datasheets

    Platform Supply vessel

    State-of-the-art designs factoring environmental concerns without compromising performance

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    Specialised Offshore Vessels

    Custom made designs for the offshore industry

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    Service Operation Vessel

    Custom made designs for the offshore wind industry

    Download datahsheets



    Windfarm support / light construction vessel

    VS 492 WSV

    Wind innovation Windmill Service Vessel


    • Seven Arctic
      W?rtsil? Ship Design’s VS 4285 HCV design will be one of most capable heavy construction vessels in Subsea 7’s fleet of over 40 ships.

      Seven Arctic

    • VS 4235 Dive Support Vessel
      The W?rtsil? design features a unique combination of capabilities, including deep water (6000 metres) salvage operations, deep water pipe laying and construction work, and saturation (SAT) diving operations for 24 divers using two diving bells.

      VS 4235 Dive Support Vessel

    • Seven Kestrel diving support vessel
      W?rtsil? has delivered the design for a new diving support vessel (DSV) to be built for Subsea 7, the seabed-to-surface engineering, construction, and services contractor to the offshore energy industry.

      Seven Kestrel diving support vessel

    Related press releases




    Safe working in rough seas

    W?rtsil? Ship Design has won a contract from Subsea 7 for the design of a new, state-of-the-art diving support vessel ...
    22 November 2013
    • Twentyfour7. article

    Contact us

    David Xu
    Tommy Hivand

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