Company lists · Data refreshed September 2026
Top 25 Ecosystem impact assessors worldwide
RevenueBase identified 5,805 ecosystem impact assessors worldwide as of September 2026 and tracks 58,525 professional contacts across them, including 20,679 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.
This list covers ecosystem impact assessors 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 19, 2026. Country and city lists for ecosystem impact assessors 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.
The 25 largest ecosystem impact assessors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,629 contacts → | ||||
Indirect evidence “Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 732 contacts → | ||||
Indirect evidence “ESA is a 100% employee-owned environmental consulting firm.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 535 contacts → | ||||
Indirect evidence “For 35 years we have been helping investors, lenders, owners, developers, contractors, and property managers reduce risk and optimize their built facilities, infrastructure and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 517 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 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 482 contacts → | ||||
Indirect evidence “A passionate leader in the environmental stewardship industry, Eocene Environmental Group is built on years of enduring relationships and partnerships with a sustainable…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 479 contacts → | ||||
Indirect evidence “Rincon Consultants is a multi-disciplinary environmental sciences, planning, and engineering consulting firm that provides quality professional services to government and industry.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 448 contacts → | ||||
Indirect evidence “Somos uma das maiores consultorias em meio ambiente do Brasil, fundada em 1997, contando, hoje, com uma equipe técnica multidisciplinar permanente, que congrega profissionais das…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 447 contacts → | ||||
Indirect evidence “We are Groundwater & Environmental Services, Inc, better known as GES.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 433 contacts → | ||||
Indirect evidence “AEI Consultants provides building, environmental, land and sustainability assessment and consulting services throughout North America.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 408 contacts → | ||||
Indirect evidence “WEST provides environmental and statistical consulting services and contract research nationally and internationally to industry, government, and private organizations.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 383 contacts → | ||||
Indirect evidence “LUC is an independent, employee-owned environmental consultancy celebrating its 60th anniversary.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 361 contacts → | ||||
Indirect evidence “At EMM, we believe that a sustainable future is achievable, and we are dedicated to helping our clients and the community make it a reality.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 358 contacts → | ||||
Indirect evidence “The Norwegian Institute for Nature Research (NINA) is Norway’s leading institution for applied ecological research.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 305 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 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 298 contacts → | ||||
Indirect evidence “A Amplo Engenharia destaca-se por sua especialização em Estudos Ambientais, abrangendo áreas diretamente relacionadas ao Licenciamento Ambiental, Monitoramento Ambiental…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 272 contacts → | ||||
Indirect evidence “As one of Canada’s Top SME Employers in 2025 and North Vancouver Chamber’s Best Employer in 2024, Hatfield provides high-quality environmental and social services for private and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 262 contacts → | ||||
Indirect evidence “Established in 1996, JBS & G is one of Australia’s leading environmental consultancies with offices in Sydney, Melbourne, Perth, Adelaide, Brisbane, Canberra, Darwin, Wollongong…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 259 contacts → | ||||
Indirect evidence “GSI Environmental, Inc.(GSI), is an environmental engineering and science consulting firm committed to measuring, analyzing, and solving complex environmental problems around the…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 230 contacts → | ||||
Indirect evidence “A Econservation foi fundada com o propósito de prestação de serviços de Consultoria Especializada, com foco na harmonização dos objetivos e metas de seus clientes com o…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 229 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 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 218 contacts → | ||||
Indirect evidence “Founded in 2005, Arbtech has grown into the UK's leading arboricultural and ecological consultancy.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 211 contacts → | ||||
Indirect evidence “We exist to empower people to make a difference.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 210 contacts → | ||||
Indirect evidence “MKO is Ireland’s largest Planning and Environmental consultancy.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 206 contacts → | ||||
Indirect evidence “SGA S.A.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 195 contacts → | ||||
Indirect evidence “Gestión Ambiental Consultores S.A.(GAC) es una empresa de consultoría ambiental fundada en 1991 que presta servicios en distintas áreas de la gestión ambiental para los…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: ecosystem impact assessors. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names ecosystem impact assessors.
- Partial evidence
- Its own public description names part of ecosystem impact assessors, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name ecosystem impact assessors. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 5,805 ecosystem impact assessors worldwide
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Ecosystem impact assessors worldwide at a glance
As of Sep 19, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 ecosystem impact assessors, 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
- Every country. Country and city lists for ecosystem impact assessors are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “ecosystem impact assessors”. 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 ecosystem impact assessors), 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 ecosystem impact assessors, 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, 20,679 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 19, 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.
Ecosystem impact assessors by location
32 lists · largest firstEvery Ecosystem impact assessors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Ecosystem impact assessors based in Brazil956
- Ecosystem impact assessors based in the United States620
- Ecosystem impact assessors based in the United Kingdom468
- Ecosystem impact assessors based in Australia313
- Ecosystem impact assessors based in Canada229
- Ecosystem impact assessors based in France204
- Ecosystem impact assessors based in South Africa184
- Ecosystem impact assessors based in India157
- Ecosystem impact assessors based in Chile138
- Ecosystem impact assessors based in Spain138
- Ecosystem impact assessors based in Türkiye98
- Ecosystem impact assessors based in the Netherlands98
- Ecosystem impact assessors based in Mexico92
- Ecosystem impact assessors based in Colombia88
- Ecosystem impact assessors based in Germany79
- Ecosystem impact assessors based in Italy64
- Ecosystem impact assessors based in Indonesia55
- Ecosystem impact assessors based in Peru53
- Ecosystem impact assessors based in Poland44
- Ecosystem impact assessors based in Portugal39
- Ecosystem impact assessors based in Switzerland38
- Ecosystem impact assessors based in Sweden37
- Ecosystem impact assessors based in Greece36
- Ecosystem impact assessors based in New Zealand35
- Ecosystem impact assessors based in Saudi Arabia35
- Ecosystem impact assessors based in Ireland31
- Ecosystem impact assessors based in Belgium29
Cities
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 ecosystem impact assessors, 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 ecosystem impact assessors are there worldwide?
RevenueBase identified 5,805 ecosystem impact assessors 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?
Swca Environmental Consultants, headquartered in Phoenix, tops this list with the largest team on record.
Which country has the most ecosystem impact assessors?
Brazil leads with 956 companies, followed by the United States (620) and the United Kingdom (468). Every ecosystem impact assessors list by country and city is linked on this page.
Which city has the most ecosystem impact assessors?
Sao Paulo leads with 100 headquartered companies, followed by Belo Horizonte (54) and Curitiba (40).
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 20,679 verified decision-maker contacts tracked across these 5,805 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 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 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.