Who owns SLB OneSubsea?
SLB OneSubsea is owned by SLB (the United States, NYSE: SLB), which has owned the brand since 2 October 2023.[1]
SLB owns 70% of SLB OneSubsea rather than all of it.
Evidence: SLB N.V. (SLB Limited) Annual Report on Form 10-K filed 2026-01-23, SEC EDGAR, 23 January 2026. Verified from filings; last checked .
Key facts
- Current owner
- SLB N.V. (SLB Limited) (70% stake) verified
- Owned since
- Owner HQ
- 🇺🇸 United States, Houston
- Origin
- 🇺🇸 United States
- Category
- Energy › Oil & gas › Oilfield services & drilling
- Parent ticker
- NYSE: SLB
- Last verified
- · 1 sources
About SLB OneSubsea
SLB OneSubsea is the subsea production systems joint venture that closed on 2 October 2023 and combines SLB's and Aker Solutions' subsea businesses. The 10-K says SLB owns 70 percent, Aker Solutions ASA 20 percent and Subsea7 S.A. 10 percent.
Ownership timeline of SLB OneSubsea
Where SLB OneSubsea sits in SLB
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full SLB ownership tree →
See the full SLB brand portfolio (3) →
Other brands owned by SLB
SLB controls 3 brands on Brandtree, 3 of them in energy.
Also in energy
Other brands in oilfield services & drilling, and who owns them
The 17 brands in oilfield services & drilling on Brandtree belong to 9 owners. The largest is Tenaris, with 4; SLB has 2.
| Brand | Owner | Owner based in |
|---|---|---|
| Algoma Tubes | Tenaris | 🇱🇺 Luxembourg |
| BENTEC | Helmerich & Payne | 🇺🇸 United States |
| Bently Nevada | Baker Hughes | 🇺🇸 United States |
| Pintail Completions | RPC | 🇺🇸 United States |
| FlexSteel | Cactus | 🇺🇸 United States |
| Citadel Casing Solutions | Innovex | 🇺🇸 United States |
| Ulterra | Patterson-UTI | 🇺🇸 United States |
| PROPWR | ProPetro | 🇺🇸 United States |
About the owner: SLB
SLB is a publicly listed company headquartered in Houston, United States. Brandtree records 3 brands under its control, and it is listed as NYSE: SLB.
SLB is the former Schlumberger. Its 2025 Form 10-K says it was founded in 1926, is incorporated under the laws of Curaçao with executive offices in Paris, Houston and The Hague, changed its brand name to SLB in 2022 and changed the legal name of the listed parent in 2025. It is organised into Digital, Reservoir Performance, Well Construction and Production Systems divisions.
🇺🇸 SLB OneSubsea and other American brands
Brandtree records a controlling owner for 2,399 brands that began in the United States. 461 of them (19%) are now controlled by a company headquartered in another country; SLB OneSubsea is not one of them.
- AES Ohio — AES 🇺🇸
- Agway Energy Services — Suburban Propane 🇺🇸
- Alabama Power — Southern Company 🇺🇸
- AmeriGas — UGI 🇺🇸
- American Transmission Company — WEC Energy Group 🇺🇸
- Arch Resources — Core Natural Resources 🇺🇸
Frequently asked questions
Who is the parent company of SLB OneSubsea?
The parent company of SLB OneSubsea is SLB, a publicly listed company headquartered in the United States.
Is SLB OneSubsea American?
Yes. SLB OneSubsea originated in the United States and its owner, SLB, is also headquartered in the United States.
Since when has SLB owned SLB OneSubsea?
SLB has owned SLB OneSubsea since 2 October 2023.
Is SLB OneSubsea still owned by SLB?
Yes. As of 5 October 2026, SLB OneSubsea is still owned by SLB (70% stake). The ownership record was last checked against primary sources on that date.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] SLB N.V. (SLB Limited) Annual Report on Form 10-K filed 2026-01-23 — SEC EDGAR, SEC Form 10-K, published 23 January 2026; retrieved 5 October 2026.
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