Company lists · Data refreshed September 2026
Top 25 Subsea engineering companies based in the United Kingdom
RevenueBase identified 561 company matches for subsea engineering companies associated with the United Kingdom as of September 2026 and tracks 14,989 professional contacts across them, including 5,826 with verified work emails. Aberdeen is the largest hub.
This list covers company matches for subsea engineering companies associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 18, 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 subsea engineering companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 955 contacts → | ||||
Exact match “Altera Infrastructure is a leading global energy infrastructure services group focused on the ownership and operation of offshore energy assets.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 2 | 714 contacts → | ||||
Exact match “Ocean Infinity is a technology-driven company transforming how ocean operations are carried out.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 3 | 545 contacts → | ||||
Exact match “Gardline is a best-in-class provider of geophysical, geotechnical and environmental marine surveys.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 4 | 516 contacts → | ||||
Exact match “Boskalis Subsea Services is a world-leading provider of specialist subsea solutions for the offshore energy industry, seamlessly integrating services to deliver optimum results.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 5 | 368 contacts → | ||||
Exact match “Established in 1985, Ashtead Technology has grown organically and through strategic acquisition to become the leading provider of equipment rental solutions, advanced underwater…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 6 | 363 contacts → | ||||
Exact match “Boskalis Westminster Ltd (BWL) is the leading dredging contractor in the UK and Ireland.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 7 | 339 contacts → | ||||
Exact match “Global Marine is part of the Global Marine Group, and is a market leader in subsea cable installation and maintenance solutions to the telecoms and oil & gas sectors.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 8 | 292 contacts → | ||||
Exact match “SMD is an advanced global designer and manufacturer of subsea remotely operated and autonomous power and control solutions.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 9 | 286 contacts → | ||||
Exact match “2H Offshore delivers leading-edge advanced systems engineering for all types of offshore structures in the oil and gas and renewable energy sectors.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 10 | 273 contacts → | ||||
Exact match “Underwater innovations for energy, defence and science.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 11 | 241 contacts → | ||||
Exact match “Sulmara is a global seabed intelligence company, capturing and interpreting high-quality subsea data to enable smarter offshore decisions.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 12 | 192 contacts → | ||||
Exact match “Acteon delivers data-driven, engineering-led solutions across the lifecycle of offshore energy infrastructure.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 13 | 188 contacts → | ||||
Exact match “Wilton Engineering is a multi-disciplined Engineering Services provider based on a 113 acre site by the River Tees in Middlesbrough, North-East England.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 14 | 171 contacts → | ||||
Exact match “Osbit’s vision is to unlock a clean energy future by creating smarter technology.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 15 | 167 contacts → | ||||
Exact match “Aquaterra Energy provides intelligently engineered products and services for well access and offshore developments - supporting efficient operations across the full life cycle of…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 16 | 161 contacts → | ||||
Exact match “The globally trusted delivery experts in installing and protecting critical subsea infrastructure.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 17 | 148 contacts → | ||||
Exact match “MDL - We Build Innovation.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 18 | 134 contacts → | ||||
Exact match “Interocean provide a comprehensive range of services to the offshore oil and gas, marine, and renewable sectors.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 19 | 111 contacts → | ||||
Exact match “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.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 20 | 107 contacts → | ||||
Exact match “James Fisher Offshore (JFO) is an international supplier of marine back deck, specialist subsea equipment and engineering services supporting the global subsea contractors across…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 21 | 106 contacts → | ||||
Exact match “CTS Offshore & Marine Ltd is an independent provider of engineering services tailored for energy and material markets.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 22 | 99 contacts → | ||||
Exact match “Using advanced material technology, CRP Subsea provides high integrity solutions for the harshest and most demanding offshore environments.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 23 | 98 contacts → | ||||
Exact match “Viper Innovations is a global engineering specialist delivering intelligent electrical integrity solutions that help organisations optimise performance and prevent failures before…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 24 | 89 contacts → | ||||
Exact match “Elemental Energies is a global engineering and project management business with a track record spanning more than 35 years.” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
| 25 | 88 contacts → | ||||
Exact match “Pioneering Artificial Lift & Subsea Connector Technology RMSpumptools is established as a world leader in Artificial Lift Completion Technology and Subsea Connectors, providing…” Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “subsea engineering companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 561 subsea engineering companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 5,826 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Subsea engineering companies based in the United Kingdom at a glance
As of Sep 18, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 561 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- 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
- Company records associated with the United Kingdom whose business descriptions match “subsea engineering companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 5,826 professional contacts with verified work emails across the full matched dataset. 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 18, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “subsea engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many subsea engineering companies are there based in the United Kingdom?
