Company lists · Data verified August 2026

Top 25 Clean energy consultancy companies based in Germany

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,920 companies tracked

There are 1,920 clean energy consultancy companies headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 18,062 professional contacts across them, including 6,812 with verified work emails and 314 with mobile numbers. Berlin is the largest hub.

This list covers clean energy consultancy companies 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.

1,920Companies

18,062Contacts tracked

6,812Verified emails

314Mobile numbers

Unlock all 1,920 companies Free account · no credit card · 2 minutes

The 25 largest clean energy consultancy companies based in Germany

Ranked by team size

Top 25 of 1,920 clean energy consultancy companies 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	Fichtner	Stuttgart	1,001-5,000	1,281	424
2	PD	Berlin	1,001-5,000	699	5
3	Q Energy	Berlin	201-500	565	294
4	Lichtblick SE	Hamburg	501-1,000	448	297
5	Baywa R.E. Global	Munich	1,001-5,000	447	266
6	GKW Consult	Mannheim	201-500	288	83
7	Adelphi	Berlin	201-500	270	148
8	Zetcon Ingenieure Gmbh	Berlin	501-1,000	267	101
9	Energielenker Gruppe	Greven	201-500	149	83
10	Schoenergie	Sankt Ingbert	201-500	131	81
11	Green Planet Energy EG	Hamburg	201-500	118	57
12	BET Consulting Gmbh	Aachen	51-200	110	49
13	Björnsen Beratende Ingenieure	Koblenz	201-500	108	64
14	TRAWA	Berlin	51-200	105	65
15	Icon-Institute Consulting Gruppe	Koeln	51-200	102	41
16	Avencore	Heidelberg	51-200	96	71
17	MVV Enamic Gmbh	Mannheim	201-500	92	56
18	Alfa Energy An Edison Energy Company	n/a	201-500	89	50
19	Kodiak Gmbh	Berlin	51-200	87	47
20	Wattfox	Freiburg Im Breisgau	51-200	78	49
21	Intelligent Energy System Services Gmbh Ie2s	Stuttgart	51-200	78	44
22	First Climate	Bad Vilbel	51-200	77	40
23	Baurconsult Architekten Ingenieure	Teltow	201-500	73	35
24	Enervis Energy Advisors Gmbh	Berlin	51-200	67	43
25	Assmann Emutec	Lutherstadt Wittenberg	51-200	57	31

Showing 25 of 1,920 clean energy consultancy companies based in Germany

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 6,812 reachable decision-makers.

Free account · no credit card

See all 1,920 companies

Clean energy consultancy companies based in Germany at a glance

As of Aug 28, 2026

1-10Median size (employees)

BerlinLargest hub · 195 HQs

314Contacts with mobile numbers

39Emails re-verified in last 30 days

Companies by employee count

1-10

1,155

11-50

513

51-200

129

201-500

501-1,000

1,001-5,000

5,001-10,000

Clean energy consultancy companies by metro

Metro	Companies
Clean energy consultancy companies in Berlin	195
Clean energy consultancy companies in Hamburg	108
Clean energy consultancy companies in Munchen	47
Clean energy consultancy companies in Munich	40
Clean energy consultancy companies in Dusseldorf	40
Clean energy consultancy companies in Bremen	31
Clean energy consultancy companies in Koln	31

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 consultancy companies”, 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; 39 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 consultancy companies are there based in Germany?

There are 1,920 clean energy consultancy companies headquartered in Germany as of August 2026 (RevenueBase).

What is the largest company on this list?

Fichtner, headquartered in Stuttgart, tops this list with the largest team on record.

Which city has the most clean energy consultancy companies?

Berlin leads with 195 headquartered companies, followed by Hamburg (108) and Munchen (47).

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 6,812 verified decision-maker contacts tracked across these 1,920 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 1,920 clean energy consultancy companies based in Germany. Start with a free account, no credit card.

Get the full list

Related lists

Clean energy consultancy companies by geography

Browse the directory

Browse: Companies home · All Germany lists · All Clean energy consultancy companies 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.