Company lists · Data verified August 2026

Top 25 Energy efficiency software companies based in Germany

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 288 companies tracked

There are 288 energy efficiency software companies headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 5,289 professional contacts across them, including 2,258 with verified work emails and 219 with mobile numbers. Berlin is the largest hub.

This list covers energy efficiency software 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.

288Companies

5,289Contacts tracked

2,258Verified emails

219Mobile numbers

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The 25 largest energy efficiency software companies based in Germany

Ranked by team size

Top 25 of 288 energy efficiency software 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	Kieback&peter	Regensburg	1,001-5,000	574	209
2	PSI Software	Berlin	1,001-5,000	443	207
3	Stem, INC	Berlin	501-1,000	432	245
4	Janitza Electronics Gmbh	Lahnau	501-1,000	264	194
5	TADO	Munchen	51-200	160	64
6	Cuculus	Erfurt	51-200	150	59
7	Advizeo	Berlin	51-200	148	111
8	Kiwigrid Gmbh	Dresden	51-200	118	71
9	Epilot Gmbh	Cologne	51-200	109	77
10	Aedifion	Koln	51-200	98	55
11	Greenflash	Munchen	51-200	82	44
12	Ecoplanet	Munich	51-200	82	32
13	Green Fusion	Hohen Neuendorf	51-200	81	36
14	Meteoviva	Aachen	51-200	79	46
15	Oni-Wärmetrafo Gmbh	Lindlar	201-500	72	42
16	Metergrid Gmbh	Stuttgart	51-200	68	35
17	VTC Energy	Dusseldorf	51-200	60	16
18	Metiundo Gmbh	Berlin	51-200	55	30
19	Klafka & Hinz Energie-Informations-Systeme Gmbh	Aachen	51-200	55	26
20	Betterspace Gmbh	Ilmenau	51-200	42	21
21	Recogizer	Bonn	51-200	41	26
22	Theben Smart Energy	Haigerloch	51-200	39	16
23	Consolinno Energy Gmbh	Regensburg	51-200	38	19
24	Metr Building Management Systems Gmbh	Berlin	11-50	37	21
25	WTEC	Frankfurt Am Main	11-50	32	12

Showing 25 of 288 energy efficiency software companies based in Germany

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Energy efficiency software companies based in Germany at a glance

As of Aug 28, 2026

11-50Median size (employees)

BerlinLargest hub · 30 HQs

219Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

136

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Energy efficiency software companies by metro

Metro	Companies
Energy efficiency software companies in Berlin	30
Energy efficiency software companies in Stuttgart	12
Energy efficiency software companies in Munchen	11
Energy efficiency software companies in Munich	10
Energy efficiency software companies in Hamburg	8
Energy efficiency software companies in Koln	7
Energy efficiency software companies in Dresden	7
Energy efficiency software companies in Dusseldorf	6

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 software 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; 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 software companies are there based in Germany?

There are 288 energy efficiency software companies headquartered in Germany as of August 2026 (RevenueBase).

What is the largest company on this list?

Kieback&peter, headquartered in Regensburg, tops this list with the largest team on record.

Which city has the most energy efficiency software companies?

Berlin leads with 30 headquartered companies, followed by Stuttgart (12) and Munchen (11).

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 2,258 verified decision-maker contacts tracked across these 288 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.