Verified Nov 2026
Chassis & Safety Systems
·
Houston, Texas
·
Since 2023
OneSubsea makes subsea technology and solutions for the offshore oil and gas industry, including production, processing, and control systems, subsea trees, and subsea services. The company is headquartered in Houston, Texas, and Oslo, Norway, and was founded in 2023 as a joint venture of SLB, Aker Solutions, and Subsea7. It employs an estimated 5,000 to 10,000 people, with estimated revenue of $1 to 5 billion. Its clients include international and national oil companies and offshore exploration and production firms. In November 2025, it was awarded a subsea boosting contract for bp's Tiber project in the Gulf of America.
OneSubsea at a glance
Revenue
$1-5B
Est. band
Employees
5,000-10,000
Founded
2023
Headquarters
Houston, Texas
Certifications
ISO 9001
Import activity
2438
Industries
Automotive
Electric Vehicles
Renewable Energy
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
2438
Named foreign suppliers
50
Top origins
United Kingdom · China · Germany · Singapore
Shared foreign counterparties do not establish that these companies buy from OneSubsea.
What this tells a buyer
OneSubsea was awarded a series of subsea contracts in 2025 and 2026, including work for the Lyra field offshore Norway, the Rovuma Basin development, and the West Hub Tails project offshore Angola.
The company holds ISO 9001 certification and offers integrated solutions, production and processing systems, control systems, swivel and marine systems, and subsea services.
OneSubsea is privately held and does not trade publicly, and its estimated workforce of about 11,000 is noted in company materials.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
3 years in operation (founded 2023).
Holds ISO 9001 certification(s) per public sources.
Overview
OneSubsea makes subsea technology and solutions for the offshore oil and gas industry, including production, processing, and control systems, subsea trees, and subsea services. The company is headquartered in Houston, Texas, and Oslo, Norway, and was founded in 2023 as a joint venture of SLB, Aker Solutions, and Subsea7. It employs an estimated 5,000 to 10,000 people, with estimated revenue of $1 to 5 billion. Its clients include international and national oil companies and offshore exploration and production firms. In November 2025, it was awarded a subsea boosting contract for bp's Tiber project in the Gulf of America.
At a glance
Attribute | Detail |
|---|---|
Founded | 2023 |
Headquarters | Houston, Texas |
Employees | 5,000-10,000 |
Revenue | $1-5B (estimated) |
Primary capability | Chassis & Safety Systems |
Certifications | ISO 9001 |
What OneSubsea makes
The company holds ISO 9001 certification and offers integrated solutions, production and processing systems, control systems, swivel and marine systems, and subsea services.
Certifications
OneSubsea is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — linkedin.com
Trade and customs footprint
OneSubsea was awarded a series of subsea contracts in 2025 and 2026, including work for the Lyra field offshore Norway, the Rovuma Basin development, and the West Hub Tails project offshore Angola. US customs bill-of-lading records list 2438 inbound shipments across 50 foreign suppliers, with top origins including United Kingdom · China · Germany · Singapore.
Latest developments
2026-11-05 — SLB OneSubsea awarded contract for Lyra field development offshore Norway | OneSubsea (slb.com)
2026-09-29 — SLB OneSubsea awarded major subsea systems contract for Rovuma Basin development | OneSubsea (slb.com)
2026-09-07 — SLB OneSubsea awarded controls umbilicals contract for Azule Energy's West Hub Tails project offshore Angola | OneSubsea (slb.com)
2026-02-17 — SLB OneSubsea awarded subsea compression upgrade for Gullfaks field | OneSubsea (slb.com)
2025-11-18 — SLB OneSubsea awarded subsea boosting contract for bp’s Tiber project in Gulf of America | OneSubsea (slb.com)
2025-10-30 — SLB OneSubsea secures EPC contracts from PTTEP for two deepwater projects offshore Malaysia | OneSubsea (slb.com)
Facilities
OneSubsea is headquartered in Houston, Texas. Public sources also reference these locations:
Brazil — slb.com
Company details
OneSubsea is privately held and does not trade publicly, and its estimated workforce of about 11,000 is noted in company materials. OneSubsea was founded in 2023, has an estimated 5,000-10,000 employees, and is headquartered in Houston, Texas. On the LightSource stability read it is rated "Established & active": 3 years in operation (founded 2023). Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does OneSubsea make?
OneSubsea makes subsea technology and solutions for the offshore oil and gas industry, including production, processing, and control systems, subsea trees, and subsea services. The company is headquartered in Houston, Texas, and Oslo, Norway, and was founded in 2023 as a joint venture of SLB, Aker Solutions, and Subsea7. It employs an estimated 5,000 to 10,000 people, with estimated revenue of $1 to 5 billion. Its clients include international and national oil companies and offshore exploration and production firms. In November 2025, it was awarded a subsea boosting contract for bp's Tiber project in the Gulf of America.
Where is OneSubsea headquartered?
OneSubsea is headquartered in Houston, Texas (915 N Eldridge Pkwy, Houston, Texas, 77079).
When was OneSubsea founded?
OneSubsea was founded in 2023.
How big is OneSubsea?
OneSubsea has an estimated 5,000-10,000 employees, with revenue in the $1-5B range (estimated).
What certifications does OneSubsea hold?
OneSubsea lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does OneSubsea import from overseas suppliers?
US customs bill-of-lading records show 2438 inbound shipments for OneSubsea, with top origins including United Kingdom · China · Germany · Singapore.
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Last verified Nov 2026. Is this your company? Request a correction.
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