Company lists · Data refreshed September 2026

Top 25 Ecological restoration companies worldwide

RevenueBase identified 3,139 ecological restoration companies worldwide as of September 2026 and tracks 40,723 professional contacts across them, including 15,348 with verified work emails and 0 with mobile numbers. The United States is the largest market and London the largest hub.

This list covers ecological restoration companies worldwide, 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 15, 2026. Country and city lists for ecological restoration companies follow the table.

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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 15, 2026 86% judged on-target in blind review
3,139Companies
40,723Contacts tracked
15,348Verified emails
0Mobile numbers
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The 25 largest ecological restoration companies worldwide

Ranked by team size
Top 25 of 3,139 ecological restoration companies worldwide, ranked by team size, largest first. Data refreshed Sep 15, 2026. RevenueBase Smart Search rates how each company's information relates to ecological restoration companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceArlington, VA, United StatesHQ checked Sep 15, 20265,001-10,0006,526 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 15, 2026
2Indirect evidenceSandy, United StatesHQ checked Sep 15, 20261,001-5,0001,969 contacts →

Indirect evidence

“Passionate about nature, dedicated to saving it.”

Source: RevenueBase Database · checked Sep 15, 2026
3Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 15, 2026501-1,000732 contacts →

Indirect evidence

“ESA is a 100% employee-owned environmental consulting firm.”

Source: RevenueBase Database · checked Sep 15, 2026
4Indirect evidenceBellaire, TX, United StatesHQ checked Sep 15, 2026501-1,000677 contacts →

Indirect evidence

“As the nation’s largest nature-based solutions company, RES (Resource Environmental Solutions) is restoring a resilient earth for a modern world, project by project.”

Source: RevenueBase Database · checked Sep 15, 2026
5Indirect evidenceSan Donato Milanese, ItalyHQ checked Sep 15, 20261,001-5,000543 contacts →

Indirect evidence

“We are Eni’s environmental company active for over 20 years, in giving new life, according to the principles of the circular economy, to industrial land, water and waste through…”

Source: RevenueBase Database · checked Sep 15, 2026
6Indirect evidenceMèze, FranceHQ checked Sep 15, 2026201-500517 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 15, 2026
7Strong evidenceAnand, IndiaHQ checked Sep 15, 2026201-500461 contacts →

Strong evidence

“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…”

Source: RevenueBase Database · checked Sep 15, 2026
8Indirect evidenceReston, VA, United StatesHQ checked Sep 15, 2026501-1,000430 contacts →

Indirect evidence

“HydroGeoLogic, Inc.(HGL) is an employee-owned company with over 36 years of experience developing innovative, effective, and sustainable engineering and remediation solutions to…”

Source: RevenueBase Database · checked Sep 15, 2026
9Indirect evidenceSneek, NetherlandsHQ checked Sep 15, 2026501-1,000425 contacts →

Indirect evidence

“Welcome to Donker Groep.”

Source: RevenueBase Database · checked Sep 15, 2026
10Indirect evidenceGainesville, FL, United StatesHQ checked Sep 15, 2026201-500305 contacts →

Indirect evidence

“Environmental Consulting & Technology, Inc.(ECT) is a multi-disciplinary environmental and sustainability consulting firm delivering strategy, permitting, design, and management…”

Source: RevenueBase Database · checked Sep 15, 2026
11Indirect evidenceMargny-lès-compiègne, FranceHQ checked Sep 15, 202651-200286 contacts →

Indirect evidence

“Entreprise spécialisée en génie environnemental, Brézillon agit depuis près de 30 ans pour préserver, restaurer et valoriser les terrains sur l’ensemble du territoire national.”

Source: RevenueBase Database · checked Sep 15, 2026
12Partial evidenceMinneapolis, MN, United StatesHQ checked Sep 15, 2026201-500264 contacts →

Partial evidence

“Merjent is an environmental, restoration, and engineering consulting firm with a long history serving the energy industry.”

Source: RevenueBase Database · checked Sep 15, 2026
13Indirect evidenceCentennial, CO, United StatesHQ checked Sep 15, 2026201-500255 contacts →

Indirect evidence

“At Forgen, we leave the planet better than we found it.”

Source: RevenueBase Database · checked Sep 15, 2026
14Indirect evidenceAzusa, CA, United StatesHQ checked Sep 15, 2026501-1,000254 contacts →

Indirect evidence

“Alliance is one of the most experienced and trusted environmental contractors in California.”

