Company lists · Data refreshed September 2026

Top 23 Underwater sensor manufacturers based in the United Kingdom

RevenueBase identified 43 underwater sensor manufacturers headquartered in the United Kingdom as of September 2026 and tracks 630 professional contacts across them, including 259 with verified work emails. Aberdeen is the largest hub.

This list covers underwater sensor manufacturers 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 19, 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 19, 2026 86% judged on-target in blind review
43Companies
630Contacts tracked
259Verified emails
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The 23 largest underwater sensor manufacturers based in the United Kingdom

Ranked by team size
Top 23 of 43 underwater sensor manufacturers based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to underwater sensor manufacturers: 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 evidenceStokesley, United KingdomHQ checked Sep 19, 202651-20093 contacts →

Partial evidence

“Analox is a world leader in the research, development and manufacturing of gas sensing products.”

Source: RevenueBase Database · checked Sep 19, 2026
2Partial evidenceTotnes, United KingdomHQ checked Sep 19, 202651-20043 contacts →

Partial evidence

“Valeport is an independently owned manufacturer of Oceanographic & Hydrometric Equipment and Instrumentation.”

Source: RevenueBase Database · checked Sep 19, 2026
3Partial evidenceEdinburgh, United KingdomHQ checked Sep 19, 202651-20041 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 19, 2026
4Partial evidenceYateley, United KingdomHQ checked Sep 19, 202651-20032 contacts →

Partial evidence

“We solve the environmental challenges of today and tomorrow, designing and manufacturing best-in-class sensing solutions to make oceans, rivers and lakes safer and cleaner.) Deep…”

Source: RevenueBase Database · checked Sep 19, 2026
5Partial evidenceBury St Edmunds, United KingdomHQ checked Sep 19, 202651-20028 contacts →

Partial evidence

“Established in 1992, Geosense Ltd is one of Europe’s leading manufacturers and suppliers of instruments to the geotechnical, civil engineering, mining and environmental industries.”

Source: RevenueBase Database · checked Sep 19, 2026
6Strong evidenceCoatbridge, United KingdomHQ checked Sep 19, 202651-20027 contacts →

Strong evidence

“At SST Sensing Ltd, our experienced and professional employees design and manufacture a range of Fluid and Gas Sensing Solutions and have supplied these products to industry for…”

Source: RevenueBase Database · checked Sep 19, 2026
7Indirect evidenceMalton, United KingdomHQ checked Sep 19, 202611-5020 contacts →

Indirect evidence

“Leading specialists in subsea control solutions and instrumentation, Zetechtics proudly celebrate over 30 years of providing the best technical solutions to work in the harshest…”

Source: RevenueBase Database · checked Sep 19, 2026
8Indirect evidenceGreat Yarmouth, United KingdomHQ checked Sep 19, 202611-5020 contacts →

Indirect evidence

“Excellence in Sound.”

Source: RevenueBase Database · checked Sep 19, 2026
9Partial evidenceLancaster, United KingdomHQ checked Sep 19, 202611-5019 contacts →

Partial evidence

“OTAQ is a manufacturer of hi-tech products and solutions for the offshore energy, oceanographic and diving industries.”

Source: RevenueBase Database · checked Sep 19, 2026
10Partial evidenceLow Wood, United KingdomHQ checked Sep 19, 202611-5018 contacts →

Partial evidence

“Driven by innovation, Blueprint Subsea's leading range of compact, robust, intuitive and affordable underwater acoustic products have been meeting the rigorous demands of the…”

Source: RevenueBase Database · checked Sep 19, 2026
11Strong evidenceBristol, United KingdomHQ checked Sep 19, 202611-5013 contacts →

Strong evidence

“Founded in 1975, Biral designs and manufactures high quality meteorological sensors for use in industrial, research and monitoring applications.”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceRomsey, United KingdomHQ checked Sep 19, 202611-5012 contacts →

Indirect evidence

“Safe, reliable water depends on what happens inside the pipe, and that’s where Intellitect makes the difference.”

