Company lists · Data refreshed September 2026

Top 25 Underwater structural inspection equipment based in the United Kingdom

Name: Underwater structural inspection equipment based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 144 companies tracked

RevenueBase identified 144 underwater structural inspection equipment headquartered in the United Kingdom as of September 2026 and tracks 3,688 professional contacts across them, including 1,681 with verified work emails. Aberdeen is the largest hub.

This list covers underwater structural inspection equipment 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

144Companies

3,688Contacts tracked

1,681Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest underwater structural inspection equipment based in the United Kingdom

Ranked by team size

Top 25 of 144 underwater structural inspection equipment 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 underwater structural inspection equipment: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Ashtead Technology	Strong evidence	Westhill, United KingdomHQ checked Sep 22, 2026	501-1,000	368 contacts →
	Strong evidence “Established in 1985, Ashtead Technology has grown organically and through strategic acquisition to become the leading provider of equipment rental solutions, advanced underwater…” Source: RevenueBase Database · checked Sep 22, 2026
2	James Fisher Offshore	Partial evidence	Oldmeldrum, United KingdomHQ checked Sep 22, 2026	51-200	107 contacts →
	Partial evidence “James Fisher Offshore (JFO) is an international supplier of marine back deck, specialist subsea equipment and engineering services supporting the global subsea contractors across…” Source: RevenueBase Database · checked Sep 22, 2026
3	Shearwater Marine Services	Indirect evidence	Sandbank, United KingdomHQ checked Sep 22, 2026	51-200	87 contacts →
	Indirect evidence “Founded in 1992, Shearwater Marine Services have since grown to become a highly respected topside and sub-surface marine engineering service provider.” Source: RevenueBase Database · checked Sep 22, 2026
4	Film-Ocean	Indirect evidence	Ellon, United KingdomHQ checked Sep 22, 2026	51-200	68 contacts →
	Indirect evidence “Film-Ocean provides innovative subsea solutions to the global offshore energy industry.” Source: RevenueBase Database · checked Sep 22, 2026
5	Pulse Structural Monitoring	Partial evidence	Wokingham, United KingdomHQ checked Sep 22, 2026	51-200	47 contacts →
	Partial evidence “Pulse structural monitoring is part of Acteon Group, and is the leader in the marine structural monitoring and has been responsible for the provision of highly successful…” Source: RevenueBase Database · checked Sep 22, 2026
6	Edwards Diving Services LTD	Indirect evidence	Pontypridd, United KingdomHQ checked Sep 22, 2026	51-200	46 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
7	Coda Octopus Products	Partial evidence	Edinburgh, United KingdomHQ checked Sep 22, 2026	51-200	41 contacts →
	Partial evidence “Coda Octopus is a global leader and specialist in underwater technologies including being the patent holder for the real-time 3D sonar, the Echoscope®.” Source: RevenueBase Database · checked Sep 22, 2026
8	Deepsea Technologies	Indirect evidence	Bromborough, United KingdomHQ checked Sep 22, 2026	11-50	39 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 22, 2026
9	AISUS	Partial evidence	Aberdeen, United KingdomHQ checked Sep 22, 2026	11-50	36 contacts →
	Partial evidence “AISUS provides advanced remote inspection solutions to address critical challenges in topsides, substructure, and subsea infrastructure.” Source: RevenueBase Database · checked Sep 22, 2026
10	Centurion Subsea Services	Indirect evidence	Aberdeen, United KingdomHQ checked Sep 22, 2026	11-50	31 contacts →
	Indirect evidence “Centurion Subsea Services delivers ground-breaking solutions to your toughest subsea challenges, providing cutting-edge shallow water ROV technology, innovative design…” Source: RevenueBase Database · checked Sep 22, 2026
11	Utility ROV Services LTD	Indirect evidence	Glenrothes, United KingdomHQ checked Sep 22, 2026	11-50	30 contacts →
	Indirect evidence “Utility ROV is a Subsea Operations Business offering innovative and practical specialist ROV services.” Source: RevenueBase Database · checked Sep 22, 2026
12	Indepth International	Indirect evidence	London, United KingdomHQ checked Sep 22, 2026	11-50	30 contacts →
	Indirect evidence “Our global organic talent allows us to deliver specialized knowledge and solutions for offshore operations to our clients around the world.” Source: RevenueBase Database · checked Sep 22, 2026
13	Rocksalt Subsea LTD	Indirect evidence	Insch, United KingdomHQ checked Sep 22, 2026	11-50	22 contacts →
	Indirect evidence “RockSalt Subsea Ltd are Commercial Diving & Remotely Operated Vehicle (ROV) specialists, delivering engineering support and Technical Authority services to the offshore energy and…” Source: RevenueBase Database · checked Sep 22, 2026
14	Atlantas Marine Limited	Indirect evidence	Yeovil, United KingdomHQ checked Sep 22, 2026	11-50	21 contacts →
	Indirect evidence “Established in Atlantas Marine are the UK’s only authorised sales and service distributor for both VideoRay and Ocean Modules remotely operated vehicles (ROVs).” Source: RevenueBase Database · checked Sep 22, 2026
15	Namaka Subsea	Indirect evidence	Aberdeen, United KingdomHQ checked Sep 22, 2026	11-50	20 contacts →
	Indirect evidence “Namaka Subsea is an established global subject matter expert who specialise in Diving and ROV operations, offering innovative solutions to ensure Client requirements and…” Source: RevenueBase Database · checked Sep 22, 2026