Source: RevenueBase Database · checked Sep 15, 2026
15Indirect evidenceWest Des Moines, IA, United StatesHQ checked Sep 15, 20265,001-10,000234 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 15, 2026
16Partial evidenceCalverton, NY, United StatesHQ checked Sep 15, 2026201-500231 contacts →

Partial evidence

“Miller Environmental Group is a leading environmental response, remediation and restoration services company, providing industry, government, commercial and residential customers…”

Source: RevenueBase Database · checked Sep 15, 2026
17Indirect evidenceLa Reina, ChileHQ checked Sep 15, 2026201-500229 contacts →

Indirect evidence

“El Centro de Ecología Aplicada (CEA) es una empresa de consultoría e investigación aplicada en temas ecológicos y ambientales, que ofrece soluciones integradas e innovadoras en el…”

Source: RevenueBase Database · checked Sep 15, 2026
18Indirect evidenceMissoula, MT, United StatesHQ checked Sep 15, 2026201-500225 contacts →

Indirect evidence

“Envirocon safely and reliably delivers projects that protect, remediate, and restore our environment for commercial and government clients nationwide.”

Source: RevenueBase Database · checked Sep 15, 2026
19Indirect evidenceConselheiro Lafaiete, BrazilHQ checked Sep 15, 2026201-500191 contacts →

Indirect evidence

“GHB Revegetação Ambiental is a motion pictures and film company based out of 1516 BR-482 - Gigante, Conselheiro Lafaiete, Brazil.”

Source: RevenueBase Database · checked Sep 15, 2026
20Indirect evidenceSpallumcheen, BC, CanadaHQ checked Sep 15, 2026201-500177 contacts →

Indirect evidence

“With over 50 years of experience and 6 billion seedlings grown, we provide the scale and expertise required to meet North America's most pressing reforestation needs.”

Source: RevenueBase Database · checked Sep 15, 2026
21Indirect evidenceMelbourne, AustraliaHQ checked Sep 15, 202651-200170 contacts →

Indirect evidence

“We are the environmental not-for-profit that thinks bigger than the environment.”

Source: RevenueBase Database · checked Sep 15, 2026
22Partial evidenceHelsby, United KingdomHQ checked Sep 15, 2026201-500164 contacts →

Partial evidence

“RSK Biocensus is an ecological consultancy with a presence across the country and an extensive network of ecologists throughout the UK.”

Source: RevenueBase Database · checked Sep 15, 2026
23Indirect evidenceBallarat, AustraliaHQ checked Sep 15, 202651-200161 contacts →

Indirect evidence

“CVA is Australia’s leading conservation organisation, empowering people to take action for nature since 1982.”

Source: RevenueBase Database · checked Sep 15, 2026
24Indirect evidenceToronto, ON, CanadaHQ checked Sep 15, 202651-200142 contacts →

Indirect evidence

“Founded in 1967, World Wildlife Fund Canada is the country’s largest international conservation organization, with the active support of hundreds of thousands of Canadians.”

Source: RevenueBase Database · checked Sep 15, 2026
25Indirect evidenceCulemborg, NetherlandsHQ checked Sep 15, 202651-200140 contacts →

Indirect evidence

“Independent, practical research, advice and consultancy for people and wildlife.”

Source: RevenueBase Database · checked Sep 15, 2026

Showing 25 of 3,139 ecological restoration companies worldwide

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Ecological restoration companies worldwide at a glance

As of Sep 15, 2026
37.7%Verified-email coverage
13.0Average contacts per company
1-10Median size (employees)
1.1%Largest-city concentration · London
Sep 15, 2026Page data refreshed

Companies by employee count

1-10
1,857
11-50
940
51-200
252
201-500
47
501-1,000
12
1,001-5,000
8
5,001-10,000
2
10001+
1

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 ecological restoration companies, 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.
Coverage
16 countries, largest first: the United States, the United Kingdom, Brazil, France, Australia, Canada, the Netherlands, India, Germany, Spain and 6 more. Country and city lists for ecological restoration companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “ecological restoration companies”. 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 ecological restoration companies), 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 ecological restoration companies, and records with no verified work email.
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, 15,348 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 15, 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.

Ecological restoration companies by location

16 lists · largest first

Every Ecological restoration companies 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 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 ecological restoration companies, 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 ecological restoration companies are there worldwide?

RevenueBase identified 3,139 ecological restoration companies worldwide 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?

The Nature Conservancy, headquartered in Arlington, tops this list with the largest team on record.

Which country has the most ecological restoration companies?

The United States leads with 1,152 companies, followed by the United Kingdom (337) and Brazil (260). Every ecological restoration companies list by country and city is linked on this page.

Which city has the most ecological restoration companies?

London leads with 36 headquartered companies, followed by Sao Paulo (27) and Paris (18).

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 15,348 verified decision-maker contacts tracked across these 3,139 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 15, 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 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.