Company lists · Data verified August 2026

Top 25 Climate tech software companies based in Germany

Name: Climate tech 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 243 companies tracked

There are 243 climate tech software companies headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 4,590 professional contacts across them, including 2,092 with verified work emails and 220 with mobile numbers. Berlin is the largest hub.

This list covers climate tech 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.

243Companies

4,590Contacts tracked

2,092Verified emails

220Mobile numbers

Unlock all 243 companies Free account · no credit card · 2 minutes

The 25 largest climate tech software companies based in Germany

Ranked by team size

Top 25 of 243 climate tech 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	Osapiens	Mannheim	501-1,000	474	278
2	Stem, INC	Berlin	501-1,000	432	245
3	Kisters Group	Aachen	501-1,000	363	1
4	Ipoint	Hamburg	51-200	146	102
5	Plan A	Munich	51-200	115	34
6	beyonnex.io	Hamburg	51-200	104	75
7	Alfa Energy An Edison Energy Company	n/a	201-500	89	50
8	Ecoplanet	Munich	51-200	82	32
9	First Climate	Bad Vilbel	51-200	77	40
10	Ianus Simulation Gmbh	Bielefeld	51-200	76	45
11	VIDA	Munchen	11-50	76	17
12	Carbmee	Berlin	51-200	75	47
13	Verso Gmbh	Munchen	51-200	72	50
14	Ceezer	Berlin	51-200	72	49
15	TANSO	Munich	51-200	67	10
16	Greenventory	Freiburg	51-200	63	36
17	Klafka & Hinz Energie-Informations-Systeme Gmbh	Aachen	51-200	55	26
18	Ampeers Energy	Munchen	51-200	53	25
19	Futurecamp Climate Gmbh	Munchen	51-200	45	25
20	Betterspace Gmbh	Ilmenau	51-200	42	21
21	Seven2one Informationssysteme Gmbh	Karlsruhe	11-50	39	25
22	Consolinno Energy Gmbh	Regensburg	51-200	38	19
23	Metr Building Management Systems Gmbh	Berlin	11-50	37	21
24	Swiss Climate	Hamburg	11-50	36	27
25	Allocnow	Bonn	11-50	34	22

Showing 25 of 243 climate tech software companies based in Germany

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 2,092 reachable decision-makers.

Free account · no credit card

See all 243 companies

Climate tech software companies based in Germany at a glance

As of Aug 28, 2026

11-50Median size (employees)

BerlinLargest hub · 56 HQs

220Contacts with mobile numbers

10Emails re-verified in last 30 days

Companies by employee count

1-10

109

11-50

102

51-200

201-500

501-1,000

10001+

Climate tech software companies by metro

Metro	Companies
Climate tech software companies in Berlin	56
Climate tech software companies in Hamburg	18
Climate tech software companies in Munchen	16
Climate tech software companies in Munich	10
Climate tech software companies in Freiburg	7
Climate tech software companies in Bonn	7
Climate tech software companies in Stuttgart	4

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 tech 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; 10 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 tech software companies are there based in Germany?

There are 243 climate tech software companies headquartered in Germany as of August 2026 (RevenueBase).

What is the largest company on this list?

Osapiens, headquartered in Mannheim, tops this list with the largest team on record.

Which city has the most climate tech software companies?

Berlin leads with 56 headquartered companies, followed by Hamburg (18) and Munchen (16).

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 2,092 verified decision-maker contacts tracked across these 243 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 243 climate tech software companies based in Germany. Start with a free account, no credit card.

Get the full list

Related lists

Climate tech software companies by geography

Browse the directory

Browse: Companies home · All Germany lists · All Climate tech software 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.