Company lists · Data refreshed November 2026
Top 25 Subsea well completion contractors based in the United Kingdom
RevenueBase identified 127 company matches for subsea well completion contractors associated with the United Kingdom as of November 2026 and tracks 10,127 professional contacts across them, including 3,426 with verified work emails. Aberdeen is the largest hub.
This list covers company matches for subsea well completion contractors 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 November 6, 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 well completion contractors based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 564 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 371 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 190 contacts → | ||||
Exact match “The globally trusted delivery experts in installing and protecting critical subsea infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 162 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 150 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 83 contacts → | ||||
Exact match “Jee is a leading independent multi-discipline subsea engineering and training company, delivering integrated services to the oil, gas and renewables industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 81 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 61 contacts → | ||||
Exact match “Offshore Marine Management Holdings is a leading group of companies specialising in the delivery of subsea solutions to the offshore renewables, grid, telecommunications and oil &…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 47 contacts → | ||||
Exact match “With over 30 years' experience; First Subsea are a trusted provider of subsea products for the offshore wind, oil and gas industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 47 contacts → | ||||
Exact match “KD Marine are a commercial diving contractor providing underwater intervention services to the offshore oil and gas industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 44 contacts → | ||||
Exact match “Omega Well Intervention is an innovative technology developer who design, engineer and manufacture downhole well Intervention tools for the global Oil and Gas industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 41 contacts → | ||||
Exact match “GoreVega supports the global oil and gas industry by providing valuable technical expertise for operators and service companies at each stage of a well’s lifecycle, from drilling…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 38 contacts → | ||||
Exact match “We provide innovative engineering and technology-led solutions to meet the needs of our customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 35 contacts → | ||||
Exact match “TIS Manufacturing is a specialist in the design, manufacture, refurbishment and rental of well service and subsea control equipment for the oil and gas industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 28 contacts → | ||||
Exact match “Wellvene is an innovative design engineering and manufacturing company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 23 contacts → | ||||
Exact match “J+S Subsea provides proactive, responsive, and cost-effective solutions for design, engineering, operational support and maintenance of subsea equipment, primarily related to the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 20 contacts → | ||||
Exact match “Interventek is an award winning subsea engineering business based in Aberdeen, providing technically advanced well intervention solutions to the global upstream oil and gas market.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 20 contacts → | ||||
Exact match “Located in Scotland, UMS Flowell provide competitively priced, high quality products and services to oilfield customers all over the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 20 contacts → | ||||
Exact match “Islay Subsurface & Engineering Ltd was founded in 2010 by Iain Whyte to provide support to oil and gas operators, and their partners.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 20 contacts → | ||||
Exact match “Subtec Pro Ltd are an independent company, made up of a group of experienced, professional subsea engineers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 18 contacts → | ||||
Exact match “Diving & Marine civil engineering contractor” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 15 contacts → | ||||
Exact match “OceanTools is a world leading subsea engineering company specialising in the design and manufacture of equipment for the professional offshore and underwater markets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 14 contacts → | ||||
Exact match “Cfi is a leader in Offshore and subsea engineering, delivering projects in Nigeria, UK, and Mainland Europe.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 13 contacts → | ||||
Exact match “Tool Tec is an award winning global supplier to the offshore oil and gas industry providing in-house design, development and manufacture of standard and customised remote…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 12 contacts → | ||||
Exact match “Wireline | Interventions | Drilling | MLWD – Operations Assurance: At one & zero, we are committed to driving unparalleled performance and delivering exceptional results in…” Recorded in the RevenueBase company graph · Nov 6, 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 well completion contractors”. 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 127 subsea well completion contractors based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 3,426 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Subsea well completion contractors based in the United Kingdom at a glance
As of Nov 6, 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 127 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 well completion contractors” 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 3,426 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 November 6, 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.
Subsea well completion contractors by metro
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 well completion contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many subsea well completion contractors are there based in the United Kingdom?
RevenueBase identified 127 company matches for subsea well completion contractors associated with the United Kingdom as of November 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?