RevenueBase identified 561 company matches for subsea engineering companies associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Altera Infrastructure tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most subsea engineering companies?
Aberdeen leads with 108 company records, followed by London (41) and Westhill (10).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 5,826 professional contacts with verified work emails tracked across these 561 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 18, 2026.
Ready to reach these companies? Verified emails and direct dials for all 561 subsea engineering companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Subsea engineering companies by geography
- Subsea engineering companies based in Australia
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- Subsea engineering companies based in Canada
- Subsea engineering companies based in Chile
- Subsea engineering companies based in Denmark
- Subsea engineering companies based in Egypt
- Subsea engineering companies based in France
- Subsea engineering companies based in Germany
- Subsea engineering companies based in India
- Subsea engineering companies based in Indonesia
- Subsea engineering companies based in Italy
- Subsea engineering companies based in Malaysia
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Subsea engineering companies based in Australia
- Subsea engineering companies based in Brazil
- Subsea engineering companies based in Canada
- Subsea engineering companies based in Chile
- Subsea engineering companies based in Denmark
- Subsea engineering companies based in Egypt
Company intelligence · public preview
Top 25 subsea engineering companies based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 561 matching company records for subsea engineering companies based in the United Kingdom, with 14,989 tracked contacts and 5,826 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 18, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 subsea engineering companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Altera Infrastructurealterainfra.comHQ: Aberdeenshire, United KingdomReported employees: 501-1,000 | Aberdeenshire, United Kingdom | 501-1,000 | Exact match | 955 contacts → |
“Altera Infrastructure is a leading global energy infrastructure services group focused on the ownership and operation of offshore energy assets.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Ocean Infinityoceaninfinity.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 714 contacts → |
“Ocean Infinity is a technology-driven company transforming how ocean operations are carried out.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Gardline Limitedgardline.comHQ: Great Yarmouth, United KingdomReported employees: 501-1,000 | Great Yarmouth, United Kingdom | 501-1,000 | Exact match | 545 contacts → |
“Gardline is a best-in-class provider of geophysical, geotechnical and environmental marine surveys.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Boskalis Subsea Servicesboskalis.comHQ: Aberdeen, United KingdomReported employees: 201-500 | Aberdeen, United Kingdom | 201-500 | Exact match | 516 contacts → |
“Boskalis Subsea Services is a world-leading provider of specialist subsea solutions for the offshore energy industry, seamlessly integrating services to deliver optimum results.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Ashtead Technologyashtead-technology.comHQ: Westhill, United KingdomReported employees: 501-1,000 | Westhill, United Kingdom | 501-1,000 | Exact match | 368 contacts → |
“Established in 1985, Ashtead Technology has grown organically and through strategic acquisition to become the leading provider of equipment rental solutions, advanced underwater…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Boskalis Westminster LTDboskalis.co.uk HQ: Fareham, United KingdomReported employees: 51-200 | Fareham, United Kingdom | 51-200 | Exact match | 363 contacts → |
“Boskalis Westminster Ltd (BWL) is the leading dredging contractor in the UK and Ireland.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Global Marineglobalmarine.co.ukHQ: Chelmsford, United KingdomReported employees: 501-1,000 | Chelmsford, United Kingdom | 501-1,000 | Exact match | 339 contacts → |
“Global Marine is part of the Global Marine Group, and is a market leader in subsea cable installation and maintenance solutions to the telecoms and oil & gas sectors.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  SMDsmd.co.ukHQ: Wallsend, United KingdomReported employees: 51-200 | Wallsend, United Kingdom | 51-200 | Exact match | 292 contacts → |
“SMD is an advanced global designer and manufacturer of subsea remotely operated and autonomous power and control solutions.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  2h Offshore2hoffshore.comHQ: Woking, United KingdomReported employees: 201-500 | Woking, United Kingdom | 201-500 | Exact match | 286 contacts → |
“2H Offshore delivers leading-edge advanced systems engineering for all types of offshore structures in the oil and gas and renewable energy sectors.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Sonardyne International LTDsonardyne.comHQ: Yateley, United KingdomReported employees: 201-500 | Yateley, United Kingdom | 201-500 | Exact match | 273 contacts → |
“Underwater innovations for energy, defence and science.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Sulmarasulmara.comHQ: Glasgow, United KingdomReported employees: 201-500 | Glasgow, United Kingdom | 201-500 | Exact match | 241 contacts → |
