Company lists · Data refreshed September 2026

Top 25 Green energy consulting firms based in Poland

RevenueBase identified 328 green energy consulting firms headquartered in Poland as of September 2026 and tracks 1,679 professional contacts across them, including 343 with verified work emails and 40 with mobile numbers. Warszawa is the largest hub.

This list covers green energy consulting firms headquartered in Poland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 3, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 3, 2026 86% judged on-target in blind review
328Companies
1,679Contacts tracked
343Verified emails
40Mobile numbers
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The 25 largest green energy consulting firms based in Poland

Ranked by team size
Top 25 of 328 green energy consulting firms based in Poland, ranked by team size, largest first. Data refreshed Sep 3, 2026. RevenueBase Smart Search rates how each company's information relates to green energy consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceKrakow, PolandHQ checked Sep 3, 202651-20071 contacts →

Indirect evidence

“At JWA, our mission is to empower clients to achieve their sustainability goals and net zero emissions through innovative, practical, and client-centric solutions.”

Source: RevenueBase Database · checked Sep 3, 2026
2Partial evidenceMielec, PolandHQ checked Sep 3, 202651-20057 contacts →

Partial evidence

“Kompleksowo przeprowadzamy firmy przez proces transformacji energetycznej i redukcji śladu węglowego, przyczyniając się do poprawy jakości środowiska, w którym żyjemy.”

Source: RevenueBase Database · checked Sep 3, 2026
3Indirect evidenceLublin, PolandHQ checked Sep 3, 202651-20053 contacts →

Indirect evidence

“Dołącz do #VostiTeam!”

Source: RevenueBase Database · checked Sep 3, 2026
4Partial evidenceWarszawa, PolandHQ checked Sep 3, 202651-20038 contacts →

Partial evidence

“Transformacja Energetyczna 360 bez nakładów inwestycyjnych.”

Source: RevenueBase Database · checked Sep 3, 2026
5Partial evidencePabianice, PolandHQ checked Sep 3, 2026201-50033 contacts →

Partial evidence

“FlexiPower Group to firma z ponad 18-letnim doświadczeniem, specjalizująca się w energii odnawialnej.”

Source: RevenueBase Database · checked Sep 3, 2026
6Partial evidenceKrakow, PolandHQ checked Sep 3, 202651-20029 contacts →

Partial evidence

“Jesteśmy firmą projektowo-doradczą działającą w sektorze energetycznym już od 11 lat!”

Source: RevenueBase Database · checked Sep 3, 2026
7Indirect evidencePoznan, PolandHQ checked Sep 3, 202651-20029 contacts →

Indirect evidence

“SolarSpot SA Jesteśmy jednym z liderów na rynku OZE: sprawdzonym i polecanym partnerem dla biznesu oraz instytucji publicznych.”

Source: RevenueBase Database · checked Sep 3, 2026
8Strong evidenceWarszawa, PolandHQ checked Sep 3, 202651-20021 contacts →

Strong evidence

“Leading energy advisor in Poland - professional and independent energy consulting services to corporate & SME clients.”

Source: RevenueBase Database · checked Sep 3, 2026
9Partial evidenceWarsaw, PolandHQ checked Sep 3, 202611-5020 contacts →

Partial evidence

“Viverno is a consulting company.”

Source: RevenueBase Database · checked Sep 3, 2026
10Partial evidenceWarsaw, PolandHQ checked Sep 3, 202611-5018 contacts →

Partial evidence

“Hekla Energy is an innovative energy trading company.”

Source: RevenueBase Database · checked Sep 3, 2026
11Partial evidenceGdansk, PolandHQ checked Sep 3, 202611-5018 contacts →

Partial evidence

“We have been actively operating in the Polish renewable energy market since 2008.”

Source: RevenueBase Database · checked Sep 3, 2026
12Partial evidenceGlogow Malopolski, PolandHQ checked Sep 3, 202651-20017 contacts →

Partial evidence

“Nowoczesna energia.”

Source: RevenueBase Database · checked Sep 3, 2026
13Partial evidenceUrsynow, PolandHQ checked Sep 3, 202651-20017 contacts →

Partial evidence

“Nie sprzedajemy energii.”

Source: RevenueBase Database · checked Sep 3, 2026
14Indirect evidenceTorun, PolandHQ checked Sep 3, 202611-5014 contacts →

Indirect evidence

“IDE Projekt Sp.”

