Company lists · Data refreshed September 2026

Top 25 Environmental policy consultants based in the United Kingdom

Name: Environmental policy consultants based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 985 companies tracked

RevenueBase identified 985 environmental policy consultants headquartered in the United Kingdom as of September 2026 and tracks 26,117 professional contacts across them, including 13,740 with verified work emails. London is the largest hub.

This list covers environmental policy consultants headquartered in the 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 19, 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 19, 2026 86% judged on-target in blind review

985Companies

26,117Contacts tracked

13,740Verified emails

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The 25 largest environmental policy consultants based in the United Kingdom

Ranked by team size

Top 25 of 985 environmental policy consultants based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to environmental policy 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	ERM	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	5,001-10,000	9,119 contacts →
	Indirect evidence “Sustainability is our business.” Source: RevenueBase Database · checked Sep 19, 2026
2	SLR Consulting	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	1,001-5,000	3,848 contacts →
	Indirect evidence “SLR is a committed partner in our clients’ sustainability journeys.” Source: RevenueBase Database · checked Sep 19, 2026
3	Baringa	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	1,001-5,000	2,179 contacts →
	Indirect evidence “Baringa is a global consulting firm that helps leaders drive meaningful change and create value.” Source: RevenueBase Database · checked Sep 19, 2026
4	RSK Group	Partial evidence	Helsby, United KingdomHQ checked Sep 19, 2026	10001+	1,255 contacts →
	Partial evidence “RSK Group is a global leader in the delivery of environmental and engineering solutions.” Source: RevenueBase Database · checked Sep 19, 2026
5	Ricardo PLC	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	1,001-5,000	670 contacts →
	Indirect evidence “Click the 'Follow' button and explore careers at Ricardo on our 'Jobs' and 'Life' tabs and at careers.ricardo.com.” Source: RevenueBase Database · checked Sep 19, 2026
6	Valpak Limited	Partial evidence	Stratford-upon-avon, United KingdomHQ checked Sep 19, 2026	201-500	347 contacts →
	Partial evidence “Valpak, a Reconomy brand, is an EcoVadis Platinum certified leader in environmental compliance, recycling, and sustainability solutions.” Source: RevenueBase Database · checked Sep 19, 2026
7	Atelier TEN	Strong evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	323 contacts →
	Strong evidence “As environmental design consultants, building services engineers and lighting designers, we are committed to high performance and sustainable design within the built environment.” Source: RevenueBase Database · checked Sep 19, 2026
8	Wardell Armstrong LLP NOW SLR	Indirect evidence	Birmingham, United KingdomHQ checked Sep 19, 2026	501-1,000	253 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026
9	The Erith Group	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	501-1,000	217 contacts →
	Partial evidence “Supported by a network of specialist consulting engineers, environmentalists and our own collective experience, our philosophy is simple: to provide a qualitative economic and…” Source: RevenueBase Database · checked Sep 19, 2026
10	RSK Biocensus	Partial evidence	Helsby, United KingdomHQ checked Sep 19, 2026	201-500	164 contacts →
	Partial evidence “RSK Biocensus is an ecological consultancy with a presence across the country and an extensive network of ecologists throughout the UK.” Source: RevenueBase Database · checked Sep 19, 2026
11	Aqua Consultants	Strong evidence	Leeds, United KingdomHQ checked Sep 19, 2026	51-200	156 contacts →
	Strong evidence “Aqua Consultants provide tailored environmental consultancy to broaden your thinking, lead transformation, and achieve successful outcomes.” Source: RevenueBase Database · checked Sep 19, 2026
12	Arthian LTD	Indirect evidence	Glasgow, United KingdomHQ checked Sep 19, 2026	201-500	153 contacts →
	Indirect evidence “Arthian has been established following a merger between Mabbett and IKM Consulting.” Source: RevenueBase Database · checked Sep 19, 2026
13	Eunomia Research & Consulting	Partial evidence	Bristol, United KingdomHQ checked Sep 19, 2026	51-200	143 contacts →
	Partial evidence “At Eunomia, we're social-environmental problem-solvers and researchers with a difference.” Source: RevenueBase Database · checked Sep 19, 2026
14	Thomson Environmental Consultants	Strong evidence	Guildford, United KingdomHQ checked Sep 19, 2026	51-200	133 contacts →
	Strong evidence “Thomson Environmental Consultants are experts in environmental compliance with offices in Guildford, Leeds, Cardiff, Birmingham and Manchester.” Source: RevenueBase Database · checked Sep 19, 2026
15	Middlemarch	Strong evidence	Coventry, United KingdomHQ checked Sep 19, 2026	51-200	118 contacts →
	Strong evidence “With a legacy of over 30 years, we are a UK leading independent consultancy specialising in the preservation of the natural environment.” Source: RevenueBase Database · checked Sep 19, 2026
16	Yordas Group	Indirect evidence	Lancaster, United KingdomHQ checked Sep 19, 2026	51-200	112 contacts →
