Company lists · Data verified August 2026

Top 22 Environmental consultancy firms based in Poland

There are 184 environmental consultancy firms headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 1,051 professional contacts across them, including 330 with verified work emails and 25 with mobile numbers. Warszawa is the largest hub.

This list covers environmental consultancy firms headquartered in Poland, 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.

184Companies
1,051Contacts tracked
330Verified emails
25Mobile numbers
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The 22 largest environmental consultancy firms based in Poland

Ranked by team size
Top 22 of 184 environmental consultancy firms based in Poland, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1ILF Consulting Engineers PolskaWarszawa201-5009566
2Antea Group PolandGdansk51-2007250
3H2 ComplianceWarsaw11-505632
4PM Services PolandSzczecin51-2004029
5GUD Geotechnik UND Dynamik Consult GmbhGdynia51-2003718
6MaterialityWarszawa11-502615
7Costa ProjectGdynia11-501911
8Elomatic Engineering Sp. Z O.OLodz11-501711
9RLG PolskaWarszawa11-501613
10Lion EnvironmentalWarsaw11-50125
11Metropolis Doradztwo Gospodarcze Sp. Z O.OPoznan11-50108
12EHS ConsultingGdansk11-50101
13Energotechnika Engineering Sp. Z O.OGliwice51-20091
14Segi-AtWarsaw51-20084
15Open Energy PolskaWarszawa11-5083
16Eko-ProjektPoznan11-5064
17EcothesisWroclaw11-5061
18SMD GroupWroclaw11-5042
19EkolabKobylnica11-5032
20Inżynieria PRO EKO Sp. Z O.OBielsko-Biala11-5031
21Zero Waste Consulting Sp. Z O.OWarszawa11-5031
22RSK CEEWarsaw11-5021

Showing 22 of 184 environmental consultancy firms based in Poland

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Environmental consultancy firms based in Poland at a glance

As of Aug 28, 2026
1-10Median size (employees)
WarszawaLargest hub · 37 HQs
25Contacts with mobile numbers
0Emails re-verified in last 30 days

Companies by employee count

1-10
118
11-50
47
51-200
12
201-500
2
1,001-5,000
1

Environmental consultancy firms by metro

MetroCompanies
Environmental consultancy firms in Warszawa37
Environmental consultancy firms in Poznan15
Environmental consultancy firms in Warsaw15
Environmental consultancy firms in Wroclaw13
Environmental consultancy firms in Gdansk10
Environmental consultancy firms in Krakow10
Environmental consultancy firms in Gdynia8
Environmental consultancy firms in Lodz6

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 “environmental consultancy firms”, with match quality audited by blind human judging, and headquartered in Poland.
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; 0 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 environmental consultancy firms are there based in Poland?

There are 184 environmental consultancy firms headquartered in Poland as of August 2026 (RevenueBase).

What is the largest company on this list?

ILF Consulting Engineers Polska, headquartered in Warszawa, tops this list with the largest team on record.

Which city has the most environmental consultancy firms?

Warszawa leads with 37 headquartered companies, followed by Poznan (15) and Warsaw (15).

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 330 verified decision-maker contacts tracked across these 184 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.

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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.