Company lists · Data refreshed October 2026

Top 25 Deepwater engineering firms based in the United Kingdom

RevenueBase identified 532 company matches for deepwater engineering firms associated with the United Kingdom as of October 2026 and tracks 25,840 professional contacts across them, including 5,484 with verified work emails. Aberdeen is the largest hub.

This list covers company matches for deepwater engineering firms 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 October 11, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 11, 2026 How this list was built
532Companies
25,840Contacts tracked
5,484Verified emails
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The 25 largest deepwater engineering firms based in the United Kingdom

Ranked by team size
Top 25 of 532 company matches for deepwater engineering firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Oct 11, 20265,001-10,0002,887 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 · Oct 11, 2026 · View company records in RevenueBase
2Exact matchAberdeen, United KingdomHQ recorded Oct 11, 20261,001-5,0001,894 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 · Oct 11, 2026 · View company records in RevenueBase
3Exact matchAberdeenshire, United KingdomHQ recorded Oct 11, 2026501-1,000922 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 · Oct 11, 2026 · View company records in RevenueBase
4Exact matchAberdeen, United KingdomHQ recorded Oct 11, 2026201-500756 contacts →

Exact match

“Dolphin Drilling is the offshore drilling pioneer of the past and for the future.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
5Exact matchLeatherhead, United KingdomHQ recorded Oct 11, 2026501-1,000702 contacts →

Exact match

“KBR Consulting is one of the world's foremost engineering consultancies specializing in the hydrocarbon and energy industry.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6Exact matchAberdeen, United KingdomHQ recorded Oct 11, 2026501-1,000592 contacts →

Exact match

“PD & MS Group has full multi-discipline in-house EPCC capability and is recognised as a provider of safe, effective, and cost efficient design and engineering services to onshore…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7Exact matchGreat Yarmouth, United KingdomHQ recorded Oct 11, 2026501-1,000565 contacts →

Exact match

“Gardline is a best-in-class provider of geophysical, geotechnical and environmental marine surveys.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8Exact matchAberdeen, United KingdomHQ recorded Oct 11, 2026201-500558 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 · Oct 11, 2026 · View company records in RevenueBase
9Exact matchFareham, United KingdomHQ recorded Oct 11, 202651-200390 contacts →

Exact match

“Boskalis Westminster Ltd (BWL) is the leading dredging contractor in the UK and Ireland.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10Exact matchWoking, United KingdomHQ recorded Oct 11, 2026201-500299 contacts →

Exact match

“2H Offshore delivers leading-edge advanced systems engineering for all types of offshore structures in the oil and gas and renewable energy sectors.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11Exact matchPembrokeshire, United KingdomHQ recorded Oct 11, 2026501-1,000280 contacts →

Exact match

“Ledwood is an independent engineering, fabrication and construction company specialising in the delivery of complex projects across the oil, gas, process and energy industries.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12Exact matchGreat Yarmouth, United KingdomHQ recorded Oct 11, 2026201-500279 contacts →

Exact match

“Claxton, an AF Gruppen Company, combines decades of industry experience, proprietary technology, and exceptional service quality to cut through offshore installation and…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13Exact matchNorthumberland, United KingdomHQ recorded Oct 11, 2026201-500191 contacts →

Exact match

“Osbit’s vision is to unlock a clean energy future by creating smarter technology.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Oct 11, 202651-200188 contacts →

Exact match

“The Engineering Consultants.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15Exact matchNorwich, United KingdomHQ recorded Oct 11, 20261,001-5,000186 contacts →

Exact match

“Acteon delivers data-driven, engineering-led solutions across the lifecycle of offshore energy infrastructure.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16Exact matchThornaby-on-tees, United KingdomHQ recorded Oct 11, 2026201-500186 contacts →

Exact match

“Eastgate Engineering is an Electrical and Instrumentation contractor that delivers complex, high-risk infrastructure projects with cost certainty, without compromising safety or…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17Exact matchMiddlesbrough, United KingdomHQ recorded Oct 11, 2026201-500185 contacts →

Exact match

“Wilton Engineering is a multi-disciplined Engineering Services provider based on a 113 acre site by the River Tees in Middlesbrough, North-East England.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18Exact matchBlyth, United KingdomHQ recorded Oct 11, 202651-200180 contacts →

Exact match

“The globally trusted delivery experts in installing and protecting critical subsea infrastructure.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19Exact matchPort Glasgow, United KingdomHQ recorded Oct 11, 2026201-500170 contacts →

Exact match

“Ferguson Marine (Port Glasgow) Limited is Scotland's leading company in new build, refit and ship repair.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20Exact matchNorwich, United KingdomHQ recorded Oct 11, 202651-200160 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 · Oct 11, 2026 · View company records in RevenueBase
21Exact matchLowestoft, United KingdomHQ recorded Oct 11, 2026n/a159 contacts →

Exact match

“Seatrium Offshore Renewable Services Ltd (Seatrium ORS) has over 55 years of unparalleled expertise and experience in the offshore energy industry.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22Exact matchAberdeen, United KingdomHQ recorded Oct 11, 202651-200144 contacts →

Exact match

“MDL - We Build Innovation.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23Exact matchAberdeen, United KingdomHQ recorded Oct 11, 202651-200132 contacts →

Exact match

“Apollo is a leading engineering and advisory consultancy working across sustainable infrastructure, marine energies, oil and gas, technical placements and digital solutions.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24Exact matchKintore, United KingdomHQ recorded Oct 11, 202611-50132 contacts →

Exact match

“RELIABLE | RESOURCEFUL | READY We continually raise the bar by challenging ourselves and our clients to enable safe and efficient performance.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25Exact matchSmall Dole, United KingdomHQ recorded Oct 11, 202651-200124 contacts →

Exact match

“Mackley provides a comprehensive range of services from conception through construction to project delivery.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase

Showing 25 of 532 deepwater engineering firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 5,484 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Deepwater engineering firms based in the United Kingdom at a glance

As of Oct 11, 2026
21.2%Verified-email coverage
48.6Average contacts per company
11-50Median size (employees)
17.3%Largest-city concentration · Aberdeen
Oct 11, 2026Page data refreshed

Companies by employee count

1-10
261
11-50
153
51-200
68
201-500
25
501-1,000
12
1,001-5,000
8
5,001-10,000
2
10001+
1

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 532 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 engineering firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 5,484 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 October 11, 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 engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many deepwater engineering firms are there based in the United Kingdom?

RevenueBase identified 532 company matches for deepwater engineering firms associated with the United Kingdom as of October 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 engineering firms?

Aberdeen leads with 92 company records, followed by London (61) and Glasgow (8).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 5,484 professional contacts with verified work emails tracked across these 532 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 October 11, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.