Company lists · Data verified August 2026

Top 25 Carbon neutral software companies based in Germany

Name: Carbon neutral 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 230 companies tracked

There are 230 carbon neutral software companies headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 5,766 professional contacts across them, including 2,475 with verified work emails and 111 with mobile numbers. Berlin is the largest hub.

This list covers carbon neutral 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.

230Companies

5,766Contacts tracked

2,475Verified emails

111Mobile numbers

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The 25 largest carbon neutral software companies based in Germany

Ranked by team size

Top 25 of 230 carbon neutral 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	ISTA	Essen	5,001-10,000	1,405	524
2	Osapiens	Mannheim	501-1,000	474	278
3	Deepki	Berlin	201-500	441	313
4	Kisters Group	Aachen	501-1,000	363	1
5	Ipoint	Hamburg	51-200	146	102
6	Plan A	Munich	51-200	115	34
7	Alfa Energy An Edison Energy Company	n/a	201-500	89	50
8	Dfge Institute For Energy, Ecology And Economy	Greifenberg	11-50	80	36
9	First Climate	Bad Vilbel	51-200	77	40
10	VIDA	Munchen	11-50	76	17
11	Carbmee	Berlin	51-200	75	47
12	Verso Gmbh	Munchen	51-200	72	50
13	TANSO	Munich	51-200	67	10
14	Leadity ESG & ISO Platform	Hamburg	51-200	59	3
15	Code Gaia	Munich	51-200	56	27
16	Klafka & Hinz Energie-Informations-Systeme Gmbh	Aachen	51-200	55	26
17	Envistra Gmbh	Hurth	51-200	55	23
18	Ampeers Energy	Munchen	51-200	53	25
19	Thinkstep	Leinfelden-Echterdingen	201-500	51	10
20	VAAYU	Berlin	51-200	48	14
21	Ökotec Energiemanagement Gmbh	Berlin	51-200	46	21
22	Climatiq	Berlin	11-50	45	34
23	Futurecamp Climate Gmbh	Munchen	51-200	45	25
24	Betterspace Gmbh	Ilmenau	51-200	42	21
25	Recogizer	Bonn	51-200	41	26

Showing 25 of 230 carbon neutral software companies based in Germany

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Carbon neutral software companies based in Germany at a glance

As of Aug 28, 2026

11-50Median size (employees)

BerlinLargest hub · 41 HQs

111Contacts with mobile numbers

7Emails re-verified in last 30 days

Companies by employee count

1-10

108

11-50

51-200

201-500

501-1,000

5,001-10,000

10001+

Carbon neutral software companies by metro

Metro	Companies
Carbon neutral software companies in Berlin	41
Carbon neutral software companies in Hamburg	17
Carbon neutral software companies in Munchen	16
Carbon neutral software companies in Munich	8
Carbon neutral software companies in Bonn	6
Carbon neutral software companies in Hannover	5
Carbon neutral software companies in Dresden	5

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 “carbon neutral 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; 7 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 carbon neutral software companies are there based in Germany?

There are 230 carbon neutral software companies headquartered in Germany as of August 2026 (RevenueBase).

What is the largest company on this list?

ISTA, headquartered in Essen, tops this list with the largest team on record.

Which city has the most carbon neutral software companies?

Berlin leads with 41 headquartered companies, followed by Hamburg (17) 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 2,475 verified decision-maker contacts tracked across these 230 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.