Company lists · Data refreshed September 2026

Top 25 Seafloor mapping companies based in the United Kingdom

RevenueBase identified 85 company matches for seafloor mapping companies associated with the United Kingdom as of September 2026 and tracks 1,985 professional contacts across them, including 886 with verified work emails. Aberdeen is the largest hub.

This list covers company matches for seafloor mapping companies 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 September 22, 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 Sep 22, 2026 How this list was built
85Companies
1,985Contacts tracked
886Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest seafloor mapping companies based in the United Kingdom

Ranked by team size
Top 25 of 85 company matches for seafloor mapping companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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 matchGreat Yarmouth, United KingdomHQ recorded Sep 22, 2026501-1,000545 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchAberdeen, United KingdomHQ recorded Sep 22, 2026201-500490 contacts →

Exact match

“UTEC, Acteon’s Geo-services business line, harnesses data to optimise designs, save time and maximise your project’s economic value by providing a holistic understanding of the…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchGlasgow, United KingdomHQ recorded Sep 22, 2026201-500241 contacts →

Exact match

“Sulmara is a global seabed intelligence company, capturing and interpreting high-quality subsea data to enable smarter offshore decisions.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchBordon, United KingdomHQ recorded Sep 22, 202651-20074 contacts →

Exact match

“EGS International Ltd (EGSi) is part of a leading international group of companies specialising in marine surveys.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchEdinburgh, United KingdomHQ recorded Sep 22, 202651-20041 contacts →

Exact match

“Coda Octopus is a global leader and specialist in underwater technologies including being the patent holder for the real-time 3D sonar, the Echoscope®.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchLymington, United KingdomHQ recorded Sep 22, 202611-5041 contacts →

Exact match

“Spectrum specialises in the provision of combined marine survey and crew transfer vessel services to the offshore construction industry.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchBeccles, United KingdomHQ recorded Sep 22, 202611-5030 contacts →

Exact match

“We specialise in the hire and operation of marine seismic and geophysical systems, marine geotechnical systems, and compressors.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchAberdeenshire, United KingdomHQ recorded Sep 22, 202611-5028 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchAberdeenshire, United KingdomHQ recorded Sep 22, 202651-20028 contacts →

Exact match

“For over 25 years, Triton Software (Formerly Pisys Marine) is one of a leading company in marine domain providing the software, services and data solutions to its customers in the…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchIrvine, United KingdomHQ recorded Sep 22, 202611-5027 contacts →

Exact match

“Aspect Land & Hydrographic Surveys Ltd are one of the UK’s leading independent coastal survey companies, with extensive experience and a proven track record in providing…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchSheffield, United KingdomHQ recorded Sep 22, 202611-5022 contacts →

Exact match

“CHERSOFT design high quality marine data management solutions.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchHamble-le-rice, United KingdomHQ recorded Sep 22, 202611-5020 contacts →

Exact match

“SAND Geophysics Ltd.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchGreat Yarmouth, United KingdomHQ recorded Sep 22, 202611-5020 contacts →

Exact match

“Excellence in Sound.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchLinton, United KingdomHQ recorded Sep 22, 202611-5020 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 22, 202611-5019 contacts →

Exact match

“Seismic data processing imaging Land/Marine/OBC/OBN Velocity model building Fullwaveform inversion”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchDarlington, United KingdomHQ recorded Sep 22, 2026201-50017 contacts →

Exact match

“Modus is now Manta.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchPortsmouth, United KingdomHQ recorded Sep 22, 202611-5017 contacts →

Exact match

“We help ocean scientists and engineers explore further and discover more by providing powerful technologies and unparalleled expertise.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchAlton, United KingdomHQ recorded Sep 22, 202611-5016 contacts →

Exact match

“Trusted marine data solutions for confident decisions.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchExeter, United KingdomHQ recorded Sep 22, 202611-5012 contacts →

Exact match

“We revolutionise ocean data collection with a fleet of battery-electric and battery-hybrid Uncrewed Surface Vessels (USVs), cutting carbon intensity by ~97%.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchBath, United KingdomHQ recorded Sep 22, 20261-1012 contacts →

Exact match

“Bluefield Geoservices was established in 2018 to provide the ocean industries with a fresh approach to offshore geotechnical survey.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchOban, United KingdomHQ recorded Sep 22, 202611-5011 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchStanley Industrial Estate, United KingdomHQ recorded Sep 22, 20261-1011 contacts →

Exact match

“SEP Hydrographic Limited was established in 2020 to meet the growing demand for a complete land and marine survey solution.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchHayle, United KingdomHQ recorded Sep 22, 202611-5010 contacts →

Exact match

“Ultrabeam is a multi-award-winning company specialising in high-definition marine survey and asset inspection.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchAberdeen, United KingdomHQ recorded Sep 22, 202611-5010 contacts →

Exact match

“DOF Management AS DOF was founded in 1981 and is today an international group of companies which owns and operates a modern fleet of offshore-/subsea vessels and owns engineering…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchTattenhall, United KingdomHQ recorded Sep 22, 20261-109 contacts →

Exact match

“Hydrofix specialises in providing full project lifecycle hydrographic and geophysical support services to the offshore construction industry and service support providers.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 85 seafloor mapping companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 886 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Seafloor mapping companies based in the United Kingdom at a glance

As of Sep 22, 2026
44.6%Verified-email coverage
23.4Average contacts per company
1-10Median size (employees)
8.2%Largest-city concentration · Aberdeen
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
52
11-50
23
51-200
6
201-500
3
501-1,000
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 85 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 “seafloor mapping companies” 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 886 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 September 22, 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 “seafloor mapping companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many seafloor mapping companies are there based in the United Kingdom?

RevenueBase identified 85 company matches for seafloor mapping companies associated with the United Kingdom as of September 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?

Gardline Limited tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most seafloor mapping companies?

Aberdeen leads with 7 company records, followed by London (7) and Edinburgh (4).

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 886 professional contacts with verified work emails tracked across these 85 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 September 22, 2026.

Ready to reach these companies? Verified emails and direct dials for all 85 seafloor mapping companies based in the United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

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.