Company lists · Data refreshed September 2026

Top 25 Subsurface exploration companies based in the United Kingdom

RevenueBase identified 213 company matches for subsurface exploration companies associated with the United Kingdom as of September 2026 and tracks 3,828 professional contacts across them, including 1,195 with verified work emails. London is the largest hub.

This list covers company matches for subsurface exploration 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
213Companies
3,828Contacts tracked
1,195Verified emails
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The 25 largest subsurface exploration companies based in the United Kingdom

Ranked by team size
Top 25 of 213 company matches for subsurface exploration 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 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
3Exact matchGloucester, United KingdomHQ recorded Sep 22, 202651-200187 contacts →

Exact match

“Geotechnical is the leading independent provider of ground investigation in the UK, offering comprehensive intrusive surveys since 1961.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchRoss-on-wye, United KingdomHQ recorded Sep 22, 2026201-500159 contacts →

Exact match

“Igne is a leading UK specialist delivering integrated and stand-alone services across ground investigation, specialist drilling, UXO risk mitigation, materials testing…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchLeeds, United KingdomHQ recorded Sep 22, 202651-20082 contacts →

Exact match

“Getech is a leading locator of subsurface resources essential for the world's energy security and sustainable transition.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchDurham, United KingdomHQ recorded Sep 22, 202651-20077 contacts →

Exact match

“Dunelm has 50 years’ experience as leaders in the field of ground investigation, providing site investigation services on a national scale at competitive prices.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchEynsham, United KingdomHQ recorded Sep 22, 202651-20075 contacts →

Exact match

“Zetica is the UK’s leader in engineering and environmental geophysics, with an enviable reputation for objective advice, novel problem solving, consistently high-quality surveys…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchBallymoney, United KingdomHQ recorded Sep 22, 202651-20060 contacts →

Exact match

“Causeway Geotech Ltd bring together a team of Chartered Geotechnical Engineers with over 100 years of experience in total of offshore and onshore geotechnical ground investigation.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchGloucester, United KingdomHQ recorded Sep 22, 202651-20060 contacts →

Exact match

“CC Ground Investigations specialise in undertaking all types of geotechnical and environmental site investigation work throughout the U.K.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 22, 202651-20059 contacts →

Exact match

“STRYDE is a leading onshore subsurface imaging solutions provider, revolutionising land seismic acquisition and data processing through ultra-lightweight, low-cost recording…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchWesthill, United KingdomHQ recorded Sep 22, 202651-20054 contacts →

Exact match

“Geoactive Limited is made up of an expert team of scientists, developers and all-round exceptional human beings that design, develop and produce high-quality digital products for…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchWashington, United KingdomHQ recorded Sep 22, 202651-20054 contacts →

Exact match

“Ian Farmer Associates has been carrying out ground investigations since 1985 and has built a strong client base of consulting engineers, builders, developers, architects…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchArundel, United KingdomHQ recorded Sep 22, 202651-20029 contacts →

Exact match

“Dando Drilling International has over 150 years experience of supplying drilling rigs and equipment for the water well, mineral exploration, geotechnical & geothermal sectors.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchMilton Keynes, United KingdomHQ recorded Sep 22, 202611-5026 contacts →

Exact match

“Metatek is a global geophysical services company providing high-definition mapping of subsurface strategic and critical mineral natural resources, energy (including hydrocarbons)…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 22, 20261-1024 contacts →

Exact match

“Pallas Resources is a Central Asian explorer with a fresh approach to discovery.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchCardiff, United KingdomHQ recorded Sep 22, 202611-5021 contacts →

Exact match

“Complex Geophysics delivered by Down to Earth people: 33 years' experience working with engineers & consultants delivering honest, reliable and objective subsurface mapping…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact 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
18Exact matchLlandudno Junction, United KingdomHQ recorded Sep 22, 202611-5019 contacts →

Exact match

“Rockwash Geodata is a geological laboratory and service company founded in 2010 with headquarters in Llandudno Junction, North Wales and a focus on providing high-value…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchEpsom, United KingdomHQ recorded Sep 22, 202611-5017 contacts →

Exact match

“We are a multi-disciplinary team of experts in geoscience, interpretation, operations and marketing with an intimate knowledge of the energy industry.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 22, 20261-1017 contacts →

Exact match

“Islay Subsurface & Engineering Ltd was founded in 2010 by Iain Whyte to provide support to oil and gas operators, and their partners.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchHadnall, United KingdomHQ recorded Sep 22, 202611-5017 contacts →

Exact match

“European Geophysical Services was established in 1994 and is a leading borehole geophysical logging and video surveying company providing a large range of measurements and…”

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

Exact match

“Impact is a frontier exploration company with early-stage, deep water prospective hydrocarbon plays that are of sufficient size to attract Oil Majors as partners ahead of drilling.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchStockton-on-tees, United KingdomHQ recorded Sep 22, 202611-5014 contacts →

Exact match

“Solmek Ltd is an independent site investigation company which has been operating since 2002.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchDurham, United KingdomHQ recorded Sep 22, 202611-5013 contacts →

Exact match

“FWS Consultants Ltd is an established, internationally recognised consultancy with over 40 years' experience providing ground investigation, geo-environmental, geotechnical and…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchLlantrisant, United KingdomHQ recorded Sep 22, 20261-1013 contacts →

Exact match

“Geotechnical and Geo Environmental Ground Investigation Contractor and Service Provider.”

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

Showing 25 of 213 subsurface exploration companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,195 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Subsurface exploration companies based in the United Kingdom at a glance

As of Sep 22, 2026
31.2%Verified-email coverage
18.0Average contacts per company
1-10Median size (employees)
22.1%Largest-city concentration · London
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
131
11-50
60
51-200
15
201-500
5
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 213 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 “subsurface exploration 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 1,195 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 “subsurface exploration companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many subsurface exploration companies are there based in the United Kingdom?

RevenueBase identified 213 company matches for subsurface exploration 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 subsurface exploration companies?

London leads with 47 company records, followed by Aberdeen (8) and Manchester (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 1,195 professional contacts with verified work emails tracked across these 213 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.

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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.