“Sulmara is a global seabed intelligence company, capturing and interpreting high-quality subsea data to enable smarter offshore decisions.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Acteonacteon.comHQ: Norwich, United KingdomReported employees: 1,001-5,000 | Norwich, United Kingdom | 1,001-5,000 | Exact match | 192 contacts → |
“Acteon delivers data-driven, engineering-led solutions across the lifecycle of offshore energy infrastructure.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Wilton Engineeringwiltonengineering.co.ukHQ: Middlesbrough, United KingdomReported employees: 201-500 | Middlesbrough, United Kingdom | 201-500 | Exact match | 188 contacts → |
“Wilton Engineering is a multi-disciplined Engineering Services provider based on a 113 acre site by the River Tees in Middlesbrough, North-East England.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  OSBITosbit.comHQ: Northumberland, United KingdomReported employees: 201-500 | Northumberland, United Kingdom | 201-500 | Exact match | 171 contacts → |
“Osbit’s vision is to unlock a clean energy future by creating smarter technology.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Aquaterra Energyaquaterraenergy.comHQ: Norwich, United KingdomReported employees: 51-200 | Norwich, United Kingdom | 51-200 | Exact match | 167 contacts → |
“Aquaterra Energy provides intelligently engineered products and services for well access and offshore developments - supporting efficient operations across the full life cycle of…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Enshore Subseaenshoresubsea.comHQ: Blyth, United KingdomReported employees: 51-200 | Blyth, United Kingdom | 51-200 | Exact match | 161 contacts → |
“The globally trusted delivery experts in installing and protecting critical subsea infrastructure.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Maritime Developments Limitedmaritimedevelopments.comHQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 148 contacts → |
“MDL - We Build Innovation.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Interocean Marine Servicesinterocean.co.ukHQ: Portlethen, United KingdomReported employees: 51-200 | Portlethen, United Kingdom | 51-200 | Exact match | 134 contacts → |
“Interocean provide a comprehensive range of services to the offshore oil and gas, marine, and renewable sectors.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Derrick Services UK LTDderricksl.comHQ: Great Yarmouth, United KingdomReported employees: 51-200 | Great Yarmouth, United Kingdom | 51-200 | Exact match | 111 contacts → |
“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.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | James Fisher Offshorefisheroffshore.com HQ: Oldmeldrum, United KingdomReported employees: 51-200 | Oldmeldrum, United Kingdom | 51-200 | Exact match | 107 contacts → |
“James Fisher Offshore (JFO) is an international supplier of marine back deck, specialist subsea equipment and engineering services supporting the global subsea contractors across…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  CTS Offshore & Marinectsom.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 106 contacts → |
“CTS Offshore & Marine Ltd is an independent provider of engineering services tailored for energy and material markets.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  CRP Subseacrpsubsea.comHQ: Skelmersdale, United KingdomReported employees: 201-500 | Skelmersdale, United Kingdom | 201-500 | Exact match | 99 contacts → |
“Using advanced material technology, CRP Subsea provides high integrity solutions for the harshest and most demanding offshore environments.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Viper Innovations LTDviperinnovations.comHQ: Portishead, United KingdomReported employees: 51-200 | Portishead, United Kingdom | 51-200 | Exact match | 98 contacts → |
“Viper Innovations is a global engineering specialist delivering intelligent electrical integrity solutions that help organisations optimise performance and prevent failures before…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Elemental Energieselementalenergies.comHQ: Aberdeen, United KingdomReported employees: 201-500 | Aberdeen, United Kingdom | 201-500 | Exact match | 89 contacts → |
“Elemental Energies is a global engineering and project management business with a track record spanning more than 35 years.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Rmspumptoolsrmspumptools.com HQ: Oldmeldrum, United KingdomReported employees: 51-200 | Oldmeldrum, United Kingdom | 51-200 | Exact match | 88 contacts → |
“Pioneering Artificial Lift & Subsea Connector Technology RMSpumptools is established as a world leader in Artificial Lift Completion Technology and Subsea Connectors, providing…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 561 company matches
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Subsea engineering companies: dataset insights
September 18, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
560 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 561 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 18, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for subsea engineering companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many subsea engineering companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 561 matching company records, 14,989 tracked contacts and 5,826 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 18, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Subsea engineering companies by geography