Boskalis Subsea Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most subsea well completion contractors?
Aberdeen leads with 41 company records, followed by London (7) and Dyce (6).
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 3,426 professional contacts with verified work emails tracked across these 127 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 127 subsea well completion contractors based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Subsea well completion contractors by geography
- Subsea well completion contractors based in Aberdeen, United Kingdom
- Subsea well completion contractors based in Houston, United States
- Subsea well completion contractors based in Canada
- Subsea well completion contractors based in Malaysia
- Subsea well completion contractors based in Nigeria
- Subsea well completion contractors based in Norway
- Subsea well completion contractors based in the United Arab Emirates
- Subsea well completion contractors based in the United States
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 well completion contractors based in Aberdeen, United Kingdom
- Subsea well completion contractors based in Houston, United States
- Subsea well completion contractors based in Canada
- Subsea well completion contractors based in Malaysia
- Subsea well completion contractors based in Nigeria
- Subsea well completion contractors based in Norway
Company intelligence · public preview
Top 25 subsea well completion contractors 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 127 matching company records for subsea well completion contractors based in the United Kingdom, with 10,127 tracked contacts and 3,426 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: November 6, 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 well completion contractors 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 |  Boskalis Subsea Servicesboskalis.comHQ: Aberdeen, United KingdomReported employees: 201-500 | Aberdeen, United Kingdom | 201-500 | Exact match | 564 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Global Marineglobalmarine.co.ukHQ: Chelmsford, United KingdomReported employees: 501-1,000 | Chelmsford, United Kingdom | 501-1,000 | Exact match | 371 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Enshore Subseaenshoresubsea.comHQ: Blyth, United KingdomReported employees: 51-200 | Blyth, United Kingdom | 51-200 | Exact match | 190 contacts → |
“The globally trusted delivery experts in installing and protecting critical subsea infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Aquaterra Energyaquaterraenergy.comHQ: Norwich, United KingdomReported employees: 51-200 | Norwich, United Kingdom | 51-200 | Exact match | 162 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Interocean Marine Servicesinterocean.co.ukHQ: Glasgow, United KingdomReported employees: 51-200 | Glasgow, United Kingdom | 51-200 | Exact match | 150 contacts → |
“Interocean provide a comprehensive range of services to the offshore oil and gas, marine, and renewable sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  JEEjee.co.ukHQ: Tonbridge, United KingdomReported employees: 51-200 | Tonbridge, United Kingdom | 51-200 | Exact match | 83 contacts → |
“Jee is a leading independent multi-discipline subsea engineering and training company, delivering integrated services to the oil, gas and renewables industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | James Fisher Offshorefisheroffshore.com HQ: Oldmeldrum, United KingdomReported employees: 51-200 | Oldmeldrum, United Kingdom | 51-200 | Exact match | 81 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Offshore Marine Management Holdings LTDoffshoremm.comHQ: Bristol, United KingdomReported employees: 11-50 | Bristol, United Kingdom | 11-50 | Exact match | 61 contacts → |
“Offshore Marine Management Holdings is a leading group of companies specialising in the delivery of subsea solutions to the offshore renewables, grid, telecommunications and oil &…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  First Subseafirstsubsea.comHQ: Lancaster, United KingdomReported employees: 51-200 | Lancaster, United Kingdom | 51-200 | Exact match | 47 contacts → |
“With over 30 years' experience; First Subsea are a trusted provider of subsea products for the offshore wind, oil and gas industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  KD Marine LTDkdmarine.comHQ: Aberdeen, United KingdomReported employees: 11-50 | Aberdeen, United Kingdom | 11-50 | Exact match | 47 contacts → |
“KD Marine are a commercial diving contractor providing underwater intervention services to the offshore oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Omega Well Interventionomega-intervention.comHQ: Dyce, United KingdomReported employees: 51-200 | Dyce, United Kingdom | 51-200 | Exact match | 44 contacts → |
“Omega Well Intervention is an innovative technology developer who design, engineer and manufacture downhole well Intervention tools for the global Oil and Gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Gorevegagorevega.comHQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 41 contacts → |
