Company lists · Data refreshed September 2026

Top 25 Biodiversity conservation organizations worldwide

RevenueBase identified 3,956 company matches for biodiversity conservation organizations worldwide as of September 2026 and tracks 80,154 professional contacts across them, including 20,941 with verified work emails. The United States is the largest market and Paris the largest hub.

This list covers company matches for biodiversity conservation organizations worldwide, 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 September 19, 2026. Country and city lists for biodiversity conservation organizations follow the table.

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 Sep 19, 2026 How this list was built
3,956Companies
80,154Contacts tracked
20,941Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest biodiversity conservation organizations worldwide

Ranked by team size
Top 25 of 3,956 company matches for biodiversity conservation organizations worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchArlington, VA, United StatesHQ recorded Sep 19, 20265,001-10,0006,526 contacts →

Exact match

“Air, water, food, shelter, income: nature sustains every aspect of our lives.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchGland, SwitzerlandHQ recorded Sep 19, 20261,001-5,0003,763 contacts →

Exact match

“Nature is our life-support system.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchBronx, NY, United StatesHQ recorded Sep 19, 20261,001-5,0003,663 contacts →

Exact match

“WCS stands for wildlife and wild places.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchAmsterdam, NetherlandsHQ recorded Sep 19, 2026n/a2,945 contacts →

Exact match

“Greenpeace is comprised of 25 independent national/regional organisations in over 55 countries across Europe, the Americas, Africa, Asia and the Pacific, as well as a…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchSandy, United StatesHQ recorded Sep 19, 20261,001-5,0001,969 contacts →

Exact match

“Passionate about nature, dedicated to saving it.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchGland, SwitzerlandHQ recorded Sep 19, 2026501-1,0001,965 contacts →

Exact match

“IUCN, the International Union for Conservation of Nature, helps the world find pragmatic solutions to our most pressing environment and development challenges.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchArlington, VA, United StatesHQ recorded Sep 19, 2026501-1,0001,560 contacts →

Exact match

“Since 1987, Conservation International has worked to spotlight and secure the critical benefits that nature provides to humanity.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchWashington, DC, United StatesHQ recorded Sep 19, 20261,001-5,0001,290 contacts →

Exact match

“Our planet faces many big conservation challenges.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 19, 20261,001-5,000937 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 · Sep 19, 2026 · View company records in RevenueBase
10Exact matchSingaporeHQ recorded Sep 19, 20261,001-5,000874 contacts →

Exact match

“Mandai Wildlife Group is dedicated to caring for the planet and protecting animals and nature.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchBryanston, South AfricaHQ recorded Sep 19, 20261,001-5,000625 contacts →

Exact match

“African Parks is a non-profit conservation organisation that takes on responsibility for the long-term management of protected areas in partnership with governments and local…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchSouth AfricaHQ recorded Sep 19, 2026501-1,000602 contacts →

Exact match

“SANBI is a comapny that manages the 9 national botanical gardens in the country and it monitors and reports to the Minister of Water and Environmental Affairs on the status of the…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchReston, VA, United StatesHQ recorded Sep 19, 2026201-500585 contacts →

Exact match

“As America's largest non-profit conservation organization, the National Wildlife Federation works closely with those who span the social and political spectrum, but who are…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchCambridge, United KingdomHQ recorded Sep 19, 2026501-1,000576 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 · Sep 19, 2026 · View company records in RevenueBase
15Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Sep 19, 20265,001-10,000556 contacts →

Exact match

“Continually conserve and manage forests and wildlife using state-of-the-art technology to maintain and promote the historical, physiological and cultural value of the natural…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchLincoln, MA, United StatesHQ recorded Sep 19, 2026201-500554 contacts →

Exact match

“Mass Audubon is the largest nature-based conservation organization in New England.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchMèze, FranceHQ recorded Sep 19, 2026201-500517 contacts →

Exact match

“Fondée en 1993 par des passionnés de nature engagés, Biotope s’est imposée au fil des années comme précurseur et leader mondial de l’ingénierie environnementale et de la…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchMosman, AustraliaHQ recorded Sep 19, 2026501-1,000506 contacts →

Exact match

“Taronga Conservation Society Australia is a not-for-profit organisation that is committed to securing a future for wildlife.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchCape Town, South AfricaHQ recorded Sep 19, 2026501-1,000483 contacts →

Exact match

“CapeNature is the biodiversity conservation authority in the Western Cape, South Africa promoting sustainable eco-tourism and access.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchSt Aignan, FranceHQ recorded Sep 19, 2026501-1,000448 contacts →

Exact match

“Le ZooParc de Beauval n’est pas seulement un lieu d’accueil pour les espèces animales menacées d’extinction dans la nature.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchBogotá D.c., ColombiaHQ recorded Sep 19, 2026501-1,000413 contacts →

Exact match

“El Instituto Humboldt (IAVH) es una corporación civil sin ánimo de lucro, vinculada al Ministerio de Ambiente y Desarollo Sostenible (MADS) colombiano.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchLyon, FranceHQ recorded Sep 19, 2026n/a412 contacts →

Exact match

“D’ici à 2020 au plus tard, les individus sont conscients de la valeur de la diversité biologique et des mesures qu’ils peuvent prendre pour la conserver et l’utiliser de manière…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchBerlin, GermanyHQ recorded Sep 19, 2026201-500398 contacts →

Exact match

“WWF is one of the world's largest and most respected independent nature conservation organizations with around 5 million supporters and a global network that is active in over 100…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchTrondheim, NorwayHQ recorded Sep 19, 2026201-500358 contacts →

Exact match

“The Norwegian Institute for Nature Research (NINA) is Norway’s leading institution for applied ecological research.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchRochefort, FranceHQ recorded Sep 19, 2026201-500352 contacts →

Exact match

“La LPO a pour objet d'agir ou de favoriser les actions en faveur de la nature et de la biodiversité dans les domaines de la connaissance, l’expertise et la recherche; la…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 3,956 biodiversity conservation organizations worldwide

See the full list, filter by size, metro and specialty, and access 20,941 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Biodiversity conservation organizations worldwide at a glance

As of Sep 19, 2026
26.1%Verified-email coverage
20.3Average contacts per company
1-10Median size (employees)
1.1%Largest-city concentration · Paris
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
2,378
11-50
1,057
51-200
337
201-500
99
501-1,000
31
1,001-5,000
23
5,001-10,000
4
10001+
8

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for biodiversity conservation organizations are linked below.
What qualifies
Company records worldwide whose business descriptions match “biodiversity conservation organizations” 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. 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 20,941 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 September 19, 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 conservation organizations by location

20 lists · largest first

Every Biodiversity conservation organizations list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 conservation organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many biodiversity conservation organizations are there worldwide?

RevenueBase identified 3,956 company matches for biodiversity conservation organizations worldwide as of September 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?

The Nature Conservancy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most biodiversity conservation organizations?

The United States leads with 482 companies, followed by France (275) and India (258). Every biodiversity conservation organizations list by country and city is linked on this page.

Which city has the most biodiversity conservation organizations?

Paris leads with 45 company records, followed by London (43) and Washington (25).

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 20,941 professional contacts with verified work emails tracked across these 3,956 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 September 19, 2026.

Ready to reach these companies? Verified emails and direct dials for all 3,956 biodiversity conservation organizations worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.