Company lists · Data refreshed September 2026
Top 25 Deepwater exploration companies based in the United Kingdom
RevenueBase identified 156 company matches for deepwater exploration companies associated with the United Kingdom as of September 2026 and tracks 22,746 professional contacts across them, including 4,419 with verified work emails. Aberdeen is the largest hub.
This list covers company matches for deepwater exploration 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 19, 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 deepwater exploration companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,679 contacts → | ||||
Exact match “We Are Valaris With decades of expertise and strategic commitment built on efficiency, capability and ingenuity, our sights are continually set toward a future built with purpose…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 1,864 contacts → | ||||
Exact match “Odfjell Drilling is an international drilling company with around 1,500 employees with operations around the world.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 1,699 contacts → | ||||
Exact match “Borr Drilling Limited is an offshore shallow-water drilling contractor providing worldwide offshore drilling services to the oil and gas industry.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 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 19, 2026 · View company records in RevenueBase | |||||
| 5 | 694 contacts → | ||||
Exact match “Dolphin Drilling is the offshore drilling pioneer of the past and for the future.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 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 19, 2026 · View company records in RevenueBase | |||||
| 7 | 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 19, 2026 · View company records in RevenueBase | |||||
| 8 | 387 contacts → | ||||
Exact match “Briggs Marine is a leading provider of marine and environmental services, specialising in port and marine operations, subsea and environmental support and vessel charter.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 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 19, 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 19, 2026 · View company records in RevenueBase | |||||
| 11 | 249 contacts → | ||||
Exact match “An International Shipowning and Marine Investment Company.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 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 19, 2026 · View company records in RevenueBase | |||||
| 13 | 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 19, 2026 · View company records in RevenueBase | |||||
| 14 | 88 contacts → | ||||
Exact match “Awilco Drilling Limited was incorporated in December 2009 in connection with the acquisition of the two semi submersible drilling rigs, WilPhoenix (previously Arctic II) and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 75 contacts → | ||||
Exact match “Holyhead Towing Company (Est.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 74 contacts → | ||||
Exact match “EGS International Ltd (EGSi) is part of a leading international group of companies specialising in marine surveys.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 55 contacts → | ||||
Exact match “First Marine Solutions is a leading international energy service and equipment organisation with operations worldwide, We provide expertise, technology, techniques and support…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 44 contacts → | ||||
Exact match “Marine Contractors specialising in: Marine Civil Engineering and Construction.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 41 contacts → | ||||
Exact match “Spectrum specialises in the provision of combined marine survey and crew transfer vessel services to the offshore construction industry.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 33 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 30 contacts → | ||||
Exact match “Marine Power Systems’ core platform solution, PelaFlex, includes both hybrid and fully floating variants, designed to operate across a wide range of water depths.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 30 contacts → | ||||
Exact match “We specialise in the hire and operation of marine seismic and geophysical systems, marine geotechnical systems, and compressors.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 30 contacts → | ||||
Exact match “Our global organic talent allows us to deliver specialized knowledge and solutions for offshore operations to our clients around the world.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 28 contacts → | ||||
Exact match “Aratellus was founded in 2020 to deliver the world’s most advanced seabed investigation and intervention solutions for offshore energy.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 19 contacts → | ||||
Exact match “We help all businesses in the offshore energy sector understand the seabed, navigate its challenges, and develop clear and cost-effective solutions.” Recorded in the RevenueBase company graph · Sep 19, 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 “deepwater exploration 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 156 deepwater exploration companies based in the United Kingdom
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Deepwater exploration companies based in the United Kingdom at a glance
As of Sep 19, 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 156 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 “deepwater exploration 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 4,419 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 19, 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 “deepwater exploration companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many deepwater exploration companies are there based in the United Kingdom?
RevenueBase identified 156 company matches for deepwater exploration 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?
Ensco PLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most deepwater exploration companies?
Aberdeen leads with 27 company records, followed by London (27) and Lowestoft (5).