“GoreVega supports the global oil and gas industry by providing valuable technical expertise for operators and service companies at each stage of a well’s lifecycle, from drilling…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Costain Upstream LTDcostain.comHQ: Aberdeen, United KingdomReported employees: 201-500 | Aberdeen, United Kingdom | 201-500 | Exact match | 38 contacts → |
“We provide innovative engineering and technology-led solutions to meet the needs of our customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  TIS Manufacturingtis-manufacturing.comHQ: Aberdeen, United KingdomReported employees: 11-50 | Aberdeen, United Kingdom | 11-50 | Exact match | 35 contacts → |
“TIS Manufacturing is a specialist in the design, manufacture, refurbishment and rental of well service and subsea control equipment for the oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Wellvenewellvene.comHQ: Aberdeen, United KingdomReported employees: 1-10 | Aberdeen, United Kingdom | 1-10 | Exact match | 28 contacts → |
“Wellvene is an innovative design engineering and manufacturing company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  J S Subseajands.co.ukHQ: Dyce, United KingdomReported employees: 11-50 | Dyce, United Kingdom | 11-50 | Exact match | 23 contacts → |
“J+S Subsea provides proactive, responsive, and cost-effective solutions for design, engineering, operational support and maintenance of subsea equipment, primarily related to the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Interventek Subsea Engineeringinterventek.comHQ: Aberdeen, United KingdomReported employees: 11-50 | Aberdeen, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Interventek is an award winning subsea engineering business based in Aberdeen, providing technically advanced well intervention solutions to the global upstream oil and gas market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  UMS Flowellumsflowell.comHQ: Turriff, United KingdomReported employees: 11-50 | Turriff, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Located in Scotland, UMS Flowell provide competitively priced, high quality products and services to oilfield customers all over the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Islay Subsurface & Engineering LTDislaysubsurface.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 20 contacts → |
“Islay Subsurface & Engineering Ltd was founded in 2010 by Iain Whyte to provide support to oil and gas operators, and their partners.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Subtecpro LTDsubtecpro.comHQ: Glasgow, United KingdomReported employees: 11-50 | Glasgow, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Subtec Pro Ltd are an independent company, made up of a group of experienced, professional subsea engineers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Underwater Diving Services LTDuds.co.ukHQ: Barrow-in-furness, United KingdomReported employees: 11-50 | Barrow-in-furness, United Kingdom | 11-50 | Exact match | 18 contacts → |
“Diving & Marine civil engineering contractor” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Oceantools LTDoceantools.co.ukHQ: Aberdeen, United KingdomReported employees: 11-50 | Aberdeen, United Kingdom | 11-50 | Exact match | 15 contacts → |
“OceanTools is a world leading subsea engineering company specialising in the design and manufacture of equipment for the professional offshore and underwater markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  CFI Servicescfi-services.co.ukHQ: United KingdomReported employees: 11-50 | United Kingdom | 11-50 | Exact match | 14 contacts → |
“Cfi is a leader in Offshore and subsea engineering, delivering projects in Nigeria, UK, and Mainland Europe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Tool TECtooltecltd.comHQ: Inverurie, United KingdomReported employees: 11-50 | Inverurie, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Tool Tec is an award winning global supplier to the offshore oil and gas industry providing in-house design, development and manufacture of standard and customised remote…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  One&zerooneandzero.co.ukHQ: Aberdeen, United KingdomReported employees: 11-50 | Aberdeen, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Wireline | Interventions | Drilling | MLWD – Operations Assurance: At one & zero, we are committed to driving unparalleled performance and delivering exceptional results in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 127 company matches
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Subsea well completion contractors: dataset insights
November 6, 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
123 records in the displayed employee bands.
4 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 127 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: November 6, 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 ↗
Subsea well completion contractors by metro
Questions about this company list
What does Exact match mean for subsea well completion contractors?
