Company lists · Data verified August 2026

Top 14 Climate consulting firms based in Hungary

Name: Climate 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 38 companies tracked

There are 38 climate consulting firms headquartered in Hungary (RevenueBase, August 2026). RevenueBase tracks 245 professional contacts across them, including 61 with verified work emails and 3 with mobile numbers. Budapest is the largest hub.

This list covers climate 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.

38Companies

245Contacts tracked

61Verified emails

3Mobile numbers

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The 14 largest climate consulting firms based in Hungary

Ranked by team size

Top 14 of 38 climate 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	Greenbors Consulting	Budapest	11-50	27	14
2	ABUD	n/a	11-50	26	18
3	Arctic Green Engineering Services	Budapest	11-50	15	8
4	Stradamus ZRT	n/a	1-10	9	5
5	Planet Fanatics' Network	Budapest	1-10	6	3
6	Wattmanager	Vi. Kerulet	1-10	4	1
7	MBH Consulting Hungary	Budapest	11-50	3	2
8	Free SUN Energy	Budapest	1-10	3	1
9	Alfaped Fejlesztő, Gyártó ÉS Szolgáltató Kft.	Budaors	11-50	2	2
10	CAM Consulting, Hungary	Budapest	1-10	2	2
11	Nrise Consulting	n/a	1-10	2	2
12	Environmental Solutions LTD	n/a	1-10	2	1
13	Reimler Consulting Company	Budapest	1-10	1	1
14	Zerokarbon	n/a	1-10	1	1

Showing 14 of 38 climate consulting firms based in Hungary

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Climate consulting firms based in Hungary at a glance

As of Aug 28, 2026

1-10Median size (employees)

BudapestLargest hub · 22 HQs

3Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Climate consulting firms by metro

Metro	Companies
Climate consulting firms in Budapest	22
Climate consulting firms in Vac	1
Climate consulting firms in Nadasd	1
Climate consulting firms in Erd	1
Climate consulting firms in Budaors	1
Climate consulting firms in Vi. Kerulet	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 “climate 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 climate consulting firms are there based in Hungary?

There are 38 climate consulting firms headquartered in Hungary as of August 2026 (RevenueBase).

What is the largest company on this list?

Greenbors Consulting, headquartered in Budapest, tops this list with the largest team on record.

Which city has the most climate consulting firms?

Budapest leads with 22 headquartered companies, followed by Vac (1) and Nadasd (1).

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 61 verified decision-maker contacts tracked across these 38 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.