Company lists · Data verified August 2026

Top 25 Ecological consulting firms based in Brazil

There are 2,742 ecological consulting firms headquartered in Brazil (RevenueBase, August 2026). RevenueBase tracks 21,681 professional contacts across them, including 3,398 with verified work emails and 367 with mobile numbers. Sao Paulo is the largest hub.

This list covers ecological consulting firms headquartered in Brazil, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

2,742Companies
21,681Contacts tracked
3,398Verified emails
367Mobile numbers
Unlock all 2,742 companies Free account · no credit card · 2 minutes

The 25 largest ecological consulting firms based in Brazil

Ranked by team size
Top 25 of 2,742 ecological consulting firms based in Brazil, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1CTA EngenhariaRio De Janeiro201-50054651
2ERG EngenhariaMariana201-50047674
3Sete Soluções E Tecnologia AmbientalBelo Horizonte501-1,000444178
4Stcp Engenharia DE ProjetosCuritiba201-50036681
5Amplo Engenharia E Gestão DE ProjetosBelo Horizonte201-500299101
6Walm Engenharia E Tecnologia AmbientalSao Paulo51-20023510
7GAP SsmaGoiania201-50023424
8Econservation Estudos E Projetos AmbientaisVitoria51-20023031
9AmbientareSao Paulo51-20022458
10Environpact Sustentabilidade E ResiliênciaRio De Janeiro51-20019898
11Previne Engenharia & Gestão DE RiscosCamacari201-5001713
12CPEAItatira51-2001365
13Caruso Soluções Ambientais & TecnológicasFlorianopolis51-20013162
14NovaluzConceicao Do Mato Dentro201-50011727
15Geoestável Consultoria E Projetos LtdaBelo Horizonte201-5009453
16MPB EngenhariaFlorianopolis51-2009434
17Rhama Consultoria AmbientalPorto Alegre51-2008645
18Agroflor Engenharia E Meio AmbienteVicosa51-2008618
19Sanex SoluçõesSorocaba51-200817
20Crnbio Ambiental E ArqueologiaMossoro51-2007212
21Mineral Engenharia E Meio AmbienteSao Paulo51-2006416
22JGP Gestão AmbientalSao Paulo51-2006224
23Envex Engenharia E ConsultoriaCuritiba51-2006210
24AzuritBelo Horizonte51-2005820
25Aplysia Soluções AmbientaisSerra51-200539

Showing 25 of 2,742 ecological consulting firms based in Brazil

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 3,398 reachable decision-makers.

Free account · no credit card

See all 2,742 companies

Ecological consulting firms based in Brazil at a glance

As of Aug 28, 2026
1-10Median size (employees)
Sao PauloLargest hub · 298 HQs
367Contacts with mobile numbers
8Emails re-verified in last 30 days

Companies by employee count

1-10
1,975
11-50
596
51-200
124
201-500
19
501-1,000
1
1,001-5,000
3

Ecological consulting firms by metro

MetroCompanies
Ecological consulting firms in Sao Paulo298
Ecological consulting firms in Belo Horizonte144
Ecological consulting firms in Rio De Janeiro120
Ecological consulting firms in Curitiba114
Ecological consulting firms in Porto Alegre70
Ecological consulting firms in Campinas53
Ecological consulting firms in Salvador48
Ecological consulting firms in Goiania46

How this list was built

Source
The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion
Companies whose own business descriptions match “ecological consulting firms”, with match quality audited by blind human judging, and headquartered in Brazil.
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
Contact records re-verify on a rolling cadence; 8 contacts on this list were re-verified in the last 30 days.
Refresh
Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many ecological consulting firms are there based in Brazil?

There are 2,742 ecological consulting firms headquartered in Brazil as of August 2026 (RevenueBase).

What is the largest company on this list?

CTA Engenharia, headquartered in Rio De Janeiro, tops this list with the largest team on record.

Which city has the most ecological consulting firms?

Sao Paulo leads with 298 headquartered companies, followed by Belo Horizonte (144) and Rio De Janeiro (120).

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 3,398 verified decision-maker contacts tracked across these 2,742 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 2,742 ecological consulting firms based in Brazil. Start with a free account, no credit card.

Get the full list

Related lists

About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.