- Subsea engineering companies based in Australia
- Subsea engineering companies based in Brazil
- Subsea engineering companies based in Canada
- Subsea engineering companies based in Chile
- Subsea engineering companies based in Denmark
- Subsea engineering companies based in Egypt
- Subsea engineering companies based in France
- Subsea engineering companies based in Germany
- Subsea engineering companies based in India
- Subsea engineering companies based in Indonesia
- Subsea engineering companies based in Italy
- Subsea engineering companies based in Malaysia
Cite this list
RevenueBase Data Team. Top 25 subsea engineering companies based in the United Kingdom. Snapshot: September 18, 2026. https://revenuebase.ai/companies/subsea-engineering-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Subsea engineering companies based in Australia
- Subsea engineering companies based in Brazil
- Subsea engineering companies based in Canada
- Subsea engineering companies based in Chile
- Subsea engineering companies based in Denmark
- Subsea engineering companies based in Egypt
Company intelligence · public preview
Top 25 subsea engineering companies based in the United Kingdom
RevenueBase records 561 matching company records for subsea engineering companies based in the United Kingdom, with 14,989 tracked contacts and 5,826 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 18, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 subsea engineering companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Altera Infrastructurealterainfra.com HQ: Aberdeenshire, United KingdomReported employees: 501-1,000 | Aberdeenshire, United Kingdom | 501-1,000 | Exact match | 955 contacts → |
“Altera Infrastructure is a leading global energy infrastructure services group focused on the ownership and operation of offshore energy assets.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ocean Infinityoceaninfinity.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 714 contacts → |
“Ocean Infinity is a technology-driven company transforming how ocean operations are carried out.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Gardline Limitedgardline.com HQ: Great Yarmouth, United KingdomReported employees: 501-1,000 | Great Yarmouth, United Kingdom | 501-1,000 | Exact match | 545 contacts → |
“Gardline is a best-in-class provider of geophysical, geotechnical and environmental marine surveys.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Boskalis Subsea Servicesboskalis.com HQ: Aberdeen, United KingdomReported employees: 201-500 | Aberdeen, United Kingdom | 201-500 | Exact match | 516 contacts → |
“Boskalis Subsea Services is a world-leading provider of specialist subsea solutions for the offshore energy industry, seamlessly integrating services to deliver optimum results.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Ashtead Technologyashtead-technology.com HQ: Westhill, United KingdomReported employees: 501-1,000 | Westhill, United Kingdom | 501-1,000 | Exact match | 368 contacts → |
“Established in 1985, Ashtead Technology has grown organically and through strategic acquisition to become the leading provider of equipment rental solutions, advanced underwater…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Boskalis Westminster LTDboskalis.co.uk HQ: Fareham, United KingdomReported employees: 51-200 | Fareham, United Kingdom | 51-200 | Exact match | 363 contacts → |
“Boskalis Westminster Ltd (BWL) is the leading dredging contractor in the UK and Ireland.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Global Marineglobalmarine.co.uk HQ: Chelmsford, United KingdomReported employees: 501-1,000 | Chelmsford, United Kingdom | 501-1,000 | Exact match | 339 contacts → |
“Global Marine is part of the Global Marine Group, and is a market leader in subsea cable installation and maintenance solutions to the telecoms and oil & gas sectors.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | SMDsmd.co.uk HQ: Wallsend, United KingdomReported employees: 51-200 | Wallsend, United Kingdom | 51-200 | Exact match | 292 contacts → |
“SMD is an advanced global designer and manufacturer of subsea remotely operated and autonomous power and control solutions.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 2h Offshore2hoffshore.com HQ: Woking, United KingdomReported employees: 201-500 | Woking, United Kingdom | 201-500 | Exact match | 286 contacts → |
“2H Offshore delivers leading-edge advanced systems engineering for all types of offshore structures in the oil and gas and renewable energy sectors.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Sonardyne International LTDsonardyne.com HQ: Yateley, United KingdomReported employees: 201-500 | Yateley, United Kingdom | 201-500 | Exact match | 273 contacts → |
“Underwater innovations for energy, defence and science.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sulmarasulmara.com HQ: Glasgow, United KingdomReported employees: 201-500 | Glasgow, United Kingdom | 201-500 | Exact match | 241 contacts → |
“Sulmara is a global seabed intelligence company, capturing and interpreting high-quality subsea data to enable smarter offshore decisions.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Acteonacteon.com HQ: Norwich, United KingdomReported employees: 1,001-5,000 | Norwich, United Kingdom | 1,001-5,000 | Exact match | 192 contacts → |
