Company lists · Data refreshed November 2026

Top 25 Nature-based solutions consultants worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 10,980 companies tracked

RevenueBase identified 10,980 company matches for nature-based solutions consultants worldwide as of November 2026 and tracks 154,945 professional contacts across them, including 56,392 with verified work emails. Brazil is the largest market and London the largest hub.

This list covers company matches for nature-based solutions consultants 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 consultants 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

10,980Companies

154,945Contacts tracked

56,392Verified emails

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The 25 largest nature-based solutions consultants worldwide

Ranked by team size

Top 25 of 10,980 company matches for nature-based solutions consultants 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	WSP In The U.S	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	10001+	10,188 contacts →
	Exact match “What if you could shape built and natural environments – and the future of those that use them?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	ERM	Exact match	London, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	9,761 contacts →
	Exact match “Sustainability is our business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	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
4	IUCN	Exact match	Gland, SwitzerlandHQ recorded Nov 6, 2026	501-1,000	1,996 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 · Nov 6, 2026 · View company records in RevenueBase
5	Swca Environmental Consultants	Exact match	Phoenix, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,695 contacts →
	Exact match “Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Antea Group Nederland	Exact match	Heerenveen, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	1,468 contacts →
	Exact match “Antea Group is het thuis van 1800 trotse ingenieurs en adviseurs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	World Wildlife Fund	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,384 contacts →
	Exact match “Our planet faces many big conservation challenges.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Verdantas	Exact match	Tampa, FL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,275 contacts →
	Exact match “At Verdantas, we blend engineering and environmental science together with advanced technology and world-renowned labs to create solutions with the big picture in mind.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	DGE Danmark	Exact match	Højbjerg, DenmarkHQ recorded Nov 6, 2026	n/a	1,192 contacts →
	Exact match “Miljø er vores kernekompetence og vores ansvar.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	OLA	Exact match	Austin, TX, United StatesHQ recorded Nov 6, 2026	n/a	1,164 contacts →
	Exact match “OLA Sustainability, LLC OLA Sustainability is a consulting firm that focuses on integrating sustainable practices into commercial and multifamily design projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Braun Intertec Corporation	Exact match	Minneapolis, MN, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,149 contacts →
	Exact match “At Braun Intertec, we work at the intersection of the natural and built environments, combining science, technology, and engineering.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Trinity Consultants	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,114 contacts →
	Exact match “Trinity Consultants is a global team of specialists helping organizations solve complex challenges in environmental compliance, ecological protection, infrastructure and built…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	TSE	Exact match	São Paulo/sp, BrazilHQ recorded Nov 6, 2026	5,001-10,000	1,084 contacts →
	Exact match “Somos a TSE - Total Sustainable Engineering.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Parametrix	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	501-1,000	923 contacts →
	Exact match “At Parametrix, we help our clients imagine what's possible.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	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
16	Tauw Nederland	Exact match	Deventer, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	818 contacts →
	Exact match “TAUW is een Europees advies- en ingenieursbureau.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Environmental Science Associates	Exact match	San Francisco, OR, United StatesHQ recorded Nov 6, 2026	501-1,000	748 contacts →
	Exact match “ESA is a 100% employee-owned environmental consulting firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Pell Frischmann	Exact match	London, United KingdomHQ recorded Nov 6, 2026	501-1,000	715 contacts →
	Exact match “Pell Frischmann is a specialist advisory and technical consultancy operating across the built and natural environment, helping to shape a better future for the communities in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	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
20	CSD Engineers	Exact match	Givisiez, SwitzerlandHQ recorded Nov 6, 2026	1,001-5,000	662 contacts →
	Exact match “CSD is one of the leading engineering consultancy enterprises in Switzerland.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Quadrante	Exact match	Alfragide, PortugalHQ recorded Nov 6, 2026	1,001-5,000	655 contacts →
	Exact match “Quadrante is an Iberian leading professional services consulting firm in Engineering, Architecture, Environment and Sustainability, renowned for its agility, client-centric…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	SCE Aménagement & Environnement	Exact match	Nantes Cedex 2, FranceHQ recorded Nov 6, 2026	501-1,000	628 contacts →
	Exact match “SCE works closely for public and private actors on their sustainable territorial development projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Fauna & Flora	Exact match	Cambridge, United KingdomHQ recorded Nov 6, 2026	501-1,000	606 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
24	Synergia Consultoria Socioambiental	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	201-500	587 contacts →
	Exact match “We are a company specialized in pioneer socio-environmental consultancy, in which for more than 17 years have worked with the creation and execution of effective solutions to the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	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

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 consultants”. 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 10,980 nature-based solutions consultants worldwide

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Nature-based solutions consultants worldwide at a glance

As of Nov 6, 2026

36.4%Verified-email coverage

14.1Average contacts per company

1-10Median size (employees)

1.8%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

7,612

11-50

2,579

51-200

539

201-500

112

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 consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “nature-based solutions consultants” 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 56,392 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 consultants by location

66 lists · largest first

Every Nature-based solutions consultants 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 consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nature-based solutions consultants are there worldwide?

RevenueBase identified 10,980 company matches for nature-based solutions consultants 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?

WSP In The U.S 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 consultants?

Brazil leads with 1,177 companies, followed by the United States (1,050) and the United Kingdom (717). Every nature-based solutions consultants list by country and city is linked on this page.

Which city has the most nature-based solutions consultants?

London leads with 201 company records, followed by Sao Paulo (152) and Paris (106).

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 56,392 professional contacts with verified work emails tracked across these 10,980 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.