Company lists · Data refreshed October 2026

Top 9 Geotechnical drilling contractors based in London, United Kingdom

RevenueBase identified 28 company matches for geotechnical drilling contractors associated with London, United Kingdom as of October 2026 and tracks 4,407 professional contacts across them, including 953 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for geotechnical drilling contractors associated with London, 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
28Companies
4,407Contacts tracked
953Verified emails
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The 9 largest geotechnical drilling contractors based in London, United Kingdom

Ranked by team size
Top 9 of 28 company matches for geotechnical drilling contractors based in London, 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 matchLondon, United KingdomHQ recorded Oct 13, 20265,001-10,0004,148 contacts →

Exact match

“Every day, people around the world live, work and play on ground prepared by Keller, the world's largest geotechnical specialist contractor.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2Exact 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
3Exact matchLondon, United KingdomHQ recorded Oct 13, 202611-5028 contacts →

Exact match

“Geotechnical Consulting Group (GCG) is one of the world’s leading independent geotechnical engineering consultancies, recognised for delivering innovative, research driven…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Oct 13, 202611-5021 contacts →

Exact match

“We're an construction agency with a HUGE difference!”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Oct 13, 202611-5012 contacts →

Exact match

“Established in 1993, Fielders is a London based SME providing specialist recruitment services in Geotechnical and GeoEnvironmental Site Investigation, Design and Reporting and…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Oct 13, 202611-5011 contacts →

Exact match

“Ground design solutions for development complexities.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Oct 13, 202651-2003 contacts →

Exact match

“UBL Drilling is a family owned company which has expanded over the years with thoughtful, measured growth to keep us closely tied to our tradition work ethic and moreover so our…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Oct 13, 20261-102 contacts →

Exact match

“International consultancy specialized in Engineering Geology and Geotechnical Engineering”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Oct 13, 20261-101 contacts →

Exact match

“Civic Earth are a ground engineering consultancy working across the UK providing geotechnical and geoenvironmental consultancy, as well as site investigation and associated ground…”

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

Showing 9 of 28 geotechnical drilling contractors based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 953 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Geotechnical drilling contractors based in London, United Kingdom at a glance

As of Oct 13, 2026
21.6%Verified-email coverage
157.4Average contacts per company
1-10Median size (employees)
Oct 13, 2026Page data refreshed

Companies by employee count

1-10
15
11-50
8
51-200
4
5,001-10,000
1

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 28 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 London, United Kingdom whose business descriptions match “geotechnical 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 953 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 “geotechnical drilling contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geotechnical drilling contractors are there based in London, United Kingdom?

RevenueBase identified 28 company matches for geotechnical drilling contractors associated with London, 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?

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

Which city in the United Kingdom has the most geotechnical drilling contractors?

London leads the United Kingdom with 28 company records, followed by Nottingham (11) and Leeds (6).

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 953 professional contacts with verified work emails tracked across these 28 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.

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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.