16	Dsmc.Uk Diving, Survey And Marine Contracting	Indirect evidence	Linton, United KingdomHQ checked Sep 22, 2026	11-50	20 contacts →
	Indirect evidence “Diving, Survey and Marine Contracting (DSMC).” Source: RevenueBase Database · checked Sep 22, 2026
17	Otaq Connectors	Indirect evidence	Lancaster, United KingdomHQ checked Sep 22, 2026	11-50	19 contacts →
	Indirect evidence “OTAQ is a manufacturer of hi-tech products and solutions for the offshore energy, oceanographic and diving industries.” Source: RevenueBase Database · checked Sep 22, 2026
18	Northern Divers ENG LTD	Indirect evidence	Hull, United KingdomHQ checked Sep 22, 2026	11-50	19 contacts →
	Indirect evidence “Established in 1963, Northern Divers are the oldest established commercial divers in the UK.” Source: RevenueBase Database · checked Sep 22, 2026
19	Reach Engineering & Diving Services LTD Reds	Indirect evidence	Grimsby, United KingdomHQ checked Sep 22, 2026	11-50	18 contacts →
	Indirect evidence “REDS provides specialist access and engineering services to marine and energy industries worldwide.” Source: RevenueBase Database · checked Sep 22, 2026
20	Digital Edge Subsea	Partial evidence	Dalton In Furness, United KingdomHQ checked Sep 22, 2026	11-50	16 contacts →
	Partial evidence “DIGITAL EDGE SUBSEA LIMITED is a business supplies and equipment company based out of Standsure House, Dalton in Furness, United Kingdom.” Source: RevenueBase Database · checked Sep 22, 2026
21	Constructex	Indirect evidence	Fareham, United KingdomHQ checked Sep 22, 2026	11-50	16 contacts →
	Indirect evidence “Constructex is a specialist maritime contractor.” Source: RevenueBase Database · checked Sep 22, 2026
22	Falmouth Divers LTD	Indirect evidence	Penryn, United KingdomHQ checked Sep 22, 2026	11-50	15 contacts →
	Indirect evidence “Since forming in 1978 Falmouth Divers has become one of Europe's leading multi-discipline diving, subsea and marine civil engineering contractors.” Source: RevenueBase Database · checked Sep 22, 2026
23	Commercial & Specialised Diving LTD	Indirect evidence	Ferndown, United KingdomHQ checked Sep 22, 2026	11-50	15 contacts →
	Indirect evidence “Over the past decade the company has provided a wide range of services across the professional diving arena and has always provided a quality, professional, friendly service at a…” Source: RevenueBase Database · checked Sep 22, 2026
24	HPR ROV	Partial evidence	Inverurie, United KingdomHQ checked Sep 22, 2026	1-10	14 contacts →
	Partial evidence “HPR ROV is a specialist ROV inspection company providing systems and personnel for the offshore Oil & Gas and Renewables industry.” Source: RevenueBase Database · checked Sep 22, 2026
25	Underwater Diving Services LTD	Indirect evidence	Barrow-in-furness, United KingdomHQ checked Sep 22, 2026	11-50	14 contacts →
	Indirect evidence “Diving & Marine civil engineering contractor” Source: RevenueBase Database · checked Sep 22, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: underwater structural inspection equipment. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names underwater structural inspection equipment.
Partial evidence: Its own public description names part of underwater structural inspection equipment, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name underwater structural inspection equipment. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 144 underwater structural inspection equipment based in the United Kingdom

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,681 reachable decision-makers.

Free signup · no credit card

View the full list →

Underwater structural inspection equipment based in the United Kingdom at a glance

As of Sep 22, 2026

45.6%Verified-email coverage

25.6Average contacts per company

1-10Median size (employees)

14.6%Largest-city concentration · Aberdeen

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 144 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 underwater structural inspection equipment, 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 “underwater structural inspection equipment”. 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 underwater structural inspection equipment), 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 underwater structural inspection equipment, 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, 1,681 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 underwater structural inspection equipment, 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 underwater structural inspection equipment are there based in the United Kingdom?

RevenueBase identified 144 underwater structural inspection equipment 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?

Ashtead Technology, headquartered in Westhill, tops this list with the largest team on record.

Which city has the most underwater structural inspection equipment?

Aberdeen leads with 21 headquartered companies, followed by Edinburgh (5) and Westhill (5).

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 1,681 verified decision-maker contacts tracked across these 144 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.

Ready to reach these companies? Verified emails and direct dials for all 144 underwater structural inspection equipment based in the United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

Underwater structural inspection equipment by geography

Browse the directory

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.