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 4,419 professional contacts with verified work emails tracked across these 156 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 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 156 deepwater exploration companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
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- Deepwater exploration companies based in France
- Deepwater exploration companies based in India
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Deepwater exploration companies based in Argentina
- Deepwater exploration companies based in Australia
- Deepwater exploration companies based in Brazil
- Deepwater exploration companies based in Canada
- Deepwater exploration companies based in Colombia
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Company intelligence · public preview
Top 25 deepwater exploration 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 156 matching company records for deepwater exploration companies based in the United Kingdom, with 22,746 tracked contacts and 4,419 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 19, 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 deepwater exploration 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 |  Ensco PLCvalaris.comHQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 2,679 contacts → |
“We Are Valaris With decades of expertise and strategic commitment built on efficiency, capability and ingenuity, our sights are continually set toward a future built with purpose…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Odfjell Drillingodfjelldrilling.comHQ: Aberdeen, United KingdomReported employees: 1,001-5,000 | Aberdeen, United Kingdom | 1,001-5,000 | Exact match | 1,864 contacts → |
“Odfjell Drilling is an international drilling company with around 1,500 employees with operations around the world.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Borr Drillingborrdrilling.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,699 contacts → |
“Borr Drilling Limited is an offshore shallow-water drilling contractor providing worldwide offshore drilling services to the oil and gas industry.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Dolphin Drillingdolphindrilling.comHQ: Aberdeen, United KingdomReported employees: 201-500 | Aberdeen, United Kingdom | 201-500 | Exact match | 694 contacts → |
“Dolphin Drilling is the offshore drilling pioneer of the past and for the future.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Briggs Marinebriggsmarine.comHQ: Burntisland, United KingdomReported employees: 501-1,000 | Burntisland, United Kingdom | 501-1,000 | Exact match | 387 contacts → |
“Briggs Marine is a leading provider of marine and environmental services, specialising in port and marine operations, subsea and environmental support and vessel charter.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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 19, 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Cyan Sentinel Limitedsentinel-marine.comHQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 249 contacts → |
“An International Shipowning and Marine Investment Company.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Awilco Drillingawilcodrilling.comHQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 88 contacts → |
“Awilco Drilling Limited was incorporated in December 2009 in connection with the acquisition of the two semi submersible drilling rigs, WilPhoenix (previously Arctic II) and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Holyhead Towing Co. LTDholyheadtowing.co.ukHQ: Holyhead, United KingdomReported employees: 51-200 | Holyhead, United Kingdom | 51-200 | Exact match | 75 contacts → |
“Holyhead Towing Company (Est.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  EGS Internationalegssurvey.comHQ: Bordon, United KingdomReported employees: 51-200 | Bordon, United Kingdom | 51-200 | Exact match | 74 contacts → |
“EGS International Ltd (EGSi) is part of a leading international group of companies specialising in marine surveys.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  First Marine Solutionsfirstmarinesolutions.comHQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 55 contacts → |
“First Marine Solutions is a leading international energy service and equipment organisation with operations worldwide, We provide expertise, technology, techniques and support…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  GPS Marine Contractors LTDgpsmarine.co.ukHQ: Rochester, United KingdomReported employees: 51-200 | Rochester, United Kingdom | 51-200 | Exact match | 44 contacts → |
“Marine Contractors specialising in: Marine Civil Engineering and Construction.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Spectrumspectrum-offshore.com HQ: Lymington, United KingdomReported employees: 11-50 | Lymington, United Kingdom | 11-50 | Exact match | 41 contacts → |
“Spectrum specialises in the provision of combined marine survey and crew transfer vessel services to the offshore construction industry.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  TIS Manufacturingtis-manufacturing.comHQ: Aberdeen, United KingdomReported employees: 11-50 | Aberdeen, United Kingdom | 11-50 | Exact match | 33 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Marine Power Systems LTD MPSmarinepowersystems.co.ukHQ: Swansea, United KingdomReported employees: 11-50 | Swansea, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Marine Power Systems’ core platform solution, PelaFlex, includes both hybrid and fully floating variants, designed to operate across a wide range of water depths.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  EELeel.worldHQ: Beccles, United KingdomReported employees: 11-50 | Beccles, United Kingdom | 11-50 | Exact match | 30 contacts → |
“We specialise in the hire and operation of marine seismic and geophysical systems, marine geotechnical systems, and compressors.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Indepth Internationalindepth-international.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Our global organic talent allows us to deliver specialized knowledge and solutions for offshore operations to our clients around the world.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Aratellusaratellus.comHQ: Aberdeenshire, United KingdomReported employees: 11-50 | Aberdeenshire, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Aratellus was founded in 2020 to deliver the world’s most advanced seabed investigation and intervention solutions for offshore energy.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Inosysinosys.co.uk HQ: Bath, United KingdomReported employees: 11-50 | Bath, United Kingdom | 11-50 | Exact match | 19 contacts → |
“We help all businesses in the offshore energy sector understand the seabed, navigate its challenges, and develop clear and cost-effective solutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 156 company matches
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Deepwater exploration companies: dataset insights
September 19, 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
154 records in the displayed employee bands.
