Company lists · Data refreshed September 2026

Top 25 Subsea cable installation services based in the United Kingdom

RevenueBase identified 178 subsea cable installation services headquartered in the United Kingdom as of September 2026 and tracks 5,452 professional contacts across them, including 2,159 with verified work emails. Aberdeen is the largest hub.

This list covers subsea cable installation services headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 22, 2026 86% judged on-target in blind review
178Companies
5,452Contacts tracked
2,159Verified emails
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The 25 largest subsea cable installation services based in the United Kingdom

Ranked by team size
Top 25 of 178 subsea cable installation services based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to subsea cable installation services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceAberdeen, United KingdomHQ checked Sep 22, 2026201-500516 contacts →

Partial evidence

“Boskalis Subsea Services is a world-leading provider of specialist subsea solutions for the offshore energy industry, seamlessly integrating services to deliver optimum results.”

Source: RevenueBase Database · checked Sep 22, 2026
2Strong evidenceChelmsford, United KingdomHQ checked Sep 22, 2026501-1,000339 contacts →

Strong evidence

“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.”

Source: RevenueBase Database · checked Sep 22, 2026
3Partial evidenceWallsend, United KingdomHQ checked Sep 22, 202651-200292 contacts →

Partial evidence

“SMD is an advanced global designer and manufacturer of subsea remotely operated and autonomous power and control solutions.”

Source: RevenueBase Database · checked Sep 22, 2026
4Indirect evidenceNorthumberland, United KingdomHQ checked Sep 22, 2026201-500171 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
5Partial evidenceBlyth, United KingdomHQ checked Sep 22, 202651-200161 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
6Partial evidenceErith, United KingdomHQ checked Sep 22, 2026201-500154 contacts →

Partial evidence

“Batt Cables has been a trusted name in cable distribution since 1952.”

Source: RevenueBase Database · checked Sep 22, 2026
7Indirect evidencePortlethen, United KingdomHQ checked Sep 22, 202651-200134 contacts →

Indirect evidence

“Interocean provide a comprehensive range of services to the offshore oil and gas, marine, and renewable sectors.”

Source: RevenueBase Database · checked Sep 22, 2026
8Strong evidenceAberdeen, United KingdomHQ checked Sep 22, 202651-20071 contacts →

Strong evidence

“With over 40 years of experience, at Hydro Group we specialise in the manufacture of bespoke subsea cable and connector assembly engineering for some of the most demanding…”

Source: RevenueBase Database · checked Sep 22, 2026
9Strong evidenceChelmsford, United KingdomHQ checked Sep 22, 202651-20070 contacts →

Strong evidence

“The Global Marine Group is a leading independent provider of submarine cable solutions offering a broad range of services including consultancy, installation and maintenance…”

Source: RevenueBase Database · checked Sep 22, 2026
10Partial evidenceBristol, United KingdomHQ checked Sep 22, 202611-5060 contacts →

Partial evidence

“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 &…”

Source: RevenueBase Database · checked Sep 22, 2026
11Indirect evidenceBromborough, United KingdomHQ checked Sep 22, 2026201-50052 contacts →

Indirect evidence

“Land and Marine Engineering Limited, a part of the Murphy Group of companies is an international engineering and construction company.”

Source: RevenueBase Database · checked Sep 22, 2026
12Indirect evidencePontypridd, United KingdomHQ checked Sep 22, 202651-20046 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
13Partial evidenceLancaster, United KingdomHQ checked Sep 22, 202651-20041 contacts →

Partial evidence

“With over 30 years' experience; First Subsea are a trusted provider of subsea products for the offshore wind, oil and gas industries.”

Source: RevenueBase Database · checked Sep 22, 2026
14Strong evidenceWoking, United KingdomHQ checked Sep 22, 202651-20039 contacts →

Strong evidence

“Peritus International provides world-leading subsea pipeline, umbilical, riser and cable engineering.”

