Company lists · Data refreshed September 2026

Top 25 Conservation nonprofits based in the Netherlands

Name: Conservation nonprofits based in the Netherlands
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 141 companies tracked

RevenueBase identified 141 company matches for conservation nonprofits associated with the Netherlands as of September 2026 and tracks 6,191 professional contacts across them, including 1,843 with verified work emails. Amsterdam is the largest hub.

This list covers company matches for conservation nonprofits associated with the Netherlands, 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.

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

141Companies

6,191Contacts tracked

1,843Verified emails

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The 25 largest conservation nonprofits based in the Netherlands

Ranked by team size

Top 25 of 141 company matches for conservation nonprofits based in the Netherlands, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Greenpeace	Exact match	Amsterdam, NetherlandsHQ recorded Sep 19, 2026	n/a	2,945 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
2	Natuurmonumenten	Exact match	Amersfoort, NetherlandsHQ recorded Sep 19, 2026	501-1,000	1,040 contacts →
	Exact match “Natuurmonumenten is de vereniging voor mensen met hart voor de natuur.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	Wereld Natuur Fonds Wwf-Nl	Exact match	Zeist, NetherlandsHQ recorded Sep 19, 2026	51-200	265 contacts →
	Exact match “Natuur is het grootste wonder op aarde.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	Vebego Groen	Exact match	Meerssen, NetherlandsHQ recorded Sep 19, 2026	501-1,000	150 contacts →
	Exact match “Bij Vebego Groen draait het om meer dan alleen onderhoud van de buitenruimte.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	Stichting Landschap Noord-Holland	Exact match	Heiloo, NetherlandsHQ recorded Sep 19, 2026	51-200	95 contacts →
	Exact match “Landschap Noord-Holland: Natuur dichtbij!” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	RAVON	Exact match	Nijmegen, NetherlandsHQ recorded Sep 19, 2026	51-200	88 contacts →
	Exact match “RAVON is al ruim 35 jaar de onafhankelijke natuurbeschermingsorganisatie zonder winstoogmerk die, tezamen met veel vrijwilligers, inheemse reptielen, amfibieën en vissen en hun…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	Natuur & Milieu	Exact match	Utrecht, NetherlandsHQ recorded Sep 19, 2026	11-50	80 contacts →
	Exact match “Wij zijn Natuur & Milieu, een naam die zegt wat we doen.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	Utrechts Landschap	Exact match	De Bilt, NetherlandsHQ recorded Sep 19, 2026	51-200	80 contacts →
	Exact match “Utrechts Landschap is dé beschermer van natuur en erfgoed in provincie Utrecht.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	DE Vlinderstichting Dutch Butterfly Conservation	Exact match	Wageningen, NetherlandsHQ recorded Sep 19, 2026	11-50	76 contacts →
	Exact match “De Vlinderstichting is in 1983 opgericht.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	Stichting HET Zuid-Hollands Landschap	Exact match	Delft, NetherlandsHQ recorded Sep 19, 2026	51-200	76 contacts →
	Exact match “Het Zuid-Hollands Landschap bestaat al sinds 1934.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	Natuurhuisje	Exact match	Breda, NetherlandsHQ recorded Sep 19, 2026	11-50	52 contacts →
	Exact match “We are a nature protection company.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	Viable Community	Exact match	The Hague, NetherlandsHQ recorded Sep 19, 2026	11-50	41 contacts →
	Exact match “Welcome to your Viable Community, a non-profit organization rooted in the European Union and committed to the preservation and regeneration of nature.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	SEA Ranger Service	Exact match	Amsterdam, NetherlandsHQ recorded Sep 19, 2026	11-50	38 contacts →
	Exact match “The Sea Ranger Service is a social company on a bold mission to restore 1 million hectares of ocean biodiversity by 2040, whilst training young people towards a maritime career.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	Natuur EN Milieufederatie Utrecht	Exact match	Utrecht, NetherlandsHQ recorded Sep 19, 2026	11-50	34 contacts →
	Exact match “De Natuur en Milieufederatie Utrecht (NMU) werkt aan een mooie en duurzame provincie Utrecht: een provincie met een mooi landschap, een rijke natuur en een schoon milieu.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	Stichting Bargerveen	Exact match	Nijmegen, NetherlandsHQ recorded Sep 19, 2026	11-50	30 contacts →