Source: RevenueBase Database · checked Sep 19, 2026
13Partial evidenceBasingstoke, United KingdomHQ checked Sep 19, 202611-5011 contacts →

Partial evidence

“We create award-winning technologies, services, and solutions to monitor, analyse, and protect underwater life, environments and assets.”

Source: RevenueBase Database · checked Sep 19, 2026
14Strong evidenceAberdeen, United KingdomHQ checked Sep 19, 202611-5011 contacts →

Strong evidence

“Impact Subsea designs and manufactures innovative, high-performance underwater sensing solutions, specialising in sonars, altimeters, depth sensors, attitude and heading reference…”

Source: RevenueBase Database · checked Sep 19, 2026
15Partial evidenceSouthampton, United KingdomHQ checked Sep 19, 20261-108 contacts →

Partial evidence

“SouthWestSensor Ltd ('SWS') is a Southampton, UK, based provider of advanced microfluidic sensor solutions for the water industry.”

Source: RevenueBase Database · checked Sep 19, 2026
16Partial evidenceMilton Keynes, United KingdomHQ checked Sep 19, 20261-108 contacts →

Partial evidence

“For many years, StrainSense has been a trusted and reliable supplier of specialist sensors and instrumentation products.”

Source: RevenueBase Database · checked Sep 19, 2026
17Partial evidenceCottingham, United KingdomHQ checked Sep 19, 20261-108 contacts →

Partial evidence

Underwater monitoring solutions for commercial fishing and marine research.”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidenceNorwich, United KingdomHQ checked Sep 19, 202611-508 contacts →

Indirect evidence

“It's been our mission here at seneye to protect the world's aquatic life for over a decade; we have animal welfare at our core and environmental protection is fundamental to this.”

Source: RevenueBase Database · checked Sep 19, 2026
19Partial evidenceChilworth, United KingdomHQ checked Sep 19, 202611-505 contacts →

Partial evidence

“Inflowmatix provides state-of-the-art pressure sensors and software analytics to water utilities worldwide.”

Source: RevenueBase Database · checked Sep 19, 2026
20Partial evidenceCheltenham, United KingdomHQ checked Sep 19, 202611-504 contacts →

Partial evidence

“Positek specialises in high performance, customisable position sensors for arduous, hazardous and subsea applications.”

Source: RevenueBase Database · checked Sep 19, 2026
21Partial evidenceAberdeen, United KingdomHQ checked Sep 19, 20261-104 contacts →

Partial evidence

“At Krona Subsea, we design and deliver subsea electronics that drive exploration, effcicieny, safety and reduction of the environmental impact in the harshest underwater…”

Source: RevenueBase Database · checked Sep 19, 2026
22Partial evidenceSurbiton, United KingdomHQ checked Sep 19, 20261-101 contacts →

Partial evidence

“ETLG Ltd.(Explorocean & Inertial Aerosystems) was incorporated in 1990 to provide sales of electronic sensors and systems for oceanography, marine, offshore and land based…”

Source: RevenueBase Database · checked Sep 19, 2026
23Strong evidencePeterhead, United KingdomHQ checked Sep 19, 20261-101 contacts →

Strong evidence

“Marport designs and manufactures catch control and net monitoring sensors, echo sounders, current profilers and sonar for the world’s fishing fleet.”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 23 of 43 underwater sensor manufacturers based in the United Kingdom

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Underwater sensor manufacturers based in the United Kingdom at a glance

As of Sep 19, 2026
41.1%Verified-email coverage
14.7Average contacts per company
11-50Median size (employees)
4.7%Largest-city concentration · Aberdeen
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
17
11-50
17
51-200
9

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 43 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 sensor manufacturers, 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 sensor manufacturers”. 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 sensor manufacturers), 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 sensor manufacturers, 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, 259 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 19, 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 sensor manufacturers, 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 sensor manufacturers are there based in the United Kingdom?

RevenueBase identified 43 underwater sensor manufacturers 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?

Analox Group, headquartered in Stokesley, tops this list with the largest team on record.

Which city has the most underwater sensor manufacturers?

Aberdeen leads with 2 headquartered companies, followed by Great Yarmouth (2) and Amotherby Malton (1).

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 259 verified decision-maker contacts tracked across these 43 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 19, 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.