Company lists · Data refreshed September 2026
Top 14 Environmental advocacy groups based in the United Kingdom
RevenueBase identified 36 environmental advocacy groups headquartered in the United Kingdom as of September 2026 and tracks 829 professional contacts across them, including 361 with verified work emails. London is the largest hub.
This list covers environmental advocacy groups 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.
The 14 largest environmental advocacy groups based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 324 contacts → | ||||
Indirect evidence “We are a non-profit using the power of the law to bring about end-to-end systemic change: informing, implementing and enforcing the law, drafting and advising decision-makers on…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 167 contacts → | ||||
Partial evidence “Greenpeace is an independent global campaigning network that acts to change attitudes and behaviour, to protect and conserve the environment and to promote peace.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 94 contacts → | ||||
Partial evidence “The Environmental Justice Foundation (EJF) exists to protect the natural world and defend our basic human right to a secure environment.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 77 contacts → | ||||
Partial evidence “Environmental Investigation Agency UK is a UK charity, number 1182208.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 29 contacts → | ||||
Indirect evidence “Ekō (formerly SumOfUs) is a community of people from around the world committed to curbing the growing power of corporations.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 20 contacts → | ||||
Partial evidence “Wildlife and Countryside Link (Link) is the largest environment and wildlife coalition in England, bringing together 89 organisations to use their strong joint voice for the…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 18 contacts → | ||||
Partial evidence “The Environmental Law Foundation (ELF) is a registered charity in Wales and England that was founded in 1992.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 14 contacts → | ||||
Indirect evidence “Strategic communications for organisations driving the energy transition and restoring the natural world.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 14 contacts → | ||||
Partial evidence “Protect Our Winters UK helps passionate outdoor people become effective climate advocates to achieve systemic solutions to climate change, protecting our world today and for…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 10 contacts → | ||||
Partial evidence “The Environmental Rights Centre for Scotland (ERCS) is working towards a Scotland where every person’s right to a healthy environment is respected, protected and fulfilled.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 10 contacts → | ||||
Indirect evidence “For ecological, social and economic justice.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 5 contacts → | ||||
Partial evidence “TAFU is an innovative nature conservation organisation founded in May 2021, dedicated to inspiring personal responsibility and proactive action for environmental preservation.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 3 contacts → | ||||
Partial evidence “Eco Green Living seeks to create cleaner environments and sustainable societies through ecologically-focused products and activities.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 1 contacts → | ||||
Indirect evidence “The Clean Air Association is a non-profit organization dedicated to the preservation and improvement of air quality.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
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 advocacy groups. 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 advocacy groups.
- Partial evidence
- Its own public description names part of environmental advocacy groups, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name environmental advocacy groups. 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 14 of 36 environmental advocacy groups based in the United Kingdom
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 361 reachable decision-makers.
Free signup · no credit card
Environmental advocacy groups based in the United Kingdom at a glance
As of Sep 19, 2026Companies by employee count
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 36 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 advocacy groups, 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 advocacy groups”. 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 advocacy groups), 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 advocacy groups, 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, 361 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.
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 advocacy groups, 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 advocacy groups are there based in the United Kingdom?
RevenueBase identified 36 environmental advocacy groups 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?
Clientearth, headquartered in London, tops this list with the largest team on record.
Which city has the most environmental advocacy groups?
London leads with 18 headquartered companies, followed by Edinburgh (2) and Manchester (2).
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 361 verified decision-maker contacts tracked across these 36 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.
Ready to reach these companies? Verified emails and direct dials for all 36 environmental advocacy groups based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Environmental advocacy groups by geography
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Environmental advocacy groups based in Australia
- Environmental advocacy groups based in Canada
- Environmental advocacy groups based in France
- Environmental advocacy groups based in Germany
- Environmental advocacy groups based in India
- Environmental advocacy groups based in the United States