	Exact match “Stichting Bargerveen is een onafhankelijke stichting die werkt aan een duurzaam herstel en behoud van natuur.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	Friends Of The Earth International	Exact match	Amsterdam, NetherlandsHQ recorded Sep 19, 2026	11-50	29 contacts →
	Exact match “Our vision is of a peaceful and sustainable world based on societies living in harmony with nature.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	ZMF	Exact match	Middelburg, NetherlandsHQ recorded Sep 19, 2026	11-50	29 contacts →
	Exact match “De ZMf is een overkoepelende natuur- en milieuorganisatie die werkt aan een mooi en duurzaam Zeeland.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	Natuur EN Milieu Gelderland	Exact match	Arnhem, NetherlandsHQ recorded Sep 19, 2026	11-50	16 contacts →
	Exact match “Samen voor een mooi en duurzaam Gelderland, daarvoor zet Natuur en Milieu Gelderland zich in.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	Adopteer Regenwoud	Exact match	Zuidoostbeemster, NetherlandsHQ recorded Sep 19, 2026	1-10	15 contacts →
	Exact match “It is common knowledge that tropical ecosystems are threatened heavily.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	Buiteninn	Exact match	Rijssen, NetherlandsHQ recorded Sep 19, 2026	1-10	12 contacts →
	Exact match “Stel je een plek voor waar alles in evenwicht is: cultuur-natuur, mens-dier, economie-ecologie, werk-ontspanning.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Stichting HET Drentse Landschap	Exact match	Assen, NetherlandsHQ recorded Sep 19, 2026	1-10	12 contacts →
	Exact match “we always do it in a transparent, honest, efficient and pragmatic way.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	Brabantse Milieufederatie	Exact match	Tilburg, NetherlandsHQ recorded Sep 19, 2026	11-50	11 contacts →
	Exact match “De Brabantse Milieufederatie staat voor een schoon milieu, vitale natuur, een gezonde leefomgeving en een gevarieerd landschap voor alle Brabanders, nu en straks.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	Hoekschewaards Landschap	Exact match	Oud-beijerland, NetherlandsHQ recorded Sep 19, 2026	1-10	11 contacts →
	Exact match “HWL is de organisatie die gericht is op behoud, bescherming, beheer en ontwikkeling van natuur en landschap in de Hoeksche Waard.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	Sensing Clues	Exact match	Amsterdam, NetherlandsHQ recorded Sep 19, 2026	1-10	11 contacts →
	Exact match “PREVENT WILDLIFE THREATS BEFORE THEY ARISE WITH DATA- & AI-DRIVEN CONSERVATION TECHNOLOGY Sensing Clues is a non-profit organisation dedicated to nature conservation and wildlife…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25	Natuur EN Milieufederatie Zuid-Holland	Exact match	The Hague, NetherlandsHQ recorded Sep 19, 2026	1-10	10 contacts →
	Exact match “De Natuur en Milieufederatie Zuid-Holland (NMZH) komt op voor een duurzame samenleving.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “conservation nonprofits”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 141 conservation nonprofits based in the Netherlands

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Conservation nonprofits based in the Netherlands at a glance

As of Sep 19, 2026

29.8%Verified-email coverage

43.9Average contacts per company

1-10Median size (employees)

18.4%Largest-city concentration · Amsterdam

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured worldwide rather than for Netherlands, so it is reported there. Company counts and contact totals on this page are exact for Netherlands, over 141 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 Netherlands whose business descriptions match “conservation 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 1,843 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.

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

How many conservation nonprofits are there based in the Netherlands?

RevenueBase identified 141 company matches for conservation nonprofits associated with the Netherlands 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?

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

Which city has the most conservation nonprofits?

Amsterdam leads with 26 company records, followed by Utrecht (6) and The Hague (4).

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 1,843 professional contacts with verified work emails tracked across these 141 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.

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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.