Company lists · Data verified August 2026

Top 25 Clean energy consulting firms based in Hungary

Name: Clean energy consulting firms based in Hungary
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 93 companies tracked

There are 93 clean energy consulting firms headquartered in Hungary (RevenueBase, August 2026). RevenueBase tracks 491 professional contacts across them, including 130 with verified work emails and 14 with mobile numbers. Budapest is the largest hub.

This list covers clean energy consulting firms headquartered in Hungary, 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.

93Companies

491Contacts tracked

130Verified emails

14Mobile numbers

Unlock all 93 companies Free account · no credit card · 2 minutes

The 25 largest clean energy consulting firms based in Hungary

Ranked by team size

Top 25 of 93 clean energy consulting firms based in Hungary, 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	VPP Energy Group	Budapest	51-200	43	30
2	AXING	Budapest	11-50	30	1
3	Greenbors Consulting	Budapest	11-50	27	14
4	ABUD	n/a	11-50	26	18
5	Green GEO	Budapest	11-50	17	9
6	Arctic Green Engineering Services	Budapest	11-50	15	8
7	Pannon Épületenergetika	Budapest	11-50	10	4
8	Enco Energy	n/a	11-50	10	1
9	Stradamus ZRT	n/a	1-10	9	5
10	Yuxta Hungary KFT	n/a	1-10	7	4
11	Planet Fanatics' Network	Budapest	1-10	6	3
12	Powerie	n/a	1-10	6	3
13	Mn6 Energy Agency	Budapest	1-10	6	1
14	Vanessia KFT	Budapest	1-10	4	3
15	Energy Hungary ZRT	Budapest	11-50	4	2
16	Inersol	Dunakeszi	11-50	4	1
17	Wattmanager	Vi. Kerulet	1-10	4	1
18	Zenrg Hungary	Budapest	1-10	3	3
19	MBH Consulting Hungary	Budapest	11-50	3	2
20	Patternwise	Kerkakutas	1-10	3	2
21	Berg Energy KFT	Torokbalint	1-10	3	2
22	Free SUN Energy	Budapest	1-10	3	1
23	Alfaped Fejlesztő, Gyártó ÉS Szolgáltató Kft.	Budaors	11-50	2	2
24	Főnix Energiaszolgáltató ZRT	n/a	1-10	2	2
25	CAM Consulting, Hungary	Budapest	1-10	2	2

Showing 25 of 93 clean energy consulting firms based in Hungary

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 130 reachable decision-makers.

Free account · no credit card

See all 93 companies

Clean energy consulting firms based in Hungary at a glance

As of Aug 28, 2026

1-10Median size (employees)

BudapestLargest hub · 46 HQs

14Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Clean energy consulting firms by metro

Metro	Companies
Clean energy consulting firms in Budapest	46
Clean energy consulting firms in Debrecen	3
Clean energy consulting firms in Budaors	3
Clean energy consulting firms in Szombathely	2
Clean energy consulting firms in Kerkakutas	1
Clean energy consulting firms in Ozd	1
Clean energy consulting firms in Nagykoros	1

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 “clean energy consulting firms”, with match quality audited by blind human judging, and headquartered in Hungary.
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; 1 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 clean energy consulting firms are there based in Hungary?

There are 93 clean energy consulting firms headquartered in Hungary as of August 2026 (RevenueBase).

What is the largest company on this list?

VPP Energy Group, headquartered in Budapest, tops this list with the largest team on record.

Which city has the most clean energy consulting firms?

Budapest leads with 46 headquartered companies, followed by Debrecen (3) and Budaors (3).

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 130 verified decision-maker contacts tracked across these 93 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.

Ready to reach these companies? Verified emails and direct dials for all 93 clean energy consulting firms based in Hungary. Start with a free account, no credit card.

Get the full list

Related lists

Clean energy consulting firms by geography

Browse the directory

Browse: Companies home · All Hungary lists · All Clean energy consulting firms lists · New lists

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.