Source: RevenueBase Database · checked Sep 22, 2026
15Strong evidenceRomsey, United KingdomHQ checked Sep 22, 202611-5029 contacts →

Strong evidence

“A-2-Sea Solutions Ltd is a global telecommunications cable shore end and shallow water installation organisation.”

Source: RevenueBase Database · checked Sep 22, 2026
16Indirect evidenceAberdeenshire, United KingdomHQ checked Sep 22, 202611-5028 contacts →

Indirect evidence

“Aratellus was founded in 2020 to deliver the world’s most advanced seabed investigation and intervention solutions for offshore energy.”

Source: RevenueBase Database · checked Sep 22, 2026
17Strong evidenceRipon, United KingdomHQ checked Sep 22, 202651-20025 contacts →

Strong evidence

“F B Taylor (Cable Contractors) Ltd is a leading specialist cable installation sub-contractor, delivering projects across the UK, Europe, and the Middle East.”

Source: RevenueBase Database · checked Sep 22, 2026
18Partial evidenceDyce, United KingdomHQ checked Sep 22, 202611-5023 contacts →

Partial evidence

“J+S Subsea provides proactive, responsive, and cost-effective solutions for design, engineering, operational support and maintenance of subsea equipment, primarily related to the…”

Source: RevenueBase Database · checked Sep 22, 2026
19Partial evidenceCleveland, United KingdomHQ checked Sep 22, 202611-5022 contacts →

Partial evidence

“Correll services are an Electrical installation company serving in the offshore/onshore industry.”

Source: RevenueBase Database · checked Sep 22, 2026
20Indirect evidenceLinton, United KingdomHQ checked Sep 22, 202611-5020 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
21Indirect evidenceGrimsby, United KingdomHQ checked Sep 22, 202611-5018 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
22Partial evidenceTeesside, United KingdomHQ checked Sep 22, 202611-5015 contacts →

Partial evidence

“Nationwide telecommunication installation services-Civils -TRR/Cabling -Blowing Fibre -Overhead -Splicing and testing -Home installs -E2E Trunk -ERS”

Source: RevenueBase Database · checked Sep 22, 2026
23Partial evidencePenryn, United KingdomHQ checked Sep 22, 20261-1014 contacts →

Partial evidence

“Specialising in delivering safe, bespoke equipment and operational support for the offshore wind, marine construction, geotechnical drilling and subsea industries.”

Source: RevenueBase Database · checked Sep 22, 2026
24Partial evidenceMinety, United KingdomHQ checked Sep 22, 202611-5014 contacts →

Partial evidence

“Pelagian, an OEG Renewables company is a leading provider of subsea engineering strategy and expertise around the globe.”

Source: RevenueBase Database · checked Sep 22, 2026
25Partial evidenceGreat Chesterford, United KingdomHQ checked Sep 22, 202651-20013 contacts →

Partial evidence

“Suppliers & manufacturers of submarine cables, connectors & hydrophone array systems for the underwater and nuclear industries.”

Source: RevenueBase Database · checked Sep 22, 2026

Showing 25 of 178 subsea cable installation services based in the United Kingdom

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Subsea cable installation services based in the United Kingdom at a glance

As of Sep 22, 2026
39.6%Verified-email coverage
30.6Average contacts per company
11-50Median size (employees)
8.4%Largest-city concentration · Aberdeen
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
81
11-50
57
51-200
23
201-500
9
501-1,000
3
1,001-5,000
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 178 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among subsea cable installation services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United Kingdom whose own description of what they do matches “subsea cable installation services”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names subsea cable installation services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among subsea cable installation services, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 2,159 across the full list. 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 22, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names subsea cable installation services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many subsea cable installation services are there based in the United Kingdom?

RevenueBase identified 178 subsea cable installation services headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Boskalis Subsea Services, headquartered in Aberdeen, tops this list with the largest team on record.

Which city has the most subsea cable installation services?

Aberdeen leads with 15 headquartered companies, followed by London (10) and Chelmsford (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,159 verified decision-maker contacts tracked across these 178 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 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 Smart Search, 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.