Company lists · Data refreshed November 2026

Top 25 Nature-based solutions nonprofits worldwide

Name: Nature-based solutions nonprofits worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 9,127 companies tracked

RevenueBase identified 9,127 company matches for nature-based solutions nonprofits worldwide as of November 2026 and tracks 95,245 professional contacts across them, including 28,098 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for nature-based solutions nonprofits 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 November 6, 2026. Country and city lists for nature-based solutions nonprofits 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 Nov 6, 2026 How this list was built

9,127Companies

95,245Contacts tracked

28,098Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest nature-based solutions nonprofits worldwide

Ranked by team size

Top 25 of 9,127 company matches for nature-based solutions nonprofits worldwide, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	The Nature Conservancy	Exact match	Arlington, NC, United StatesHQ recorded Nov 6, 2026	5,001-10,000	6,991 contacts →
	Exact match “Air, water, food, shelter, income: nature sustains every aspect of our lives.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Conservation International	Exact match	Arlington, VA, United StatesHQ recorded Nov 6, 2026	501-1,000	1,622 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 · Nov 6, 2026 · View company records in RevenueBase
3	Environmental Defense Fund	Exact match	New York, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,446 contacts →
	Exact match “We are Environmental Defense Fund, a leading environmental nonprofit focused on stabilizing the climate while helping build strong and healthy communities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	World Resources Institute	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,369 contacts →
	Exact match “WRI works to improve people’s lives, protect and restore nature and stabilize the climate.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Kingspan Light AIR	Exact match	Kingscourt, FranceHQ recorded Nov 6, 2026	1,001-5,000	881 contacts →
	Exact match “We create naturally performing environments for a net zero future with the wellbeing of people & planet at heart.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Student Conservation Association	Exact match	Arlington, WA, United StatesHQ recorded Nov 6, 2026	201-500	880 contacts →
	Exact match “The Student Conservation Association (SCA) is the largest provider of hands-on environmental conservation programs for youth and adults.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Koppert	Exact match	Berkel En Rodenrijs, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	878 contacts →
	Exact match “To make our world more sustainable, we need ways of growing that are both safe and healthy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Resource Environmental Solutions LLC	Exact match	Bellaire, NC, United StatesHQ recorded Nov 6, 2026	501-1,000	695 contacts →
	Exact match “As the nation’s largest dedicated provider of nature-based solutions, RES (Resource Environmental Solutions) is restoring a resilient earth for a modern world, project by project.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Centre For Alternative Technology	Exact match	Machynlleth, United KingdomHQ recorded Nov 6, 2026	n/a	654 contacts →
	Exact match “Mae Canolfan y Dechnoleg Amgen yn elusen addysg amgylcheddol sydd wedi bod yn rhannu atebion i faterion amgylcheddol ac ymchwilio iddyn nhw ers dros 50 mlynedd – gan weithio tuag…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Eocene Environmental Group	Exact match	United StatesHQ recorded Nov 6, 2026	501-1,000	560 contacts →
	Exact match “A passionate leader in the environmental stewardship industry, Eocene Environmental Group is built on years of enduring relationships and partnerships with a sustainable…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Biotope	Exact match	Mèze, FranceHQ recorded Nov 6, 2026	201-500	555 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 · Nov 6, 2026 · View company records in RevenueBase
12	Kanadevia Corporation	Exact match	Osaka, JapanHQ recorded Nov 6, 2026	10001+	505 contacts →
	Exact match “Taking on the challenge, through the power of technology, to create a world that lives in balance with nature.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Foundation For Ecological Security FES	Exact match	Anand, IndiaHQ recorded Nov 6, 2026	201-500	465 contacts →
	Exact match “We work towards the ecological restoration and conservation of land and water resources, in conserving the uplands and other eco-fragile, degraded and marginalised zones of the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	OLMIX	Exact match	Bréhan, FranceHQ recorded Nov 6, 2026	501-1,000	449 contacts →
	Exact match “Olmix is developing an international ecosystem of partners – farmers, integrators and distributors – to grow plants and raise animals while ensuring profitability for farmers and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	RARE	Exact match	Arlington, VA, United StatesHQ recorded Nov 6, 2026	51-200	396 contacts →
	Exact match “Rare is a global leader in driving social change for people and nature.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	LPO France	Exact match	Rochefort, FranceHQ recorded Nov 6, 2026	201-500	386 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 · Nov 6, 2026 · View company records in RevenueBase
17	IFAW	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	201-500	367 contacts →
	Exact match “IFAW explores new ways to improve conditions for animals, people, and the place we call home-and we’ve been leading the way for over 50 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Ambipar Europe	Exact match	London, United KingdomHQ recorded Nov 6, 2026	10001+	344 contacts →
	Exact match “At Ambipar, we are all caretakers of the planet!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Fujita Corporation Japan	Exact match	JapanHQ recorded Nov 6, 2026	10001+	296 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Yayasan Konservasi Alam Nusantara	Exact match	Jakarta Selatan, IndonesiaHQ recorded Nov 6, 2026	51-200	283 contacts →
	Exact match “Yayasan Konservasi Alam Nusantara (YKAN) adalah organisasi nirlaba berbasis ilmiah yang hadir di Indonesia sejak 2014.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Varaha	Exact match	Gurgaon, IndiaHQ recorded Nov 6, 2026	51-200	273 contacts →
	Exact match “Varaha is a leading global climate tech startup that specializes in nature-based solutions, including regenerative agriculture, agroforestry, and biochar projects that promote…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	PUR	Exact match	Paris, ON, FranceHQ recorded Nov 6, 2026	201-500	265 contacts →
	Exact match “Since 2008, PUR has helped companies turn climate and nature commitments into measurable impact on the ground.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	SOP Società Benefit	Exact match	Busto Arsizio, ItalyHQ recorded Nov 6, 2026	n/a	249 contacts →
	Exact match “SOP Save Our Planet nasce nel 2001 con una missione: Salvare il nostro Pianeta rendendo sostenibili l’agricoltura e l’allevamento intensivi.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Naturskyddsföreningen Ssnc	Exact match	Stockholm, SwedenHQ recorded Nov 6, 2026	51-200	248 contacts →
	Exact match “The Swedish Society for Nature Conservation (SSNC) is an environmental organization with power to bring about change.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Ceres, INC	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	51-200	241 contacts →
	Exact match “Ceres is a nonprofit advocacy organization working to accelerate the transition to a cleaner, more just, and resilient world.” Recorded in the RevenueBase company graph · Nov 6, 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 “nature-based solutions 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 9,127 nature-based solutions nonprofits worldwide

