Overview
Seatrium, formed in 2023 from the merger of Keppel Offshore & Marine with Sembcorp Marine, is the world's largest offshore-and-marine-rig builder. Headquartered in Singapore, Seatrium builds drillships, FPSOs, semi-submersible drilling rigs, and an expanding offshore-wind installation book. Major service centres in Singapore, Brazil, the Gulf of Mexico, and the UAE.
Key facts
- Singapore, formed 2023 (Keppel O&M + Sembcorp Marine)
- World's largest offshore-rig builder
- Drillship, FPSO, semi-sub focus
- Active in offshore-wind installation
- Multi-regional service centres
Why it matters to seafarers
Offshore-fleet seafarers — drillship crews, FPSO marine teams, rig engineers — will sail Seatrium-built or Seatrium-maintained tonnage. The merger means most Singapore-flagged offshore tonnage now traces back to one corporate root.