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 well completion contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 127 matching company records, 10,127 tracked contacts and 3,426 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: November 6, 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 well completion contractors by geography
- Subsea well completion contractors based in Aberdeen, United Kingdom
- Subsea well completion contractors based in Houston, United States
- Subsea well completion contractors based in Canada
- Subsea well completion contractors based in Malaysia
- Subsea well completion contractors based in Nigeria
- Subsea well completion contractors based in Norway
- Subsea well completion contractors based in the United Arab Emirates
- Subsea well completion contractors based in the United States
Cite this list
RevenueBase Data Team. Top 25 subsea well completion contractors based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/subsea-well-completion-contractors/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 well completion contractors based in Aberdeen, United Kingdom
- Subsea well completion contractors based in Houston, United States
- Subsea well completion contractors based in Canada
- Subsea well completion contractors based in Malaysia
- Subsea well completion contractors based in Nigeria
- Subsea well completion contractors based in Norway
Company intelligence · public preview
Top 25 subsea well completion contractors based in the United Kingdom
RevenueBase records 127 matching company records for subsea well completion contractors based in the United Kingdom, with 10,127 tracked contacts and 3,426 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: November 6, 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 well completion contractors 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 | Boskalis Subsea Servicesboskalis.com HQ: Aberdeen, United KingdomReported employees: 201-500 | Aberdeen, United Kingdom | 201-500 | Exact match | 564 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Global Marineglobalmarine.co.uk HQ: Chelmsford, United KingdomReported employees: 501-1,000 | Chelmsford, United Kingdom | 501-1,000 | Exact match | 371 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Enshore Subseaenshoresubsea.com HQ: Blyth, United KingdomReported employees: 51-200 | Blyth, United Kingdom | 51-200 | Exact match | 190 contacts → |
“The globally trusted delivery experts in installing and protecting critical subsea infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Aquaterra Energyaquaterraenergy.com HQ: Norwich, United KingdomReported employees: 51-200 | Norwich, United Kingdom | 51-200 | Exact match | 162 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Interocean Marine Servicesinterocean.co.uk HQ: Glasgow, United KingdomReported employees: 51-200 | Glasgow, United Kingdom | 51-200 | Exact match | 150 contacts → |
“Interocean provide a comprehensive range of services to the offshore oil and gas, marine, and renewable sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | JEEjee.co.uk HQ: Tonbridge, United KingdomReported employees: 51-200 | Tonbridge, United Kingdom | 51-200 | Exact match | 83 contacts → |
“Jee is a leading independent multi-discipline subsea engineering and training company, delivering integrated services to the oil, gas and renewables industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | James Fisher Offshorefisheroffshore.com HQ: Oldmeldrum, United KingdomReported employees: 51-200 | Oldmeldrum, United Kingdom | 51-200 | Exact match | 81 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Offshore Marine Management Holdings LTDoffshoremm.com HQ: Bristol, United KingdomReported employees: 11-50 | Bristol, United Kingdom | 11-50 | Exact match | 61 contacts → |
“Offshore Marine Management Holdings is a leading group of companies specialising in the delivery of subsea solutions to the offshore renewables, grid, telecommunications and oil &…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | First Subseafirstsubsea.com HQ: Lancaster, United KingdomReported employees: 51-200 | Lancaster, United Kingdom | 51-200 | Exact match | 47 contacts → |
“With over 30 years' experience; First Subsea are a trusted provider of subsea products for the offshore wind, oil and gas industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | KD Marine LTDkdmarine.com HQ: Aberdeen, United KingdomReported employees: 11-50 | Aberdeen, United Kingdom | 11-50 | Exact match | 47 contacts → |
“KD Marine are a commercial diving contractor providing underwater intervention services to the offshore oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Omega Well Interventionomega-intervention.com HQ: Dyce, United KingdomReported employees: 51-200 | Dyce, United Kingdom | 51-200 | Exact match | 44 contacts → |
“Omega Well Intervention is an innovative technology developer who design, engineer and manufacture downhole well Intervention tools for the global Oil and Gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Gorevegagorevega.com HQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 41 contacts → |
“GoreVega supports the global oil and gas industry by providing valuable technical expertise for operators and service companies at each stage of a well’s lifecycle, from drilling…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Costain Upstream LTDcostain.com HQ: Aberdeen, United KingdomReported employees: 201-500 | Aberdeen, United Kingdom | 201-500 | Exact match | 38 contacts → |
