Company lists · Data refreshed October 2026

Top 25 Geological drilling contractors based in the United Kingdom

RevenueBase identified 282 company matches for geological drilling contractors associated with the United Kingdom as of October 2026 and tracks 3,980 professional contacts across them, including 929 with verified work emails. London is the largest hub.

This list covers company matches for geological drilling contractors 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 October 13, 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 Oct 13, 2026 How this list was built
282Companies
3,980Contacts tracked
929Verified emails
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The 25 largest geological drilling contractors based in the United Kingdom

Ranked by team size
Top 25 of 282 company matches for geological drilling contractors based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 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 matchGloucester, United KingdomHQ recorded Oct 13, 202651-200200 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 · Oct 13, 2026 · View company records in RevenueBase
2Exact matchRoss-on-wye, United KingdomHQ recorded Oct 13, 2026201-500163 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 · Oct 13, 2026 · View company records in RevenueBase
3Exact matchBristol, United KingdomHQ recorded Oct 13, 2026201-500140 contacts →

Exact match

“Structural Soils offer comprehensive ground Investigation services to a range of clients in the public and private sector.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4Exact matchLeeds, United KingdomHQ recorded Oct 13, 202651-200110 contacts →

Exact match

“Soil Engineering has been involved with the geotechnical sector since 1963.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5Exact matchDurham, United KingdomHQ recorded Oct 13, 202651-20075 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 · Oct 13, 2026 · View company records in RevenueBase
6Exact matchAberdeen, United KingdomHQ recorded Oct 13, 202651-20071 contacts →

Exact match

“Premier Corex: Illuminating the Subsurface We are Premier Corex, a world-class laboratory partner delivering cutting-edge core analysis, fluid characterization, and subsurface…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7Exact matchBallymoney, United KingdomHQ recorded Oct 13, 202651-20068 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 · Oct 13, 2026 · View company records in RevenueBase
8Exact matchWashington, United KingdomHQ recorded Oct 13, 202651-20060 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 · Oct 13, 2026 · View company records in RevenueBase
9Exact matchMitcham, United KingdomHQ recorded Oct 13, 202651-20055 contacts →

Exact match

“Robore are the UK's largest Diamond Drilling, Sawing, Controlled Demolition & Passive Fire Protection contractor and undertake the most complex projects by offering and achieving…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10Exact matchWotton-under-edge, United KingdomHQ recorded Oct 13, 202611-5055 contacts →

Exact match

“ADP Group are an independent contractor specialising in the supply of drilling and associated services across the UK.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11Exact matchGloucester, United KingdomHQ recorded Oct 13, 202651-20042 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 · Oct 13, 2026 · View company records in RevenueBase
12Exact matchBury St Edmunds, United KingdomHQ recorded Oct 13, 202651-20034 contacts →

Exact match

“MGS manufactures and supplies specialist quality products for use in ground investigation, water well, and geothermal drilling applications, as well as a variety of railway…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13Exact matchDaventry, United KingdomHQ recorded Oct 13, 202611-5032 contacts →

Exact match

“Geotek specialises in high-resolution, non-destructive analysis of geological cores through the use of our Multi-Sensor Core Logger (MSCL) platforms.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14Exact matchNorwich, United KingdomHQ recorded Oct 13, 202611-5032 contacts →

Exact match

“Harrison Group Environmental is one of the UK’s leading geotechnical and geoenvironmental engineering firms.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15Exact matchMilton Keynes, United KingdomHQ recorded Oct 13, 202611-5030 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 · Oct 13, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Oct 13, 202651-20030 contacts →

Exact match

“GEO is a global company whose mission is to improve the efficiency of the drilling and excavation processes in the foundation industry, through the application of unique products…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17Exact matchArundel, United KingdomHQ recorded Oct 13, 202651-20026 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 · Oct 13, 2026 · View company records in RevenueBase
18Exact matchNewton Abbot, United KingdomHQ recorded Oct 13, 202611-5026 contacts →

Exact match

“ADS Drilling are a drilling contractor with over 35 years in the drilling and site investigation industry.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19Exact matchThe Pensnett Estate, United KingdomHQ recorded Oct 13, 202611-5022 contacts →

Exact match

“Established in the heart of the Black Country in 1982, GIP is now one of the largest geo-environmental and geotechnical engineering companies of its kind in the Midlands…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20Exact matchKirdford, United KingdomHQ recorded Oct 13, 202651-20021 contacts →

Exact match

“Nicholls Boreholes & Ground Source is an established, industry leading, family-run, specialist drilling company.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21Exact matchSeaham, United KingdomHQ recorded Oct 13, 202611-5021 contacts →

Exact match

“Drilcorp was established in 1992 and since then has developed into one of the UK’s top drilling companies.”

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

Exact match

“Welcome to Endeavour Drilling Ltd the Geo Environmental specialists who can provide a nationwide service.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23Exact matchStockton-on-tees, United KingdomHQ recorded Oct 13, 202611-5019 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24Exact matchLlandudno Junction, United KingdomHQ recorded Oct 13, 202611-5018 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 · Oct 13, 2026 · View company records in RevenueBase
25Exact matchWest Calder, United KingdomHQ recorded Oct 13, 202651-20017 contacts →

Exact match

“GBLE is at the forefront of Scotland’s drilling industry and one of the preferred contractors for major house builders, Environmental, Mining, and Geotechnical Consultants, and…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase

Showing 25 of 282 geological drilling contractors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 929 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Geological drilling contractors based in the United Kingdom at a glance

As of Oct 13, 2026
23.3%Verified-email coverage
14.1Average contacts per company
1-10Median size (employees)
5.7%Largest-city concentration · London
Oct 13, 2026Page data refreshed

Companies by employee count

1-10
153
11-50
93
51-200
19
201-500
9
501-1,000
3

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 282 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 “geological drilling contractors” 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 929 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 October 13, 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 “geological drilling contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geological drilling contractors are there based in the United Kingdom?

RevenueBase identified 282 company matches for geological drilling contractors associated with the United Kingdom as of October 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?

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

Which city has the most geological drilling contractors?

London leads with 16 company records, followed by Aberdeen (11) and Wigan (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 929 professional contacts with verified work emails tracked across these 282 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 October 13, 2026.

Ready to reach these companies? Verified emails and direct dials for all 282 geological drilling contractors based in the United Kingdom. Start with a free account, no credit card.

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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.