Seatrium Limited provides engineering solutions to the offshore, marine, and energy industries. The company engages in the turnkey design, engineering, procurement, construction, and commissioning of offshore newbuilding and conversions, FSOs, FPSOs, FDPSOs, FPUs, MOPUs, gas terminals, FLNGs, FSRUs, Gravifloat, jack-ups, semi-submersibles, drill ships, TLPs, SPARs, and SSP solutions. It is also involved in the dry-docking, repair, refurbishment, retrofitting, life-extension, upgrading, and conversion of offshore and marine vessels and structures; specialised projects, including jumboisation and dejumboisation; and gas carriers, cruise ships, ferries, yachts, floating production vessels, heavy lift vessels, mobile offshore drilling units, tankers, containers, and cargo ships. In addition, the company offers turnkey engineering, procurement, construction, transportation, installation, offshore hook-up, commissioning, and brownfield solutions; high voltage direct current (HVDC) converter stations, high voltage alternating current (HVAC) substations, and wind turbine foundations; and wind turbine installation vessels, floating offshore wind turbines, floating wind-HVDC, and HVAC stations. Further, it provides specialised vessels and solutions comprising ferry, RoPax, and cruise, renewable energy support, offshore support, naval support and security, and research and scientific survey vessels; offshore oil and gas fixed platforms, including integrated production facilities, utility living quarters, and jackets; and onshore LNG and plant modules. Additionally, it engages in bulk trading of marine engineering related products; provision of management, and harbour tug services to port users; and collection and treatment of used copper slag, and the processing and distribution of copper slag. The company was formerly known as Sembcorp Marine Ltd and changed its name to Seatrium Limited in April 2023. The company was incorporated in 1963 and is headquartered in Singapore.