	Indirect evidence “In 2026, Yordas Group was acquired by 3E, the leading global provider of expert-led AI compliance solutions for chemical and workplace safety, product stewardship, and sustainable…” Source: RevenueBase Database · checked Sep 19, 2026
17	Greengage Environmental LTD	Strong evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	93 contacts →
	Strong evidence “Greengage is an independent sustainability and environmental consultancy known for providing bespoke advice and working in partnership with our clients and multi-disciplinary…” Source: RevenueBase Database · checked Sep 19, 2026
18	AES Sustainability Consultants	Partial evidence	Tiverton, United KingdomHQ checked Sep 19, 2026	51-200	92 contacts →
	Partial evidence “AES Sustainability Consultants is a leading technical consultancy that delivers value engineered solutions across the homebuilding and construction industries.” Source: RevenueBase Database · checked Sep 19, 2026
19	Lanpro	Strong evidence	Norwich, United KingdomHQ checked Sep 19, 2026	51-200	87 contacts →
	Strong evidence “We are planning-led multi-disciplinary environmental consultants.” Source: RevenueBase Database · checked Sep 19, 2026
20	Ecology Solutions	Strong evidence	Broadway, United KingdomHQ checked Sep 19, 2026	11-50	85 contacts →
	Strong evidence “Ecology Solutions is a leading multidisciplinary environmental consultancy, specialising in ecology, archaeology and heritage, landscape design, mitigation and biodiversity.” Source: RevenueBase Database · checked Sep 19, 2026
21	Gobe Consultants LTD	Partial evidence	Buckfastleigh, United KingdomHQ checked Sep 19, 2026	11-50	84 contacts →
	Partial evidence “Providing high quality strategic and project specific planning and environmental advice to the offshore development industries, we, GoBe, are specialists in offshore renewables…” Source: RevenueBase Database · checked Sep 19, 2026
22	FLAG	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	84 contacts →
	Indirect evidence “We're a global sustainability agency, providing strategy, communications and reporting support to the world’s leading brands.” Source: RevenueBase Database · checked Sep 19, 2026
23	clearvue.business	Partial evidence	Gateshead, United KingdomHQ checked Sep 19, 2026	51-200	81 contacts →
	Partial evidence “We enable businesses to succeed in the environmental components of their ESG strategies through comprehensive net zero consulting services and ground-breaking carbon and energy…” Source: RevenueBase Database · checked Sep 19, 2026
24	Bluwin	Indirect evidence	Huddersfield, United KingdomHQ checked Sep 19, 2026	51-200	77 contacts →
	Indirect evidence “Bluwin is a high-impact climate solution provider whose mission is to contribute to a better world and better quality of life by providing solutions which reduce the adverse…” Source: RevenueBase Database · checked Sep 19, 2026
25	CSA Environmental	Strong evidence	Ashwell, United KingdomHQ checked Sep 19, 2026	51-200	76 contacts →
	Strong evidence “CSA Environmental is a multidisciplinary environmental consultancy practice providing specialist advice covering Ecology, Heritage, Landscape, and Masterplanning and Urban Design.” Source: RevenueBase Database · checked Sep 19, 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: environmental policy 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 environmental policy consultants.
Partial evidence: Its own public description names part of environmental policy consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name environmental policy 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 985 environmental policy consultants based in the United Kingdom

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Environmental policy consultants based in the United Kingdom at a glance

As of Sep 19, 2026

52.6%Verified-email coverage

26.5Average contacts per company

1-10Median size (employees)

27.7%Largest-city concentration · London

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

709

11-50

198

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 985 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 environmental policy 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 the United Kingdom whose own description of what they do matches “environmental policy 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 environmental policy 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 environmental policy consultants, and records with no verified work email. Companies headquartered outside United Kingdom 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, 13,740 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 19, 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.

Environmental policy consultants by metro

Environmental policy consultants in London273

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 environmental policy 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 environmental policy consultants are there based in the United Kingdom?

RevenueBase identified 985 environmental policy consultants headquartered in the 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?

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

Which city has the most environmental policy consultants?

London leads with 273 headquartered companies, followed by Bristol (22) and Edinburgh (22).

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 13,740 verified decision-maker contacts tracked across these 985 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 19, 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.