Company lists · Data verified August 2026

Top 17 Energy efficiency software companies based in Austria

Name: Energy efficiency 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 50 companies tracked

There are 50 energy efficiency software companies headquartered in Austria (RevenueBase, August 2026). RevenueBase tracks 821 professional contacts across them, including 124 with verified work emails and 9 with mobile numbers. Wien is the largest hub.

This list covers energy efficiency 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.

50Companies

821Contacts tracked

124Verified emails

9Mobile numbers

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The 17 largest energy efficiency software companies based in Austria

Ranked by team size

Top 17 of 50 energy efficiency 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	TSET	Kuchl	51-200	66	44
2	Ista Österreich	Wien	201-500	48	22
3	Sauter Österreich	Innsbruck	51-200	27	11
4	Meerx Group Gmbh	Wien	11-50	17	8
5	nista.io	Wien	11-50	17	1
6	Linemetrics	Haag	11-50	11	6
7	Eudt Energie- U. Umweltdatentreuhand Gmbh	Klagenfurt	11-50	9	7
8	Dilt Analytics	Graz	11-50	8	6
9	Oqdo Smart Buildings	Gleisdorf	1-10	7	5
10	ETU Hottgenroth Software	Holzhausen	11-50	5	2
11	Arteria Technologies	Graz	1-10	5	1
12	Peam Gmbh	n/a	1-10	3	3
13	Priva Building Automation Switzerland	n/a	11-50	3	2
14	BTM Energy Gmbh	Vienna	1-10	2	2
15	optivice.energy	Wien	1-10	2	1
16	ECB Energy Consulting Business Gmbh	Salzburg	1-10	1	1
17	Eneries Gmbh	Wien	1-10	1	1

Showing 17 of 50 energy efficiency software companies based in Austria

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Energy efficiency software companies based in Austria at a glance

As of Aug 28, 2026

1-10Median size (employees)

WienLargest hub · 10 HQs

9Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Energy efficiency software companies by metro

Metro	Companies
Energy efficiency software companies in Wien	10
Energy efficiency software companies in Graz	6
Energy efficiency software companies in Innsbruck	3
Energy efficiency software companies in Vienna	2
Energy efficiency software companies in Sankt Polten	1
Energy efficiency software companies in Gaweinstal	1
Energy efficiency software companies in Holzhausen	1

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 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; 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 Austria?

There are 50 energy efficiency software companies headquartered in Austria as of August 2026 (RevenueBase).

What is the largest company on this list?

TSET, headquartered in Kuchl, tops this list with the largest team on record.

Which city has the most energy efficiency software companies?

Wien leads with 10 headquartered companies, followed by Graz (6) and Innsbruck (3).

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 124 verified decision-maker contacts tracked across these 50 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.