Company lists · Data verified August 2026

Top 25 Energy efficiency investment firms based in Germany

Name: Energy efficiency investment firms based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 157 companies tracked

There are 157 energy efficiency investment firms headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 1,132 professional contacts across them, including 326 with verified work emails and 13 with mobile numbers. Berlin is the largest hub.

This list covers energy efficiency investment 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.

157Companies

1,132Contacts tracked

326Verified emails

13Mobile numbers

Unlock all 157 companies Free account · no credit card · 2 minutes

The 25 largest energy efficiency investment firms based in Germany

Ranked by team size

Top 25 of 157 energy efficiency investment 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	Paul Tech AG	Berlin	51-200	154	76
2	Purpose Green	Berlin	51-200	52	19
3	Saxovent	Berlin	51-200	49	35
4	AREAM	Dusseldorf	51-200	39	23
5	Berliner Energieagentur Gmbh BEA	Berlin	11-50	34	23
6	Effizienzpioniere	Stuttgart	51-200	29	13
7	Deutsche Unternehmensinitiative Energieeffizienz E. V. Deneff	Berlin	11-50	28	18
8	Energy Project Solutions Gmbh	Darmstadt	11-50	23	14
9	Realyze Ventures	Koln	11-50	18	4
10	Grips Energy	Berlin	11-50	16	11
11	Hessenenergie Gesellschaft FÜR Rationelle Energienutzung MBH	Wiesbaden	11-50	14	12
12	CUT Power AG	Hamburg	11-50	14	6
13	Werk.E Energie-Effizienz-Beratung	Paderborn	11-50	13	6
14	Reon AG	Lilienthal	11-50	9	4
15	Helio Connect Gmbh	Hamburg	1-10	8	6
16	Cornelius Ober Gmbh	Leipzig	11-50	8	1
17	STF Energy Gmbh	Dulmen	1-10	7	3
18	Energiebüro Jenninger	Bad Mergentheim	11-50	6	1
19	Pem-Energy Gmbh	Erfurt	11-50	5	2
20	Astec Klima-Systeme Gmbh	Verl	11-50	5	2
21	Energieberatung Mitteldeutschland	Halle	1-10	5	1
22	Dörnbach Energie Gmbh	Freudenberg	11-50	4	2
23	Greenrime Gmbh	Dusseldorf	1-10	4	2
24	Ctcap Group	Eschborn	1-10	4	2
25	Xene Energie Gmbh	Dusseldorf	11-50	4	1

Showing 25 of 157 energy efficiency investment firms based in Germany

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 326 reachable decision-makers.

Free account · no credit card

See all 157 companies

Energy efficiency investment firms based in Germany at a glance

As of Aug 28, 2026

1-10Median size (employees)

BerlinLargest hub · 23 HQs

13Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

105

11-50

51-200

501-1,000

1,001-5,000

Energy efficiency investment firms by metro

Metro	Companies
Energy efficiency investment firms in Berlin	23
Energy efficiency investment firms in Hamburg	11
Energy efficiency investment firms in Munchen	8
Energy efficiency investment firms in Dusseldorf	5
Energy efficiency investment firms in Koln	4
Energy efficiency investment firms in Heidelberg	4
Energy efficiency investment firms in Frankfurt Am Main	3
Energy efficiency investment firms in Munich	3

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 investment 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 investment firms are there based in Germany?

There are 157 energy efficiency investment firms headquartered in Germany as of August 2026 (RevenueBase).

What is the largest company on this list?

Paul Tech AG, headquartered in Berlin, tops this list with the largest team on record.

Which city has the most energy efficiency investment firms?

Berlin leads with 23 headquartered companies, followed by Hamburg (11) and Munchen (8).

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 326 verified decision-maker contacts tracked across these 157 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 157 energy efficiency investment firms based in Germany. Start with a free account, no credit card.

Get the full list

Related lists

Energy efficiency investment firms by geography

Browse the directory

Browse: Companies home · All Germany lists · All Energy efficiency investment 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.