Company lists · Data verified August 2026

Top 25 Environmental compliance consulting firms based in the United Kingdom

Name: Environmental compliance consulting firms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 226 companies tracked

There are 226 environmental compliance consulting firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 2,631 professional contacts across them, including 1,308 with verified work emails and 152 with mobile numbers. London is the largest hub.

This list covers environmental compliance consulting firms headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

226Companies

2,631Contacts tracked

1,308Verified emails

152Mobile numbers

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The 25 largest environmental compliance consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 226 environmental compliance consulting firms based in the United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Valpak Limited	Stratford-Upon-Avon	201-500	364	264
2	The Erith Group	London	501-1,000	215	127
3	Aqua Consultants	Birmingham	51-200	163	99
4	Thomson Environmental Consultants	Manchester	51-200	131	88
5	AES Sustainability Consultants	Tiverton	51-200	91	70
6	Assurity Consulting LTD	Horsham	51-200	77	51
7	Envirocentre	Glasgow	51-200	70	45
8	Lucion Delta-Simons LTD	n/a	201-500	64	45
9	A A Garg & CO	London	51-200	49	19
10	Greenspark	Doncaster	51-200	44	38
11	Mjca LTD	Atherstone	11-50	44	19
12	Ironside Farrar Limited	Edinburgh	51-200	41	33
13	Darcy Group	Larkfield	51-200	37	27
14	Compliance Services International	Edinburgh	11-50	36	33
15	Waterman Environmental Services Limited	Lichfield	51-200	35	21
16	RHE Global Smarter Public Protection	Bristol	11-50	32	19
17	SCS Sustainable Construction Services	Bristol	11-50	30	18
18	ERP UK LTD	London	11-50	26	21
19	Brodextrident	Formby Liverpool	51-200	22	10
20	WCA Environment Limited	Faringdon	11-50	20	11
21	Kovia Group	Cardiff	11-50	19	8
22	Musketeer Services	Horley	11-50	18	13
23	Aether Compliance LTD	Harlow	11-50	15	1
24	Hurstwood Environmental Consulting	Bolton	11-50	14	13
25	Riskbase	n/a	11-50	14	9

Showing 25 of 226 environmental compliance consulting firms based in the United Kingdom

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Environmental compliance consulting firms based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 20 HQs

152Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

151

11-50

51-200

201-500

501-1,000

Environmental compliance consulting firms by metro

Metro	Companies
Environmental compliance consulting firms in London	20
Environmental compliance consulting firms in Manchester	9
Environmental compliance consulting firms in Edinburgh	6
Environmental compliance consulting firms in Belfast	5
Environmental compliance consulting firms in Cardiff	4
Environmental compliance consulting firms in Bristol	4
Environmental compliance consulting firms in Glasgow	4

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “environmental compliance consulting firms”, with match quality audited by blind human judging, and headquartered in the United Kingdom.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many environmental compliance consulting firms are there based in the United Kingdom?

There are 226 environmental compliance consulting firms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Valpak Limited, headquartered in Stratford-Upon-Avon, tops this list with the largest team on record.

Which city has the most environmental compliance consulting firms?

London leads with 20 headquartered companies, followed by Manchester (9) and Edinburgh (6).

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 1,308 verified decision-maker contacts tracked across these 226 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.