Seatrium

Seatrium is a Singapore-based offshore and marine engineering company whose businesses cover offshore rigs and floaters, ship repair and upgrading, offshore platforms, and specialized shipbuilding. The company operates internationally through shipyards and marine facilities in Singapore, Indonesia, the United Kingdom, and Brazil. Its activities serve energy, offshore infrastructure, maritime, and related industrial customers. The Seatrium brand was created in 2023 following the completion of Sembcorp Marine's acquisition of Keppel Corporation's Offshore & Marine division. The transaction brought together two major Singaporean marine-engineering lineages. Sembcorp Marine traced its corporate history to Jurong Shipyard and had developed capabilities in shipbuilding, offshore structures, rig construction, floating production systems, repairs, and marine engineering. Keppel Offshore & Marine had been built around Keppel's offshore and marine operations, including Keppel Shipyard, Keppel FELS, and Keppel Singmarine. The combination created a larger platform intended to consolidate complementary yards, engineering capabilities, customer relationships, and project execution resources. The acquisition was completed on 28 February 2023 for a transaction value reported in the reference material as approximately S$3.34 billion. After completion, Sembcorp Marine shareholders approved the corporate name change to Seatrium on 27 April 2023. The new name marked the integration of the two businesses rather than the continuation of either legacy operating identity. Seatrium's rigs and floaters business includes engineering and construction work for offshore drilling and production assets. Its offshore-platform activities encompass the development of structures and facilities used in energy and marine infrastructure projects. The company also provides repair, conversion, upgrading, and modification services, including work on floating production, storage, and offloading vessels. Specialized shipbuilding extends the group's activities beyond conventional offshore fabrication and supports complex vessels and marine assets. The business has operated through a period of major change in the offshore and marine sector. Earlier operations were exposed to fluctuations in oil and gas investment, the effects of the COVID-19 pandemic, project postponements, and financial pressure across the industry. The legacy Sembcorp Marine business also underwent a separation from Sembcorp Industries and received support connected with a substantial rights issue during 2020. These events formed part of the financial and strategic background to the eventual combination with Keppel Offshore & Marine. Among the notable capabilities associated with the legacy businesses were floating production, storage, and offloading conversions; offshore production and drilling assets; digital-twin, additive-manufacturing, and drone-related development initiatives; and large marine construction projects. Sembcorp Marine also acquired intellectual property associated with Sevan Marine in 2018, broadening its access to specialized marine engineering and design technology. In 2019, it publicized The Sleipnir, described in the reference material as the world's largest crane vessel at the time and a major example of large-scale offshore construction capability. Today, Seatrium presents itself as an integrated offshore and marine engineering group. Its portfolio combines project design, fabrication, construction, conversion, repair, upgrading, and specialized shipbuilding. The company remains closely associated with Singapore's maritime industrial base while conducting work across several international shipyard locations. Its exact current ownership structure, leadership roster, website, and trading symbol are not specified in the supplied reference material.

Seatrium was established in 2023 through the combination of Sembcorp Marine and Keppel Corporation's Offshore & Marine division. The transaction reflected a long-running consolidation of Singapore's offshore and marine engineering sector and brought together two substantial industrial lineages. Sembcorp Marine was formed from Jurong Shipyard in 2000. Over the following years it expanded into offshore fabrication, shipbuilding, repairs, floating production systems, drilling-related assets, and marine engineering. In 2017, the company won a contract to build a floating production, storage, and offloading hull and living quarters for Statoil Petroleum. It also began collaborations involving drones, additive manufacturing, and digital-twin technologies with DNV GL, A*STAR's Singapore Institute of Manufacturing Technology, and the National Additive Manufacturing Innovation Cluster. In 2018, Sembcorp Marine acquired Sevan Marine's intellectual property and a 95% interest in HiLoad LNG AS. In 2019, it received an offshore and marine engineering award at the Singapore International Maritime Centre Awards and publicized The Sleipnir, a very large crane vessel associated with its offshore construction capabilities. Keppel's offshore and marine history developed through the integration of Keppel Shipyard, Keppel FELS, and Keppel Singmarine. Keppel privatized its offshore and marine business in 2001, and the resulting operations were organized into the Keppel Offshore & Marine group in 2002. Its work included shipyard services, offshore-rig construction, floating production assets, and repair and modification projects. A 2015 Keppel Shipyard project involved the conversion and upgrading of a floating production, storage, and offloading unit. The legacy Sembcorp Marine business experienced significant pressure during the offshore-market downturn and the COVID-19 period. In 2020, Sembcorp Industries and Sembcorp Marine moved toward separation, trading in the companies was halted during the restructuring period, and Sembcorp Marine's shares declined substantially during that year. Temasek supported a Sembcorp Marine rights issue reported at approximately S$1.5 billion. A major Shell drilling-rig contract was also postponed amid pandemic-related economic uncertainty. These events illustrated the industry's exposure to oil-market conditions, capital intensity, project timing, and customer investment decisions. Sembcorp Marine completed the acquisition of Keppel Offshore & Marine on 28 February 2023. The transaction value was reported in the supplied reference material as S$3.34 billion. On 27 April 2023, shareholders approved the renaming of Sembcorp Marine to Seatrium. The new company inherited the combined businesses' international operating footprint, with activities conducted through shipyards and facilities in Singapore, Indonesia, the United Kingdom, and Brazil. Seatrium's present portfolio is organized around rigs and floaters, repairs and upgrades, offshore platforms, and specialized shipbuilding. Its inherited capabilities cover engineering, fabrication, conversion, construction, repair, and modification of complex marine and offshore assets. The company therefore represents both a new corporate brand and the continuation of established Singaporean shipyard and offshore-engineering capabilities.

