Company lists · Data refreshed September 2026

Top 25 Geological consultants based in London, United Kingdom

Name: Geological consultants based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 289 companies tracked

RevenueBase identified 289 geological consultants headquartered in London, United Kingdom as of September 2026 and tracks 9,374 professional contacts across them, including 2,662 with verified work emails. London is the largest hub.

This list covers geological consultants headquartered in London, 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 21, 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 21, 2026 86% judged on-target in blind review

289Companies

9,374Contacts tracked

2,662Verified emails

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The 25 largest geological consultants based in London, United Kingdom

Ranked by team size

Top 25 of 289 geological consultants based in London, United Kingdom, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to geological consultants: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Keller	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	5,001-10,000	3,960 contacts →
	Indirect evidence “Every day, people around the world live, work and play on ground prepared by Keller, the world's largest geotechnical specialist contractor.” Source: RevenueBase Database · checked Sep 21, 2026
2	ABL	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	1,001-5,000	804 contacts →
	Partial evidence “The Energy and Marine Consultants - an Aqualis company.” Source: RevenueBase Database · checked Sep 21, 2026
3	LUC	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	201-500	383 contacts →
	Partial evidence “LUC is an independent, employee-owned environmental consultancy celebrating its 60th anniversary.” Source: RevenueBase Database · checked Sep 21, 2026
4	K-Mine	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	228 contacts →
	Indirect evidence “K-MINE, where mining expertise meets technological innovation.” Source: RevenueBase Database · checked Sep 21, 2026
5	Pre-Construct Archaeology Limited	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	165 contacts →
	Indirect evidence “Over the last 30+ years, Pre-Construct Archaeology (PCA) has become one of the largest archaeological practices in the UK, able to undertake projects of all sizes and complexity…” Source: RevenueBase Database · checked Sep 21, 2026
6	Price & Myers	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	159 contacts →
	Indirect evidence “Consulting Engineers Price & Myers is a structural and civil engineering practice, established by Sam Price and Robert Myers in 1978.” Source: RevenueBase Database · checked Sep 21, 2026
7	Longitude Engineering	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	138 contacts →
	Partial evidence “The Engineering Consultants.” Source: RevenueBase Database · checked Sep 21, 2026
8	WALSH	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	110 contacts →
	Partial evidence “Walsh is a B Corp Certified structural, civil and geotechnical engineering consultancy specialising in complex developments on constrained urban sites.” Source: RevenueBase Database · checked Sep 21, 2026
9	Hurley Palmer Flatt	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	201-500	91 contacts →
	Partial evidence “In 2019, Hurley Palmer Flatt, the UK’s leading independent multidisciplinary engineering consultancy, joined global design firm HDR.” Source: RevenueBase Database · checked Sep 21, 2026
10	Dr. Sauer & Partners	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	63 contacts →
	Indirect evidence “Dr.” Source: RevenueBase Database · checked Sep 21, 2026
11	OPC	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	58 contacts →
	Partial evidence “OPC is a leading global energy consultancy specialising in providing clients with top-tier expertise and innovative solutions across the upstream E&P, Gas and CO2 storage domains…” Source: RevenueBase Database · checked Sep 21, 2026
12	WBD Group	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	11-50	51 contacts →
	Partial evidence “WBD Group is a leading multidisciplinary engineering consultancy based in Central London.” Source: RevenueBase Database · checked Sep 21, 2026
13	VEDA	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	48 contacts →
	Partial evidence “VEDA Associates is an independent, multidisciplinary engineering consultancy driven by a passion for problem solving and technical excellence.” Source: RevenueBase Database · checked Sep 21, 2026
14	Cares Group	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	48 contacts →
	Partial evidence “We are an international Engineering consultant with a team of over 40 chartered engineers, environmentalists, Maritime experts, and technicians across West Africa, UK, and…” Source: RevenueBase Database · checked Sep 21, 2026
15	OTB Engineering	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	42 contacts →
	Indirect evidence “OTB is renowned for its expertise and experience in tunnel, construction and geotechnical engineering, and rail assurance.” Source: RevenueBase Database · checked Sep 21, 2026
16	London Bridge Associates LTD	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	11-50	38 contacts →
	Partial evidence “LBA is an engineering consultancy specialising in tunnelling, underground works and heavy civil engineering construction.” Source: RevenueBase Database · checked Sep 21, 2026
17	Swanton Consulting LTD	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	11-50	36 contacts →
	Indirect evidence “Swanton Consulting is a specialist engineering company providing unique skills for the refurbishment, alteration, and demolition of complex building structures.” Source: RevenueBase Database · checked Sep 21, 2026
18	Hcuk Group	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	11-50	33 contacts →
	Indirect evidence “Arboriculture, Ecology, Landscape, Archaeology, Heritage, Visualisations – helping you translate complexity into practical steps.” Source: RevenueBase Database · checked Sep 21, 2026
19	TB Associates	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	32 contacts →
	Partial evidence “TB Associates was founded in the United Kingdom in 2004 and is a research-based engineering consultancy company.” Source: RevenueBase Database · checked Sep 21, 2026
20	Solis Marine	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	11-50	29 contacts →
	Indirect evidence “Solis Marine was established in 2012 to provide independent expert technical services to the shipping and wider maritime industries.” Source: RevenueBase Database · checked Sep 21, 2026
21	Geotechnical Consulting Group	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	11-50	29 contacts →
	Partial evidence “Geotechnical Consulting Group (GCG) is one of the world’s leading independent geotechnical engineering consultancies, recognised for delivering innovative, research driven…” Source: RevenueBase Database · checked Sep 21, 2026
22	Geowynd	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	11-50	28 contacts →
	Indirect evidence “Data-driven geosolutions to ensure ground risks are mitigated and design opportunities are realised.” Source: RevenueBase Database · checked Sep 21, 2026
23	GEO	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	26 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026
24	London Structures LAB	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	11-50	25 contacts →
	Indirect evidence “London Structures Lab believe there is a way to do things better.” Source: RevenueBase Database · checked Sep 21, 2026
25	Mine Recruitment	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	1-10	25 contacts →
	Indirect evidence “Mine Recruitment is a job board built for one industry: mining.” Source: RevenueBase Database · checked Sep 21, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: geological consultants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names geological consultants.
Partial evidence: Its own public description names part of geological consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name geological consultants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 289 geological consultants based in London, United Kingdom

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Geological consultants based in London, United Kingdom at a glance

As of Sep 21, 2026

28.4%Verified-email coverage

32.4Average contacts per company

1-10Median size (employees)

100.0%Largest-city concentration · London

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

183

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 289 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 geological consultants, 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 London, United Kingdom whose own description of what they do matches “geological consultants”. 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 geological consultants), 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 geological consultants, and records with no verified work email. Companies headquartered outside London 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, 2,662 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 21, 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.

Geological consultants by metro in the United Kingdom

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 geological consultants, 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 geological consultants are there based in London, United Kingdom?

RevenueBase identified 289 geological consultants headquartered in London, 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?

Keller, headquartered in London, tops this list with the largest team on record.

Which city has the most geological consultants?

London leads with 289 headquartered companies, followed by Aberdeen (75) and Glasgow (33).

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 2,662 verified decision-maker contacts tracked across these 289 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 21, 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.