Company lists · Data refreshed September 2026
Top 25 Offshore platform suppliers based in the United Kingdom
RevenueBase identified 223 offshore platform suppliers headquartered in the United Kingdom as of September 2026 and tracks 17,890 professional contacts across them, including 3,178 with verified work emails and 1,748 with mobile numbers. Aberdeen is the largest hub.
This list covers offshore platform suppliers headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 5, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest offshore platform suppliers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | Ensco PLCIndirect evidence | 2,679 | |||
“We Are Valaris With decades of expertise and strategic commitment built on efficiency, capability and ingenuity, our sights are continually set toward a future built with purpose…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | Odfjell DrillingIndirect evidence | 1,864 | |||
“Odfjell Drilling is an international drilling company with around 1,500 employees with operations around the world.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,699 | ||||
“Borr Drilling Limited is an offshore shallow-water drilling contractor providing worldwide offshore drilling services to the oil and gas industry.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 955 | ||||
“Altera Infrastructure is a leading global energy infrastructure services group focused on the ownership and operation of offshore energy assets.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 694 | ||||
“Dolphin Drilling is the offshore drilling pioneer of the past and for the future.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 547 | ||||
“Altrad Sparrows is a global provider of specialist equipment and integrated engineering services to the energy and industrial sectors.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 516 | ||||
“Boskalis Subsea Services is a world-leading provider of specialist subsea solutions for the offshore energy industry, seamlessly integrating services to deliver optimum results.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 286 | ||||
“2H Offshore delivers leading-edge advanced systems engineering for all types of offshore structures in the oil and gas and renewable energy sectors.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | Motive Offshore Group LTDPartial evidence | 283 | |||
“Motive Offshore Group specialises in the design, manufacture, rental, and inspection of marine and lifting equipment.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 279 | ||||
“Claxton, an AF Gruppen Company, combines decades of industry experience, proprietary technology, and exceptional service quality to cut through offshore installation and…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | Ledwood Mechanical Engineering LTDIndirect evidence | 266 | |||
“Ledwood is an independent engineering, fabrication and construction company specialising in the delivery of complex projects across the oil, gas, process and energy industries.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | TEXOIndirect evidence | 222 | |||
“TEXO is a dynamic, UK-based industrial services provider that believes in meeting challenges head on.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | Swire Oilfield ServicesStrong evidence | 202 | |||
“Swire Energy Services, part of the global conglomerate, the Swire group, is the world's largest supplier of specialist offshore cargo carrying units to the global energy industry…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | 192 | ||||
“Acteon delivers data-driven, engineering-led solutions across the lifecycle of offshore energy infrastructure.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | Wilton EngineeringIndirect evidence | 188 | |||
“Wilton Engineering is a multi-disciplined Engineering Services provider based on a 113 acre site by the River Tees in Middlesbrough, North-East England.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | OSBITIndirect evidence | 171 | |||
“Osbit’s vision is to unlock a clean energy future by creating smarter technology.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 167 | ||||
“Aquaterra Energy provides intelligently engineered products and services for well access and offshore developments - supporting efficient operations across the full life cycle of…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | 156 | ||||
“Ferguson Marine (Port Glasgow) Limited is Scotland's leading company in new build, refit and ship repair.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | Seatrium Offshore Renewable Services LTDPartial evidence | 155 | |||
“Seatrium Offshore Renewable Services Ltd (Seatrium ORS) has over 55 years of unparalleled expertise and experience in the offshore energy industry.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | Maritime Developments LimitedIndirect evidence | 148 | |||
“MDL - We Build Innovation.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | Interocean Marine ServicesPartial evidence | 134 | |||
“Interocean provide a comprehensive range of services to the offshore oil and gas, marine, and renewable sectors.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 123 | ||||
“RELIABLE | RESOURCEFUL | READY We continually raise the bar by challenging ourselves and our clients to enable safe and efficient performance.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | 111 | ||||
“Derrick Service UK Ltd (DSL) is a diversified oil & gas construction company which provides a broad range of products and services to the market from our Worldwide locations.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | James Fisher OffshoreStrong evidence | 107 | |||
“James Fisher Offshore (JFO) is an international supplier of marine back deck, specialist subsea equipment and engineering services supporting the global subsea contractors across…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | 106 | ||||
“CTS Offshore & Marine Ltd is an independent provider of engineering services tailored for energy and material markets.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 223 offshore platform suppliers based in the United Kingdom
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Offshore platform suppliers based in the United Kingdom at a glance
As of Sep 5, 2026Companies by employee count
Verified emails by last verification
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among offshore platform suppliers, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United Kingdom whose own description of what they do matches “offshore platform suppliers”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among offshore platform suppliers, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 3,178 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 5, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Offshore platform suppliers by metro
- Offshore platform suppliers in Aberdeen50
Frequently asked
How many offshore platform suppliers are there based in the United Kingdom?
RevenueBase identified 223 offshore platform suppliers headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Ensco PLC, headquartered in London, tops this list with the largest team on record.
Which city has the most offshore platform suppliers?
Aberdeen leads with 50 headquartered companies, followed by London (19) and Great Yarmouth (6).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 3,178 verified decision-maker contacts tracked across these 223 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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