Company lists · Data verified August 2026

Top 25 Clean energy software companies based in Austria

Name: Clean energy software companies based in Austria
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 77 companies tracked

There are 77 clean energy software companies headquartered in Austria (RevenueBase, August 2026). RevenueBase tracks 586 professional contacts across them, including 262 with verified work emails and 11 with mobile numbers. Wien is the largest hub.

This list covers clean energy software companies headquartered in Austria, 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.

77Companies

586Contacts tracked

262Verified emails

11Mobile numbers

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The 25 largest clean energy software companies based in Austria

Ranked by team size

Top 25 of 77 clean energy software companies based in Austria, 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	NEOOM	Freistadt	201-500	100	53
2	Energy3000 Solar Gmbh	Mullendorf	51-200	44	33
3	Cybergrid	Vienna	51-200	43	29
4	Heizma	Vienna	51-200	37	25
5	EET	Graz	11-50	37	16
6	M-Tec Energy For Future	Pinsdorf	51-200	35	20
7	Podero	Vienna	11-50	29	14
8	Volue Powerbot	Wien	11-50	17	10
9	nista.io	Wien	11-50	17	1
10	Energy Services	Graz	11-50	13	7
11	Synecotec	Absam	11-50	11	6
12	Conversio Energie Gmbh	Spittal An Der Drau	201-500	11	2
13	Krone Sonne	Mattersburg	11-50	8	5
14	I2m Gmbh	Graz	1-10	7	6
15	Energy Solutions Gmbh	Engerwitzdorf	1-10	6	3
16	Pvplus Gmbh	Klosterneuburg	11-50	6	2
17	ETU Hottgenroth Software	Holzhausen	11-50	5	2
18	Green Electrics Licht & Energietechnik Gmbh	Gleisdorf	51-200	5	1
19	Solah Gmbh	Mattersburg	11-50	5	1
20	Arteria Technologies	Graz	1-10	5	1
21	Greesma Energy Services Gmbh	Sankt Margarethen An Der Raab	1-10	5	1
22	Ehoch2	Kematen In Tirol	1-10	4	4
23	Salzachsonne	Neukirchen Am Grossvenediger	11-50	4	2
24	Nu50 Energy	Linz	1-10	3	3
25	Beletron Gmbh	Hall In Tirol	1-10	2	2

Showing 25 of 77 clean energy software companies based in Austria

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Clean energy software companies based in Austria at a glance

As of Aug 28, 2026

1-10Median size (employees)

WienLargest hub · 8 HQs

11Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Clean energy software companies by metro

Metro	Companies
Clean energy software companies in Wien	8
Clean energy software companies in Vienna	7
Clean energy software companies in Graz	7
Clean energy software companies in Linz	5
Clean energy software companies in Engerwitzdorf	3
Clean energy software companies in Freistadt	2
Clean energy software companies in Pinsdorf	2

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 “clean energy software companies”, with match quality audited by blind human judging, and headquartered in Austria.
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; 1 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 clean energy software companies are there based in Austria?

There are 77 clean energy software companies headquartered in Austria as of August 2026 (RevenueBase).

What is the largest company on this list?

NEOOM, headquartered in Freistadt, tops this list with the largest team on record.

Which city has the most clean energy software companies?

Wien leads with 8 headquartered companies, followed by Vienna (7) and Graz (7).

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 262 verified decision-maker contacts tracked across these 77 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.