Company lists · Data verified August 2026

Top 25 Environmental consulting firms based in Poland

Name: Environmental consulting firms based in Poland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 168 companies tracked

There are 168 environmental consulting firms headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 921 professional contacts across them, including 338 with verified work emails and 24 with mobile numbers. Warszawa is the largest hub.

This list covers environmental consulting 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.

168Companies

921Contacts tracked

338Verified emails

24Mobile numbers

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The 25 largest environmental consulting firms based in Poland

Ranked by team size

Top 25 of 168 environmental consulting firms based in Poland, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Eneris	Chrzanow	1,001-5,000	220	151
2	Antea Group Poland	Gdansk	51-200	72	50
3	H2 Compliance	Warsaw	11-50	56	32
4	Costa Project	Gdynia	11-50	19	11
5	Elomatic Engineering Sp. Z O.O	Lodz	11-50	17	11
6	Lion Environmental	Warsaw	11-50	12	5
7	Metropolis Doradztwo Gospodarcze Sp. Z O.O	Poznan	11-50	10	8
8	Kancelaria Ekologiczna	Poznan	1-10	10	5
9	EHS Consulting	Gdansk	11-50	10	1
10	Ekologus Sp. Z O.O	Bielsko-Biala	1-10	8	6
11	Segi-At	Warsaw	51-200	8	4
12	Open Energy Polska	Warszawa	11-50	8	3
13	Maruszkin	Warsaw	1-10	7	4
14	ECO RGS Sp. Z O.O. Sp.K	Rozalin	1-10	6	5
15	Eko-Projekt	Poznan	11-50	6	4
16	Ecothesis	Wroclaw	11-50	6	1
17	CP Consulting Engineering Services Sp. Z O.O	Sosnowiec	51-200	5	2
18	SMD Group	Wroclaw	11-50	4	2
19	Ekolab	Kobylnica	11-50	3	2
20	Zero Waste Consulting Sp. Z O.O	Warszawa	11-50	3	1
21	Inżynieria PRO EKO Sp. Z O.O	Bielsko-Biala	11-50	3	1
22	4envi	Krakow	1-10	3	1
23	Biuro Rzeczoznawstwa I Ekonomii Środowiska Codex	Sroda Wielkopolska	1-10	2	2
24	RSK CEE	Warsaw	11-50	2	1
25	GOZ World	Warszawa	1-10	2	1

Showing 25 of 168 environmental consulting firms based in Poland

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Environmental consulting firms based in Poland at a glance

As of Aug 28, 2026

1-10Median size (employees)

WarszawaLargest hub · 29 HQs

24Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

109

11-50

51-200

1,001-5,000

Environmental consulting firms by metro

Metro	Companies
Environmental consulting firms in Warszawa	29
Environmental consulting firms in Wroclaw	13
Environmental consulting firms in Poznan	13
Environmental consulting firms in Warsaw	12
Environmental consulting firms in Gdansk	9
Environmental consulting firms in Krakow	9
Environmental consulting firms in Katowice	6
Environmental consulting firms in Lodz	6

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 consulting 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 consulting firms are there based in Poland?

There are 168 environmental consulting firms headquartered in Poland as of August 2026 (RevenueBase).

What is the largest company on this list?

Eneris, headquartered in Chrzanow, tops this list with the largest team on record.

Which city has the most environmental consulting firms?

Warszawa leads with 29 headquartered companies, followed by Wroclaw (13) and Poznan (13).

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 338 verified decision-maker contacts tracked across these 168 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.