Source: RevenueBase Database · checked Sep 3, 2026
15Indirect evidenceBiala Podlaska, PolandHQ checked Sep 3, 202611-5014 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 3, 2026
16Partial evidenceBielsko-biała, PolandHQ checked Sep 3, 202651-20013 contacts →

Partial evidence

“Firma Naster powstała w 2010 roku i zajmuje się sprzedażą energii i gazu oraz produktów OZE.”

Source: RevenueBase Database · checked Sep 3, 2026
17Partial evidenceWarsaw, PolandHQ checked Sep 3, 202611-5011 contacts →

Partial evidence

“Horizons is consultancy and engineering company involved in projects related to transformation of energy system, focusing on the renewable energy market.”

Source: RevenueBase Database · checked Sep 3, 2026
18Partial evidenceGliwice, PolandHQ checked Sep 3, 202611-5010 contacts →

Partial evidence

“Szanowni Państwo, firma Smart EPC powstała w odpowiedzi na trwającą rewolucję w branży energetycznej.”

Source: RevenueBase Database · checked Sep 3, 2026
19Indirect evidenceSopot, PolandHQ checked Sep 3, 202611-5010 contacts →

Indirect evidence

“Nasze doświadczenie rozwijamy od 2007r.”

Source: RevenueBase Database · checked Sep 3, 2026
20Partial evidenceWroclaw, PolandHQ checked Sep 3, 202611-509 contacts →

Partial evidence

“Energy Saver to zespół ekspertów specjalizujących się w usługach z zakresu auditingu energetycznego, remontowego i oświetleniowego.”

Source: RevenueBase Database · checked Sep 3, 2026
21Partial evidenceGliwice, PolandHQ checked Sep 3, 202651-2009 contacts →

Partial evidence

“Energotechnika Engineering Sp.”

Source: RevenueBase Database · checked Sep 3, 2026
22Partial evidenceWarszawa, PolandHQ checked Sep 3, 202611-508 contacts →

Partial evidence

“Open Energy to wiodąca firma doradztwa technicznego oferująca profesjonalne usługi z zakresu bezpieczeństwa i ekspertyz technicznych nieruchomości.”

Source: RevenueBase Database · checked Sep 3, 2026
23Indirect evidencePoznan, PolandHQ checked Sep 3, 202611-505 contacts →

Indirect evidence

“Zajmujemy się projektowaniem oraz montażem instalacji fotowoltaicznych, pomp ciepła, klimatyzacji, rekuperacji oraz systemów smart home.”

Source: RevenueBase Database · checked Sep 3, 2026
24Indirect evidencePolandHQ checked Sep 3, 202651-2005 contacts →

Indirect evidence

“Professional consultancy in the field of electricity and natural gas”

Source: RevenueBase Database · checked Sep 3, 2026
25Partial evidenceGdansk, PolandHQ checked Sep 3, 202611-505 contacts →

Partial evidence

“Astralhome to firma specjalizująca się w dostarczaniu zaawansowanych, innowacyjnych a jednocześnie bezpiecznych rozwiązań z zakresu energii odnawialnej, w tym paneli…”

Source: RevenueBase Database · checked Sep 3, 2026

Showing 25 of 328 green energy consulting firms based in Poland

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Green energy consulting firms based in Poland at a glance

As of Sep 3, 2026
20.4%Verified-email coverage
2.4%Mobile-number coverage
5.1Average contacts per company
1-10Median size (employees)
15.9%Largest-city concentration · Warszawa
Sep 3, 2026Page data refreshed

Companies by employee count

1-10
166
11-50
118
51-200
39
201-500
2

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among green energy consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Poland whose own description of what they do matches “green energy consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names green energy consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among green energy consulting firms, and records with no verified work email. Companies headquartered outside Poland are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 343 across the full list. 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 September 3, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Green energy consulting firms by metro

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names green energy consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many green energy consulting firms are there based in Poland?

RevenueBase identified 328 green energy consulting firms headquartered in Poland as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

JWA, headquartered in Krakow, tops this list with the largest team on record.

Which city has the most green energy consulting firms?

Warszawa leads with 52 headquartered companies, followed by Warsaw (34) and Poznan (24).

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 343 verified decision-maker contacts tracked across these 328 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 3, 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 Smart Search, 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.