Company lists · Data verified August 2026

Top 25 Climate consulting firms based in Germany

Name: Climate consulting firms based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 733 companies tracked

There are 733 climate consulting firms headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 11,954 professional contacts across them, including 4,663 with verified work emails and 329 with mobile numbers. Berlin is the largest hub.

This list covers climate consulting firms headquartered in Germany, 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.

733Companies

11,954Contacts tracked

4,663Verified emails

329Mobile numbers

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The 25 largest climate consulting firms based in Germany

Ranked by team size

Top 25 of 733 climate consulting firms based in Germany, 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	Roland Berger	Munich	1,001-5,000	4,653	2,078
2	PD	Berlin	1,001-5,000	699	5
3	Adelphi	Berlin	201-500	270	148
4	Zetcon Ingenieure Gmbh	Berlin	501-1,000	267	101
5	Dorsch Impact Gmbh	Kronberg Im Taunus	51-200	199	57
6	Energielenker Gruppe	Greven	201-500	149	83
7	IPC	Frankfurt	51-200	138	65
8	OTC Flow	Frankfurt Am Main	51-200	124	73
9	Avencore	Heidelberg	51-200	96	71
10	Alfa Energy An Edison Energy Company	n/a	201-500	89	50
11	Enlite Management & Engineering Gmbh	Heppenheim	51-200	89	50
12	Ttsp HWP Planungsgesellschaft MBH	Frankfurt Am Main	51-200	81	11
13	First Climate	Bad Vilbel	51-200	77	40
14	Tauw Deutschland	Munchen	51-200	76	37
15	B.A.U.M. Consult Gmbh	Hamburg	51-200	70	41
16	Enervis Energy Advisors Gmbh	Berlin	51-200	67	43
17	Intep Integrale Planung Gmbh	Berlin	51-200	65	35
18	SCC Scientific Consulting Company, Part Of Ramboll	Bad Kreuznach	n/a	63	40
19	ARQUM	Stuttgart	51-200	59	34
20	BFE Institut FÜR Energie UND Umwelt Gmbh	Mannheim	51-200	57	36
21	Envistra Gmbh	Hurth	51-200	55	23
22	Forliance	Bonn	51-200	53	36
23	Response	Berlin	51-200	51	34
24	Geo-Net Umweltconsulting Gmbh	Hannover	51-200	47	34
25	Ökotec Energiemanagement Gmbh	Berlin	51-200	46	21

Showing 25 of 733 climate consulting firms based in Germany

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Climate consulting firms based in Germany at a glance

As of Aug 28, 2026

1-10Median size (employees)

BerlinLargest hub · 98 HQs

329Contacts with mobile numbers

24Emails re-verified in last 30 days

Companies by employee count

1-10

462

11-50

194

51-200

201-500

501-1,000

1,001-5,000

10001+

Climate consulting firms by metro

Metro	Companies
Climate consulting firms in Berlin	98
Climate consulting firms in Hamburg	55
Climate consulting firms in Munchen	23
Climate consulting firms in Munich	22
Climate consulting firms in Dusseldorf	19
Climate consulting firms in Stuttgart	14
Climate consulting firms in Frankfurt Am Main	11

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 Germany.
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; 24 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 Germany?

There are 733 climate consulting firms headquartered in Germany as of August 2026 (RevenueBase).

What is the largest company on this list?

Roland Berger, headquartered in Munich, tops this list with the largest team on record.

Which city has the most climate consulting firms?

Berlin leads with 98 headquartered companies, followed by Hamburg (55) and Munchen (23).

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 4,663 verified decision-maker contacts tracked across these 733 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.