See the full list, filter by size, metro and specialty, and access 28,098 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Nature-based solutions nonprofits worldwide at a glance

As of Nov 6, 2026

29.5%Verified-email coverage

10.4Average contacts per company

1-10Median size (employees)

1.7%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

6,146

11-50

2,267

51-200

490

201-500

103

501-1,000

1,001-5,000

5,001-10,000

10001+

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 nature-based solutions nonprofits are linked below.
What qualifies: Company records worldwide whose business descriptions match “nature-based solutions 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. 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 28,098 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.

Nature-based solutions nonprofits by location

52 lists · largest first

Every Nature-based solutions nonprofits list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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

How many nature-based solutions nonprofits are there worldwide?

RevenueBase identified 9,127 company matches for nature-based solutions nonprofits worldwide 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?

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 nature-based solutions nonprofits?

The United States leads with 1,915 companies, followed by India (611) and the United Kingdom (449). Every nature-based solutions nonprofits list by country and city is linked on this page.

Which city has the most nature-based solutions nonprofits?

London leads with 151 company records, followed by Sao Paulo (81) and Paris (69).

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 28,098 professional contacts with verified work emails tracked across these 9,127 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.

Ready to reach these companies? Verified emails and direct dials for all 9,127 nature-based solutions nonprofits worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.