HSM Offshore Energy B.V., based in Schiedam, Netherlands, is a Dutch engineering, procurement, construction, installation, and commissioning (EPCIC) provider specializing in offshore energy infrastructure. Founded with roots dating back to 1914, the company focuses on multi-disciplinary projects including platforms, modules, jackets, and topsides for offshore wind farms, gas production, carbon capture and storage (CCS), and green hydrogen facilities.
With over 60 years of experience and more than 150 projects delivered, HSM Offshore Energy supports the energy transition, with 99% of its current orderbook dedicated to renewables. Notable contributions include the offshore substation for Denmark's 1.1 GW Thor wind farm, topsides for OSS Zingst and Jasmund in the Baltic Sea, and modules for the Modular Offshore Grid 2 at Belgium's artificial energy island. In 2025, it was acquired by Smulders, enhancing capabilities in sustainable offshore solutions and connecting over 3.6 GW of European offshore wind capacity.
