Company lists · Data refreshed November 2026

Top 25 Biodiversity nonprofits based in the United Kingdom

RevenueBase identified 461 company matches for biodiversity nonprofits associated with the United Kingdom as of November 2026 and tracks 9,289 professional contacts across them, including 3,940 with verified work emails. London is the largest hub.

This list covers company matches for biodiversity nonprofits associated with the 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 November 6, 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 Nov 6, 2026 How this list was built
461Companies
9,289Contacts tracked
3,940Verified emails
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The 25 largest biodiversity nonprofits based in the United Kingdom

Ranked by team size
Top 25 of 461 company matches for biodiversity nonprofits based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 Nov 6, 20261,001-5,000999 contacts →

Exact match

“As the original science-driven conservation organisation, we’re working to restore wildlife in the UK and around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchCambridge, United KingdomHQ recorded Nov 6, 2026501-1,000606 contacts →

Exact match

“Fauna & Flora's work spans across the globe, with over 100 projects in more than 40 countries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchCambridge, United KingdomHQ recorded Nov 6, 2026201-500324 contacts →

Exact match

“The UN Environment Programme World Conservation Monitoring Centre (UNEP-WCMC) is a global centre of excellence on biodiversity and nature’s contribution to society and the economy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500279 contacts →

Exact match

“We believe the power to restore our oceans lives in the coastal communities bearing witness to the planetary crises.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchCambridge, United KingdomHQ recorded Nov 6, 202651-200187 contacts →

Exact match

“TRAFFIC is a leading non-governmental organisation working globally to ensure that trade in wild species is legal and sustainable, for the benefit of the planet and people.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchEdinburgh, United KingdomHQ recorded Nov 6, 202651-200159 contacts →

Exact match

“For 60 years, the Scottish Wildlife Trust has worked with its members, partners and supporters in pursuit of its vision of healthy, resilient ecosystems across Scotland’s land and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBamber Bridge, United KingdomHQ recorded Nov 6, 202651-200156 contacts →

Exact match

“We are part of the Wildlife Trusts movement, the UK's leading conservation charity dedicated to all wildlife.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchYork, United KingdomHQ recorded Nov 6, 202651-200142 contacts →

Exact match

“England’s leading biodiversity gains provider, Environment Bank has established the broadest network of BNG Habitat Banks - giving developers access to Biodiversity Units…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchColchester, United KingdomHQ recorded Nov 6, 202651-200132 contacts →

Exact match

“We are the county’s leading conservation charity, committed to protecting wildlife and inspiring a lifelong love of nature.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSurrey, United KingdomHQ recorded Nov 6, 2026201-500132 contacts →

Exact match

“NatureMetrics is a world leader in delivering nature data and intelligence, deploying cutting-edge technology to generate biodiversity insights at scale using environmental DNA…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchCoventry, United KingdomHQ recorded Nov 6, 202651-200118 contacts →

Exact match

“With a legacy of over 30 years, we are a UK leading independent consultancy specialising in the preservation of the natural environment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchHorsham, United KingdomHQ recorded Nov 6, 202611-5099 contacts →

Exact match

“We work tirelessly to ensure that all wild animals, whether living in captivity or in the wild, are treated with compassion and respect.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCambridge, United KingdomHQ recorded Nov 6, 202651-20089 contacts →

Exact match

“The Albertine Rift Conservation Society (ARCOS Network) is a regional conservation organization with the mission to enhance biodiversity conservation and sustainable management of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchCambridge, United KingdomHQ recorded Nov 6, 202651-20084 contacts →

Exact match

“The Biodiversity Consultancy exists to make positive biodiversity impact second nature for business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchOxford, United KingdomHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“Global Canopy is a data-driven not for profit that targets the market forces destroying nature.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchPlymouth, United KingdomHQ recorded Nov 6, 202651-20073 contacts →

Exact match

“Ocean Conservation with a difference.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBelfast, United KingdomHQ recorded Nov 6, 202611-5062 contacts →

Exact match

“Ulster Wildlife (formerly called Ulster Wildlife Trust) is a leading local environmental charity operating across Northern Ireland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5060 contacts →

Exact match

“Our mission is to transform landscapes, taking fields that were otherwise silent, dead zones and turning them into thriving fields full of life.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBanham, United KingdomHQ recorded Nov 6, 202651-20055 contacts →

Exact match

“The Zoological Society of East Anglia (ZSEA) is a conservation and education charity which inspires people to connect with nature whilst helping to sustain our planet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5053 contacts →

Exact match

“Ecosulis specialises in biodiversity assessment, habitat creation, reintroducing and protecting species, and land management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHalesworth, United KingdomHQ recorded Nov 6, 202611-5053 contacts →

Exact match

“We’re WLT, an International Conservation Charity funding partner organisations around the world since 1989.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchForres, United KingdomHQ recorded Nov 6, 202651-20052 contacts →

Exact match

“Trees for Life stands at the forefront of rewilding in the Scottish Highlands.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5050 contacts →

Exact match

“Synchronicity Earth is a UK-registered conservation charity and trust-based philanthropic funder working to address overlooked and underfunded conservation challenges for globally…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchOxford, United KingdomHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“Earthwatch is an environmental charity with science at its heart.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchOxford, United KingdomHQ recorded Nov 6, 202651-20040 contacts →

Exact match

“See our website for more and opportunities:”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 461 biodiversity nonprofits based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 3,940 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Biodiversity nonprofits based in the United Kingdom at a glance

As of Nov 6, 2026
42.4%Verified-email coverage
20.1Average contacts per company
1-10Median size (employees)
31.2%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
337
11-50
85
51-200
21
201-500
10
501-1,000
1
1,001-5,000
3

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 461 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 the United Kingdom whose business descriptions match “biodiversity nonprofits” 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 3,940 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 November 6, 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.

Biodiversity nonprofits by metro

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 “biodiversity nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many biodiversity nonprofits are there based in the United Kingdom?

RevenueBase identified 461 company matches for biodiversity nonprofits associated with the United Kingdom as of November 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?

Zoological Society Of London ZSL tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most biodiversity nonprofits?

London leads with 144 company records, followed by Cambridge (19) and Bristol (9).

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 3,940 professional contacts with verified work emails tracked across these 461 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 November 6, 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.