2 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 156 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 19, 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 deepwater exploration 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 deepwater exploration companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 156 matching company records, 22,746 tracked contacts and 4,419 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 19, 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
Deepwater exploration companies by geography
- Deepwater exploration companies based in Argentina
- Deepwater exploration companies based in Australia
- Deepwater exploration companies based in Brazil
- Deepwater exploration companies based in Canada
- Deepwater exploration companies based in Colombia
- Deepwater exploration companies based in Egypt
- Deepwater exploration companies based in France
- Deepwater exploration companies based in India
- Deepwater exploration companies based in Indonesia
- Deepwater exploration companies based in Italy
- Deepwater exploration companies based in Malaysia
- Deepwater exploration companies based in Mexico
Cite this list
RevenueBase Data Team. Top 25 deepwater exploration companies based in the United Kingdom. Snapshot: September 19, 2026. https://revenuebase.ai/companies/deepwater-exploration-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
- Deepwater exploration companies based in Argentina
- Deepwater exploration companies based in Australia
- Deepwater exploration companies based in Brazil
- Deepwater exploration companies based in Canada
- Deepwater exploration companies based in Colombia
- Deepwater exploration companies based in Egypt
Company intelligence · public preview
Top 25 deepwater exploration companies based in the United Kingdom
RevenueBase records 156 matching company records for deepwater exploration companies based in the United Kingdom, with 22,746 tracked contacts and 4,419 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 19, 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 deepwater exploration 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 | Ensco PLCvalaris.com HQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 2,679 contacts → |
“We Are Valaris With decades of expertise and strategic commitment built on efficiency, capability and ingenuity, our sights are continually set toward a future built with purpose…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Odfjell Drillingodfjelldrilling.com HQ: Aberdeen, United KingdomReported employees: 1,001-5,000 | Aberdeen, United Kingdom | 1,001-5,000 | Exact match | 1,864 contacts → |
“Odfjell Drilling is an international drilling company with around 1,500 employees with operations around the world.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Borr Drillingborrdrilling.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,699 contacts → |
“Borr Drilling Limited is an offshore shallow-water drilling contractor providing worldwide offshore drilling services to the oil and gas industry.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Dolphin Drillingdolphindrilling.com HQ: Aberdeen, United KingdomReported employees: 201-500 | Aberdeen, United Kingdom | 201-500 | Exact match | 694 contacts → |
“Dolphin Drilling is the offshore drilling pioneer of the past and for the future.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Briggs Marinebriggsmarine.com HQ: Burntisland, United KingdomReported employees: 501-1,000 | Burntisland, United Kingdom | 501-1,000 | Exact match | 387 contacts → |
“Briggs Marine is a leading provider of marine and environmental services, specialising in port and marine operations, subsea and environmental support and vessel charter.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 19, 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Cyan Sentinel Limitedsentinel-marine.com HQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 249 contacts → |
“An International Shipowning and Marine Investment Company.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Awilco Drillingawilcodrilling.com HQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 88 contacts → |
“Awilco Drilling Limited was incorporated in December 2009 in connection with the acquisition of the two semi submersible drilling rigs, WilPhoenix (previously Arctic II) and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Holyhead Towing Co. LTDholyheadtowing.co.uk HQ: Holyhead, United KingdomReported employees: 51-200 | Holyhead, United Kingdom | 51-200 | Exact match | 75 contacts → |
“Holyhead Towing Company (Est.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | EGS Internationalegssurvey.com HQ: Bordon, United KingdomReported employees: 51-200 | Bordon, United Kingdom | 51-200 | Exact match | 74 contacts → |
“EGS International Ltd (EGSi) is part of a leading international group of companies specialising in marine surveys.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | First Marine Solutionsfirstmarinesolutions.com HQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 55 contacts → |
“First Marine Solutions is a leading international energy service and equipment organisation with operations worldwide, We provide expertise, technology, techniques and support…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | GPS Marine Contractors LTDgpsmarine.co.uk HQ: Rochester, United KingdomReported employees: 51-200 | Rochester, United Kingdom | 51-200 | Exact match | 44 contacts → |
“Marine Contractors specialising in: Marine Civil Engineering and Construction.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Spectrumspectrum-offshore.com HQ: Lymington, United KingdomReported employees: 11-50 | Lymington, United Kingdom | 11-50 | Exact match | 41 contacts → |
“Spectrum specialises in the provision of combined marine survey and crew transfer vessel services to the offshore construction industry.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | TIS Manufacturingtis-manufacturing.com HQ: Aberdeen, United KingdomReported employees: 11-50 | Aberdeen, United Kingdom | 11-50 | Exact match | 33 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Marine Power Systems LTD MPSmarinepowersystems.co.uk HQ: Swansea, United KingdomReported employees: 11-50 | Swansea, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Marine Power Systems’ core platform solution, PelaFlex, includes both hybrid and fully floating variants, designed to operate across a wide range of water depths.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | EELeel.world HQ: Beccles, United KingdomReported employees: 11-50 | Beccles, United Kingdom | 11-50 | Exact match | 30 contacts → |
“We specialise in the hire and operation of marine seismic and geophysical systems, marine geotechnical systems, and compressors.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Indepth Internationalindepth-international.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Our global organic talent allows us to deliver specialized knowledge and solutions for offshore operations to our clients around the world.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Aratellusaratellus.com HQ: Aberdeenshire, United KingdomReported employees: 11-50 | Aberdeenshire, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Aratellus was founded in 2020 to deliver the world’s most advanced seabed investigation and intervention solutions for offshore energy.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Inosysinosys.co.uk HQ: Bath, United KingdomReported employees: 11-50 | Bath, United Kingdom | 11-50 | Exact match | 19 contacts → |
“We help all businesses in the offshore energy sector understand the seabed, navigate its challenges, and develop clear and cost-effective solutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 156 company matches
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Deepwater exploration companies: dataset insights
September 19, 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
154 records in the displayed employee bands.
2 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 156 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 19, 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 deepwater exploration 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 deepwater exploration companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 156 matching company records, 22,746 tracked contacts and 4,419 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 19, 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 deepwater exploration companies based in the United Kingdom. Snapshot: September 19, 2026. https://revenuebase.ai/companies/deepwater-exploration-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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