Company lists · Data verified August 2026

Top 25 Energy efficiency consulting firms based in Poland

Name: Energy efficiency 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 154 companies tracked

There are 154 energy efficiency consulting firms headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 828 professional contacts across them, including 248 with verified work emails and 13 with mobile numbers. Warszawa is the largest hub.

This list covers energy efficiency 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.

154Companies

828Contacts tracked

248Verified emails

13Mobile numbers

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The 25 largest energy efficiency consulting firms based in Poland

Ranked by team size

Top 25 of 154 energy efficiency 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	Enervigo	Tarnow	51-200	57	23
2	DGE Sp. Z O.O	Katowice	51-200	54	38
3	DB Energy SA	Wroclaw	11-50	35	22
4	Go4energy	Warszawa	11-50	30	22
5	Solwena, Creator Of Percee Emos	Gdansk	11-50	27	18
6	Energomix S.A	Warszawa	51-200	21	2
7	Narodowa Agencja Poszanowania Energii S.A. National Energy Conservation Agency	Bialystok	11-50	19	13
8	Doradcy Energetyczni Sp. Z O.O	Ursynow	51-200	17	1
9	Grupa Enms	Warszawa	11-50	13	5
10	Neoenergetyka Sp. Z O.O	Warszawa	11-50	12	7
11	Innpact Sp. Z O.O	Wroclaw	11-50	11	8
12	Smart EPC Sp. Z O. O	Gliwice	11-50	10	5
13	DA Vinci Green Energy	Bielany Wroclawskie	11-50	10	4
14	Aura Plus Sp. Z O.O	Poznan	11-50	9	7
15	Energy Saver Group	Wroclaw	11-50	9	3
16	Open Energy Polska	Warszawa	11-50	8	3
17	Voltaic System	Olsztyn	11-50	7	3
18	Polska Grupa Termomodernizacyjna	Warszawa	11-50	4	3
19	Optimen Energy	n/a	11-50	4	2
20	SMD Group	Wroclaw	11-50	4	2
21	Metis Intech	Warszawa	11-50	4	2
22	Veolion	Sosnowiec	11-50	3	3
23	PIK Energy Doradztwo Energetyczne	Lodz	11-50	3	2
24	Ellipsis Energy	Warszawa	51-200	3	1
25	Zero Waste Consulting Sp. Z O.O	Warszawa	11-50	3	1

Showing 25 of 154 energy efficiency consulting firms based in Poland

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Energy efficiency consulting firms based in Poland at a glance

As of Aug 28, 2026

1-10Median size (employees)

WarszawaLargest hub · 27 HQs

13Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Energy efficiency consulting firms by metro

Metro	Companies
Energy efficiency consulting firms in Warszawa	27
Energy efficiency consulting firms in Wroclaw	18
Energy efficiency consulting firms in Krakow	9
Energy efficiency consulting firms in Poznan	7
Energy efficiency consulting firms in Warsaw	7
Energy efficiency consulting firms in Gdansk	6
Energy efficiency consulting firms in Bialystok	4

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 “energy efficiency 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 energy efficiency consulting firms are there based in Poland?

There are 154 energy efficiency consulting firms headquartered in Poland as of August 2026 (RevenueBase).

What is the largest company on this list?

Enervigo, headquartered in Tarnow, tops this list with the largest team on record.

Which city has the most energy efficiency consulting firms?

Warszawa leads with 27 headquartered companies, followed by Wroclaw (18) and Krakow (9).

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 248 verified decision-maker contacts tracked across these 154 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.