Company lists · Data refreshed November 2026

Top 25 Underwater decommissioning services based in the United Kingdom

RevenueBase identified 159 company matches for underwater decommissioning services associated with the United Kingdom as of November 2026 and tracks 3,621 professional contacts across them, including 1,201 with verified work emails. Aberdeen is the largest hub.

This list covers company matches for underwater decommissioning services 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
159Companies
3,621Contacts tracked
1,201Verified emails
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The 25 largest underwater decommissioning services based in the United Kingdom

Ranked by team size
Top 25 of 159 company matches for underwater decommissioning services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchAberdeen, United KingdomHQ recorded Nov 6, 2026201-500564 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
2Exact matchChelmsford, United KingdomHQ recorded Nov 6, 2026501-1,000371 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
3Exact matchBlyth, United KingdomHQ recorded Nov 6, 202651-200190 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
4Exact matchGlasgow, United KingdomHQ recorded Nov 6, 202651-200150 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
5Exact matchSandbank, United KingdomHQ recorded Nov 6, 202651-20093 contacts →

Exact match

“Founded in 1992, Shearwater Marine Services have since grown to become a highly respected topside and sub-surface marine engineering service provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchTonbridge, United KingdomHQ recorded Nov 6, 202651-20083 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
7Exact matchOldmeldrum, United KingdomHQ recorded Nov 6, 202651-20081 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
8Exact matchEllon, United KingdomHQ recorded Nov 6, 202651-20071 contacts →

Exact match

“Film-Ocean provides innovative subsea solutions to the global offshore energy industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBolton, United KingdomHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“Founded in 1990 and acquired by Veolia in 2018, KDC Veolia has established itself as a leading specialist in end-of-asset-life solutions, providing comprehensive decommissioning…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchPontypridd, United KingdomHQ recorded Nov 6, 202651-20056 contacts →

Exact match

“EDWARDS DIVING SERVICES LIMITED (EDS) is a specialist Marine & Civil Engineering company located in South Wales, United Kingdom.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchRochester, United KingdomHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“Marine Contractors specialising in: Marine Civil Engineering and Construction.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchAberdeen, United KingdomHQ recorded Nov 6, 202611-5047 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
13Exact matchCaterham, United KingdomHQ recorded Nov 6, 202611-5045 contacts →

Exact match

“We are a specialist contractor providing a unique range of deconstruction, environmental and decommissioning services based on experience, innovation and a commitment to customer…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAberdeen, United KingdomHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“NMC Energy is a dynamic and fast growing company at the forefront of the energy sector, building strong, collaborative partnerships with customers across the UK, Europe, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBromborough, United KingdomHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“With a production and manufacturing facility in Bromborough, Wirral and an engineering office based in Knaphill, Surrey, Deepsea Technologies UK Ltd provides both diver-less and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchKirkwall, United KingdomHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“Leask Marine provide an unprecedented range of uniquely developed processes and equipment to support the mobilisation, deployment, installation, commissioning, service and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchGlenrothes, United KingdomHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Utility ROV is a Subsea Operations Business offering innovative and practical specialist ROV services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchInsch, United KingdomHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“RockSalt Subsea Ltd are Commercial Diving & Remotely Operated Vehicle (ROV) specialists, delivering engineering support and Technical Authority services to the offshore energy and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLinton, United KingdomHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Diving, Survey and Marine Contracting (DSMC).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchWesthill, United KingdomHQ recorded Nov 6, 202651-20021 contacts →

Exact match

“Fairfield Energy is a long established and experienced operator that is now building expertise in North Sea oil and gas decommissioning.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHull, United KingdomHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Established in 1963, Northern Divers are the oldest established commercial divers in the UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBarrow-in-furness, United KingdomHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Diving & Marine civil engineering contractor”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchGrimsby, United KingdomHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“REDS provides specialist access and engineering services to marine and energy industries worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchChiswick, United KingdomHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Herbosch Kiere Marine Contractors Ltd is the UK subsidiary of Herbosch-Kiere NV, a leading European marine engineering company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPenryn, United KingdomHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Since forming in 1978 Falmouth Divers has become one of Europe's leading multi-discipline diving, subsea and marine civil engineering contractors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 159 underwater decommissioning services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,201 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Underwater decommissioning services based in the United Kingdom at a glance

As of Nov 6, 2026
33.2%Verified-email coverage
22.8Average contacts per company
11-50Median size (employees)
14.5%Largest-city concentration · Aberdeen
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
73
11-50
50
51-200
22
201-500
7
501-1,000
2

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 159 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 “underwater decommissioning services” 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 1,201 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.

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 “underwater decommissioning services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many underwater decommissioning services are there based in the United Kingdom?

RevenueBase identified 159 company matches for underwater decommissioning services 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 underwater decommissioning services?

Aberdeen leads with 23 company records, followed by London (6) and Westhill (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 1,201 professional contacts with verified work emails tracked across these 159 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 159 underwater decommissioning services based in the United Kingdom. Start with a free account, no credit card.

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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.