Company lists · Data verified August 2026

Top 25 Energy efficiency software companies based in Switzerland

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 79 companies tracked

There are 79 energy efficiency software companies headquartered in Switzerland (RevenueBase, August 2026). RevenueBase tracks 669 professional contacts across them, including 315 with verified work emails and 14 with mobile numbers. Zurich is the largest hub.

This list covers energy efficiency software companies headquartered in Switzerland, 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.

79Companies

669Contacts tracked

315Verified emails

14Mobile numbers

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The 25 largest energy efficiency software companies based in Switzerland

Ranked by team size

Top 25 of 79 energy efficiency software companies based in Switzerland, 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	Sontex SA	Sonceboz-Sombeval	51-200	78	22
2	Signa-Terre SA	Geneve	11-50	48	32
3	Primeo Energie AG	Zurich	11-50	34	24
4	Ista Swiss AG	Oftringen	51-200	34	7
5	Energie-Agentur DER Wirtschaft Agence DE L Énergie Pour L Économie	Zurich	51-200	31	21
6	Ecco2 Solutions AG	Givisiez	11-50	25	24
7	Smart-Me INC	Rotkreuz	11-50	25	15
8	ENEOS	Epalinges Lausanne	1-10	20	9
9	Girsberger Informatik AG	Brunnen	11-50	16	9
10	Datapred	Lausanne	11-50	15	10
11	Gestical SA	Cadempino	11-50	15	7
12	Home Intelligence Sàrl	Lonay	11-50	15	4
13	Swistec Systems AG	Fehraltorf	11-50	14	11
14	Tetrag AG	Givisiez	11-50	14	9
15	Clemap	Zurich	11-50	13	5
16	Emissium	n/a	1-10	12	2
17	Climkit	Vevey	11-50	11	8
18	DM Energieberatung AG	Brugg	11-50	11	6
19	YORD	Fribourg	1-10	10	7
20	E-Nno Switzerland SA	Carouge	11-50	10	5
21	OXOIA	Klingnau	1-10	10	4
22	Enerbat SA	Geneve	1-10	9	6
23	Local Energy SA Régie Énergétique	Lausanne	1-10	8	7
24	Imovatec AG	Hunenberg	11-50	8	6
25	MUV Digital AG	Schaffhausen	1-10	8	4

Showing 25 of 79 energy efficiency software companies based in Switzerland

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Energy efficiency software companies based in Switzerland at a glance

As of Aug 28, 2026

1-10Median size (employees)

ZurichLargest hub · 7 HQs

14Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Energy efficiency software companies by metro

Metro	Companies
Energy efficiency software companies in Zurich	7
Energy efficiency software companies in Lausanne	4
Energy efficiency software companies in Yverdon-Les-Bains	2
Energy efficiency software companies in Geneve	2
Energy efficiency software companies in Winterthur	2
Energy efficiency software companies in Fribourg	2
Energy efficiency software companies in Brugg	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 “energy efficiency software companies”, with match quality audited by blind human judging, and headquartered in Switzerland.
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 Switzerland?

There are 79 energy efficiency software companies headquartered in Switzerland as of August 2026 (RevenueBase).

What is the largest company on this list?

Sontex SA, headquartered in Sonceboz-Sombeval, tops this list with the largest team on record.

Which city has the most energy efficiency software companies?

Zurich leads with 7 headquartered companies, followed by Lausanne (4) and Yverdon-Les-Bains (2).

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 315 verified decision-maker contacts tracked across these 79 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.