1. 2023Seatrium is created

   Sembcorp Marine completed its acquisition of Keppel Offshore & Marine and subsequently adopted the Seatrium name.

   Source
2. 2020Sembcorp Marine undergoes restructuring and rights issue support

   The legacy business experienced restructuring, trading disruption, pandemic-related pressure, and support associated with a large rights issue.

   Source
3. 2019The Sleipnir is publicized

   Sembcorp Marine publicized The Sleipnir, described in the reference material as the world's largest crane vessel at that time.

   Source
4. 2018Sevan Marine intellectual property acquisition

   Sembcorp Marine acquired Sevan Marine's intellectual property and a 95% interest in HiLoad LNG AS.

   Source
5. 2017Sembcorp Marine wins an FPSO contract

   Sembcorp Marine announced a contract to construct a new floating production, storage, and offloading hull and living quarters for Statoil Petroleum.

   Source
6. 2002Keppel Offshore & Marine group is organized

   Keppel Shipyard, Keppel FELS, and Keppel Singmarine were integrated into the Keppel Offshore & Marine group.

   Source
7. 2001Keppel privatizes its offshore and marine business

   Keppel privatized its offshore and marine operations as part of the restructuring that preceded the creation of Keppel Offshore & Marine.

   Source
8. 2000Sembcorp Marine is formed from Jurong Shipyard

   The Sembcorp Marine lineage begins with the formation of Sembcorp Marine from Jurong Shipyard.

   Source

An integrated Singapore-based offshore and marine engineering group combining shipyard, fabrication, conversion, repair, and specialized shipbuilding capabilities for global energy and maritime customers.

• Rigs and floatersOffshore energy equipment

  Seatrium's rigs and floaters activities cover engineering and construction of offshore drilling and production assets, including floating units used in energy projects. The capability derives from the combined offshore fabrication and marine-engineering operations of Sembcorp Marine and Keppel Offshore & Marine.

• Repairs and upgradesShip repair and marine services

  This offering includes vessel repair, conversion, upgrading, and modification work. It incorporates experience with complex offshore units and floating production, storage, and offloading conversions, allowing customers to extend, modify, or repurpose existing marine assets.

• Offshore platformsOffshore infrastructure

  Seatrium designs and constructs offshore platforms and related production structures. These projects require large-scale fabrication, marine integration, engineering coordination, and delivery through the group's international yard network.

• Specialized shipbuildingShipbuilding

  The specialized shipbuilding business covers complex vessels and marine assets that require advanced engineering and substantial shipyard integration. The inherited portfolio includes large offshore construction capabilities associated with vessels such as The Sleipnir.

• 2023Acquire Keppel Offshore & MarineM&A

  The transaction combined two major Singapore-based offshore and marine engineering businesses during a period of structural pressure and consolidation in the offshore sector.

  What changed. Sembcorp Marine completed the acquisition of Keppel Corporation's Offshore & Marine division on 28 February 2023.

  Aftermath. The combined company subsequently adopted the Seatrium name, creating an integrated group with international shipyard operations.

  Reported transaction value. S$3.34 billion (28 February 2023)

  Source
• 2023Rename Sembcorp Marine as SeatriumStrategy

  A new corporate identity was needed after the integration of Sembcorp Marine and Keppel Offshore & Marine.

  What changed. Shareholders approved the name change from Sembcorp Marine to Seatrium on 27 April 2023.

  Aftermath. Seatrium became the operating brand for the combined offshore and marine engineering group.

  Source

• 2020Brazil corruption investigations involving legacy contractsControversy

  The legacy Sembcorp Marine business was linked in the supplied reference material to corruption probes in Brazil concerning drilling-rig construction contracts entered into by subsidiaries in 2012. The material does not provide sufficient detail to establish the final legal disposition.

  Source

• 2023Sembcorp Marine completes acquisition of Keppel Offshore & Marine

  Sembcorp Marine completed the acquisition of Keppel Corporation's Offshore & Marine division, creating the corporate basis for the Seatrium group.

  M&A
  Source
• 2023Sembcorp Marine shareholders approve the Seatrium name

  Following completion of the Keppel Offshore & Marine transaction, shareholders approved the change of Sembcorp Marine's name to Seatrium.

  Other
  Source
• 2018Sembcorp Marine acquires Sevan Marine intellectual property

  Sembcorp Marine acquired Sevan Marine's marine-engineering intellectual property and a majority interest in HiLoad LNG AS, expanding its specialized design and technology portfolio.

  M&A
  Source

1. Seatrium