Company lists · Data refreshed August 2026

Top 25 Clean energy consultancy companies based in Poland

Name: Clean energy consultancy companies based in Poland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Aug 31, 2026 441 companies tracked

RevenueBase identified 441 company matches for clean energy consultancy companies associated with Poland as of August 2026 and tracks 3,016 professional contacts across them, including 690 with verified work emails and 49 with mobile numbers. Warsaw is the largest hub.

This list covers company matches for clean energy consultancy companies associated with Poland, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed August 31, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Aug 31, 2026 How this list was built

441Companies

3,016Contacts tracked

690Verified emails

49Mobile numbers

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The 25 largest clean energy consultancy companies based in Poland

Ranked by team size

Top 25 of 441 company matches for clean energy consultancy companies based in Poland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Aug 31, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Hymon Powered By Kajima	Exact match	Tarnow, Poland	201-500	111 contacts →
	Exact match “Since 2011, Hymon has been shaping the green energy market in Poland, contributing to ecological transformation and sustainable development.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
2	PMCG	Exact match	Warsaw, Poland	51-200	94 contacts →
	Exact match “PMCG is an international development consulting company aiming to deliver progress to transitional and developing countries.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
3	Ekovoltis	Exact match	Mokotow, Poland	51-200	91 contacts →
	Exact match “Ekovoltis - Energia dla Twojego biznesu Ekovoltis to polska spółka energetyczna specjalizująca się w sprzedaży energii elektrycznej ze źródeł odnawialnych, gazu oraz w usługach…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
4	JWA	Exact match	Krakow, Poland	51-200	71 contacts →
	Exact match “At JWA, our mission is to empower clients to achieve their sustainability goals and net zero emissions through innovative, practical, and client-centric solutions.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
5	Easyeko	Exact match	Lodz, Poland	51-200	69 contacts →
	Exact match “EasyEko to Twój Partner w ekologicznej transformacji energetycznej!” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
6	BOPRO	Exact match	Warsaw, Poland	51-200	65 contacts →
	Exact match “In forty years Bopro has emerged into a solid, renowned company specialised in Sustainable Real Estate Development, Project Management and Consultancy services in Europe.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
7	Lafrentz Group	Exact match	Poznan, Poland	201-500	61 contacts →
	Exact match “Mamy trzydzieści lat doświadczenia, jesteśmy ekspertami w dziedzinie infrastruktury, budownictwa i odnawialnych źródeł energii.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
8	Enervigo	Exact match	Tarnow, Poland	51-200	57 contacts →
	Exact match “Kompleksowo przeprowadzamy firmy przez proces transformacji energetycznej i redukcji śladu węglowego, przyczyniając się do poprawy jakości środowiska, w którym żyjemy.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
9	DGE Sp. Z O.O	Exact match	Katowice, Poland	51-200	54 contacts →
	Exact match “Powstaliśmy w odpowiedzi na ogromne zapotrzebowanie rynku na specjalistyczne doradztwo w obszarze optymalizacji kosztów dystrybucji gazu, ciepła miejskiego oraz energii…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
10	VOSTI	Exact match	Lublin, Poland	51-200	53 contacts →
	Exact match “Dołącz do #VostiTeam!” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
11	Sunday Polska	Exact match	Warsaw, Poland	501-1,000	50 contacts →
	Exact match “Jesteśmy przedsiębiorstwem składającym się ze ekspertów i specjalistów z wieloletnim doświadczeniem w branży Odnawialnych Źródeł Energii.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
12	Tyrens Polska Sp. Z O.O	Exact match	Krakow, Poland	51-200	49 contacts →
	Exact match “Tyréns - We create better communities Tyréns is one of the leading Swedish consulting companies in the urban development and infrastructure sector.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
13	Luneos	Exact match	Gdansk, Poland	51-200	38 contacts →
	Exact match “Transformacja Energetyczna 360 bez nakładów inwestycyjnych.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
14	flexipowergroup.pl	Exact match	Lodz, Poland	201-500	33 contacts →
	Exact match “FlexiPower Group to firma z ponad 18-letnim doświadczeniem, specjalizująca się w energii odnawialnej.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
15	E.On Foton	Exact match	Poland	51-200	30 contacts →
	Exact match “Jesteśmy liderem na rynku odnawialnych źródeł energii.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
16	Energoinżynieria Sp. Z O.O	Exact match	Krakow, Poland	51-200	29 contacts →
	Exact match “Jesteśmy firmą projektowo-doradczą działającą w sektorze energetycznym już od 11 lat!” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
17	Solarspot SA	Exact match	Poznan, Poland	51-200	29 contacts →
	Exact match “SolarSpot SA Jesteśmy jednym z liderów na rynku OZE: sprawdzonym i polecanym partnerem dla biznesu oraz instytucji publicznych.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
18	Elmont Grupa	Exact match	Lyski, Poland	51-200	24 contacts →
	Exact match “Tworzymy doświadczony i zaangażowany zespół, z eksperckimi kompetencjami projektowymi oraz inżynierskimi.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
19	Energomix S.A	Exact match	Warsaw, Poland	51-200	21 contacts →
	Exact match “Leading energy advisor in Poland - professional and independent energy consulting services to corporate & SME clients.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
20	Sm-Project Sp. Z O.O	Exact match	Glogow Malopolski, Poland	51-200	17 contacts →
	Exact match “Nowoczesna energia.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
21	Doradcy Energetyczni Sp. Z O.O	Exact match	Ursynow, Poland	51-200	17 contacts →
	Exact match “Nie sprzedajemy energii.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
22	Naster S.A	Exact match	Katowice, Poland	51-200	13 contacts →
	Exact match “Firma Naster powstała w 2010 roku i zajmuje się sprzedażą energii i gazu oraz produktów OZE.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
23	Energotechnika Engineering Sp. Z O.O	Exact match	Gliwice, Poland	51-200	9 contacts →
	Exact match “Energotechnika Engineering Sp.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
24	Inergis S.A	Exact match	Czestochowa, Poland	51-200	7 contacts →
	Exact match “INERGIS od 1988 roku wspiera przedsiębiorstwa w transformacji energetycznej zapewniając niezawodne rozwiązania z zakresu energetyki cieplnej i elektroenergetyki.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase
25	Grüne Energie U.G	Exact match	Warsaw, Poland	51-200	6 contacts →
	Exact match “Inspirujemy działania efektywne energetycznie.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “clean energy consultancy companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 441 clean energy consultancy companies based in Poland

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Clean energy consultancy companies based in Poland at a glance

As of Aug 31, 2026

22.9%Verified-email coverage

1.6%Mobile-number coverage

6.8Average contacts per company

11-50Median size (employees)

24.0%Largest-city concentration · Warsaw

Aug 31, 2026Page data refreshed

Companies by employee count

1-10

207

11-50

165

51-200

201-500

501-1,000

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Poland whose business descriptions match “clean energy consultancy companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 690 professional contacts with verified work emails across the full matched dataset. 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 August 31, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Clean energy consultancy companies by metro

Clean energy consultancy companies in Warsaw106

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “clean energy consultancy companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many clean energy consultancy companies are there based in Poland?

RevenueBase identified 441 company matches for clean energy consultancy companies associated with Poland as of August 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Hymon Powered By Kajima tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most clean energy consultancy companies?

Warsaw leads with 106 company records, followed by Poznan (28) and Krakow (25).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 690 professional contacts with verified work emails tracked across these 441 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on August 31, 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 SmartSearch, 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.