Company lists · Data verified August 2026

Top 25 Energy efficiency consulting firms based in Germany

Name: Energy efficiency 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 901 companies tracked

There are 901 energy efficiency consulting firms headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 4,085 professional contacts across them, including 1,343 with verified work emails and 58 with mobile numbers. Berlin is the largest hub.

This list covers energy efficiency 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.

901Companies

4,085Contacts tracked

1,343Verified emails

58Mobile numbers

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The 25 largest energy efficiency consulting firms based in Germany

Ranked by team size

Top 25 of 901 energy efficiency 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	Westbridge Advisory	Frankfurt	51-200	150	105
2	MVV Enamic Gmbh	Mannheim	201-500	92	56
3	Alfa Energy An Edison Energy Company	n/a	201-500	89	50
4	SGB Energie Gmbh	Grobenzell	51-200	58	26
5	BFE Institut FÜR Energie UND Umwelt Gmbh	Mannheim	51-200	57	36
6	Envistra Gmbh	Hurth	51-200	55	23
7	Wolff & Müller Energy Gmbh	Ludwigsburg	51-200	49	33
8	42watt	Munich	51-200	47	27
9	Ökotec Energiemanagement Gmbh	Berlin	51-200	46	21
10	Präg Gruppe	Kempten Allgau	201-500	44	25
11	Pagestreet	Berlin	51-200	41	10
12	Bode Unternehmensgruppe	Bremen	51-200	40	24
13	EE Energy Engineers Gmbh	Gelsenkirchen	51-200	36	18
14	Peil UND Partner Ingenieure Gmbh	Berlin	51-200	33	7
15	Renewa Gmbh	Aachen	51-200	29	19
16	Effizienzpioniere	Stuttgart	51-200	29	13
17	Deutsche Unternehmensinitiative Energieeffizienz E. V. Deneff	Berlin	11-50	28	18
18	Kühn Elektrotechnik Gmbh	Renchen	51-200	28	7
19	Inovis Ingenieure Gmbh	n/a	51-200	27	10
20	Admi Kommunal	Berlin	11-50	26	17
21	Gertec	Essen	51-200	25	18
22	G-Tec Ingenieure Gmbh	Siegen	51-200	24	11
23	Sunshine Energieberatung Gmbh	Hannover	51-200	22	14
24	Stadler Engineering	Straubing	51-200	16	11
25	Gammel Engineering Gmbh	Abensberg	51-200	16	9

Showing 25 of 901 energy efficiency consulting firms based in Germany

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Energy efficiency consulting firms based in Germany at a glance

As of Aug 28, 2026

1-10Median size (employees)

BerlinLargest hub · 69 HQs

58Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

611

11-50

187

51-200

201-500

501-1,000

1,001-5,000

Energy efficiency consulting firms by metro

Metro	Companies
Energy efficiency consulting firms in Berlin	69
Energy efficiency consulting firms in Hamburg	32
Energy efficiency consulting firms in Munchen	18
Energy efficiency consulting firms in Koln	17
Energy efficiency consulting firms in Munich	16
Energy efficiency consulting firms in Dusseldorf	16
Energy efficiency consulting firms in Stuttgart	14

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 “energy efficiency 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; 0 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 energy efficiency consulting firms are there based in Germany?

There are 901 energy efficiency consulting firms headquartered in Germany as of August 2026 (RevenueBase).

What is the largest company on this list?

Westbridge Advisory, headquartered in Frankfurt, tops this list with the largest team on record.

Which city has the most energy efficiency consulting firms?

Berlin leads with 69 headquartered companies, followed by Hamburg (32) and Munchen (18).

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 1,343 verified decision-maker contacts tracked across these 901 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.