“We provide innovative engineering and technology-led solutions to meet the needs of our customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | TIS Manufacturingtis-manufacturing.com HQ: Aberdeen, United KingdomReported employees: 11-50 | Aberdeen, United Kingdom | 11-50 | Exact match | 35 contacts → |
“TIS Manufacturing is a specialist in the design, manufacture, refurbishment and rental of well service and subsea control equipment for the oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Wellvenewellvene.com HQ: Aberdeen, United KingdomReported employees: 1-10 | Aberdeen, United Kingdom | 1-10 | Exact match | 28 contacts → |
“Wellvene is an innovative design engineering and manufacturing company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | J S Subseajands.co.uk HQ: Dyce, United KingdomReported employees: 11-50 | Dyce, United Kingdom | 11-50 | Exact match | 23 contacts → |
“J+S Subsea provides proactive, responsive, and cost-effective solutions for design, engineering, operational support and maintenance of subsea equipment, primarily related to the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Interventek Subsea Engineeringinterventek.com HQ: Aberdeen, United KingdomReported employees: 11-50 | Aberdeen, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Interventek is an award winning subsea engineering business based in Aberdeen, providing technically advanced well intervention solutions to the global upstream oil and gas market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | UMS Flowellumsflowell.com HQ: Turriff, United KingdomReported employees: 11-50 | Turriff, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Located in Scotland, UMS Flowell provide competitively priced, high quality products and services to oilfield customers all over the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Islay Subsurface & Engineering LTDislaysubsurface.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 20 contacts → |
“Islay Subsurface & Engineering Ltd was founded in 2010 by Iain Whyte to provide support to oil and gas operators, and their partners.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Subtecpro LTDsubtecpro.com HQ: Glasgow, United KingdomReported employees: 11-50 | Glasgow, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Subtec Pro Ltd are an independent company, made up of a group of experienced, professional subsea engineers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Underwater Diving Services LTDuds.co.uk HQ: Barrow-in-furness, United KingdomReported employees: 11-50 | Barrow-in-furness, United Kingdom | 11-50 | Exact match | 18 contacts → |
“Diving & Marine civil engineering contractor” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Oceantools LTDoceantools.co.uk HQ: Aberdeen, United KingdomReported employees: 11-50 | Aberdeen, United Kingdom | 11-50 | Exact match | 15 contacts → |
“OceanTools is a world leading subsea engineering company specialising in the design and manufacture of equipment for the professional offshore and underwater markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | CFI Servicescfi-services.co.uk HQ: United KingdomReported employees: 11-50 | United Kingdom | 11-50 | Exact match | 14 contacts → |
“Cfi is a leader in Offshore and subsea engineering, delivering projects in Nigeria, UK, and Mainland Europe.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Tool TECtooltecltd.com HQ: Inverurie, United KingdomReported employees: 11-50 | Inverurie, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Tool Tec is an award winning global supplier to the offshore oil and gas industry providing in-house design, development and manufacture of standard and customised remote…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | One&zerooneandzero.co.uk HQ: Aberdeen, United KingdomReported employees: 11-50 | Aberdeen, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Wireline | Interventions | Drilling | MLWD – Operations Assurance: At one & zero, we are committed to driving unparalleled performance and delivering exceptional results in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 127 company matches
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Subsea well completion contractors: dataset insights
November 6, 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
123 records in the displayed employee bands.
4 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 127 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: November 6, 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 ↗
Subsea well completion contractors by metro
Questions about this company list
What does Exact match mean for subsea well completion contractors?
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 well completion contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 127 matching company records, 10,127 tracked contacts and 3,426 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: November 6, 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 well completion contractors by geography
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Cite this list
RevenueBase Data Team. Top 25 subsea well completion contractors based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/subsea-well-completion-contractors/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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