“Acteon delivers data-driven, engineering-led solutions across the lifecycle of offshore energy infrastructure.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Wilton Engineeringwiltonengineering.co.uk HQ: Middlesbrough, United KingdomReported employees: 201-500 | Middlesbrough, United Kingdom | 201-500 | Exact match | 188 contacts → |
“Wilton Engineering is a multi-disciplined Engineering Services provider based on a 113 acre site by the River Tees in Middlesbrough, North-East England.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | OSBITosbit.com HQ: Northumberland, United KingdomReported employees: 201-500 | Northumberland, United Kingdom | 201-500 | Exact match | 171 contacts → |
“Osbit’s vision is to unlock a clean energy future by creating smarter technology.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Aquaterra Energyaquaterraenergy.com HQ: Norwich, United KingdomReported employees: 51-200 | Norwich, United Kingdom | 51-200 | Exact match | 167 contacts → |
“Aquaterra Energy provides intelligently engineered products and services for well access and offshore developments - supporting efficient operations across the full life cycle of…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Enshore Subseaenshoresubsea.com HQ: Blyth, United KingdomReported employees: 51-200 | Blyth, United Kingdom | 51-200 | Exact match | 161 contacts → |
“The globally trusted delivery experts in installing and protecting critical subsea infrastructure.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Maritime Developments Limitedmaritimedevelopments.com HQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 148 contacts → |
“MDL - We Build Innovation.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Interocean Marine Servicesinterocean.co.uk HQ: Portlethen, United KingdomReported employees: 51-200 | Portlethen, United Kingdom | 51-200 | Exact match | 134 contacts → |
“Interocean provide a comprehensive range of services to the offshore oil and gas, marine, and renewable sectors.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Derrick Services UK LTDderricksl.com HQ: Great Yarmouth, United KingdomReported employees: 51-200 | Great Yarmouth, United Kingdom | 51-200 | Exact match | 111 contacts → |
“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.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | James Fisher Offshorefisheroffshore.com HQ: Oldmeldrum, United KingdomReported employees: 51-200 | Oldmeldrum, United Kingdom | 51-200 | Exact match | 107 contacts → |
“James Fisher Offshore (JFO) is an international supplier of marine back deck, specialist subsea equipment and engineering services supporting the global subsea contractors across…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | CTS Offshore & Marinectsom.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 106 contacts → |
“CTS Offshore & Marine Ltd is an independent provider of engineering services tailored for energy and material markets.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | CRP Subseacrpsubsea.com HQ: Skelmersdale, United KingdomReported employees: 201-500 | Skelmersdale, United Kingdom | 201-500 | Exact match | 99 contacts → |
“Using advanced material technology, CRP Subsea provides high integrity solutions for the harshest and most demanding offshore environments.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Viper Innovations LTDviperinnovations.com HQ: Portishead, United KingdomReported employees: 51-200 | Portishead, United Kingdom | 51-200 | Exact match | 98 contacts → |
“Viper Innovations is a global engineering specialist delivering intelligent electrical integrity solutions that help organisations optimise performance and prevent failures before…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Elemental Energieselementalenergies.com HQ: Aberdeen, United KingdomReported employees: 201-500 | Aberdeen, United Kingdom | 201-500 | Exact match | 89 contacts → |
“Elemental Energies is a global engineering and project management business with a track record spanning more than 35 years.” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Rmspumptoolsrmspumptools.com HQ: Oldmeldrum, United KingdomReported employees: 51-200 | Oldmeldrum, United Kingdom | 51-200 | Exact match | 88 contacts → |
“Pioneering Artificial Lift & Subsea Connector Technology RMSpumptools is established as a world leader in Artificial Lift Completion Technology and Subsea Connectors, providing…” Recorded description excerpt · September 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Subsea engineering companies: dataset insights
September 18, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
560 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 561 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 18, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for subsea engineering companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many subsea engineering companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 561 matching company records, 14,989 tracked contacts and 5,826 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 18, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 subsea engineering companies based in the United Kingdom. Snapshot: September 18, 2026. https://revenuebase.ai/companies/subsea-engineering-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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