Company lists · Data refreshed September 2026

Top 25 Residential energy efficiency companies based in Switzerland

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

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 96 companies tracked

RevenueBase identified 96 company matches for residential energy efficiency companies associated with Switzerland as of September 2026 and tracks 391 professional contacts across them, including 178 with verified work emails. Geneva is the largest hub.

This list covers company matches for residential energy efficiency companies associated with Switzerland, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 17, 2026 How this list was built

96Companies

391Contacts tracked

178Verified emails

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The 25 largest residential energy efficiency companies based in Switzerland

Ranked by team size

Top 25 of 96 company matches for residential energy efficiency companies based in Switzerland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Primeo Energie AG	Exact match	Münchenstein, SwitzerlandHQ recorded Sep 17, 2026	11-50	35 contacts →
	Exact match “Wir entwickeln smarte Lösungen für das Leben zu Hause und im Büro.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Energie-Agentur DER Wirtschaft Agence DE L Énergie Pour L Économie	Exact match	Zürich, SwitzerlandHQ recorded Sep 17, 2026	51-200	31 contacts →
	Exact match “Seit 2001 bieten wir unseren Teilnehmern unter der Einhaltung von Energieträger- und Produkteneutralität einen Rund-um-Service im Energie-Management mit bewährten und von Behörden…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Ecco2 Solutions AG	Exact match	Givisiez, SwitzerlandHQ recorded Sep 17, 2026	11-50	26 contacts →
	Exact match “ECCO2 Solutions AG offers innovative services for energy efficiency in buildings.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Gestical SA	Exact match	Cadempino, SwitzerlandHQ recorded Sep 17, 2026	11-50	15 contacts →
	Exact match “Your partner for energy saving in Switzerland With our energy services, we ensure efficient management of heating, air conditioning, water and electricity consumption, and do so…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Home Intelligence Sàrl	Exact match	Lonay, SwitzerlandHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “Spécialiste en optimisation énergétique!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	E-Nno Switzerland SA	Exact match	Carouge, SwitzerlandHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “E-nno développe et propose des solutions d’optimisation et de suivi énergétique pour les professionnels de l’immobilier et de la construction.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	DM Energieberatung AG	Exact match	Brugg, SwitzerlandHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “DM Energieberatung AG is a renewables & environment company based out of Paradiesstrasse 5, Brugg, Aargau, Switzerland.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	YORD	Exact match	Fribourg, SwitzerlandHQ recorded Sep 17, 2026	1-10	10 contacts →
	Exact match “Jusqu’à 40% d’économies pour votre chauffage YORD vous accompagne dans la réduction et le monitoring de la consommation énergétique des chauffages pour tous les types de bâtiments.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Enerbat SA	Exact match	Geneva, SwitzerlandHQ recorded Sep 17, 2026	1-10	9 contacts →
	Exact match “EnerBat assure la gestion énergétique globale du bâtiment.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Voltis Energies	Exact match	Villars-sur-glâne, SwitzerlandHQ recorded Sep 17, 2026	51-200	9 contacts →
	Exact match “Voici les principaux types de prestations que Voltis Energies peut vous offrir : 1.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	I.On Energy Services	Exact match	Rolle, SwitzerlandHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “I.ON Energy vous accompagne dans vos projets pour simplifier votre transition énergétique et améliorer votre production d'énergie.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	OXOIA	Exact match	Baden, SwitzerlandHQ recorded Sep 17, 2026	1-10	9 contacts →
	Exact match “Oxoia minimizes the energy expenses of a building.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Gowatt	Exact match	Vuiteboeuf, SwitzerlandHQ recorded Sep 17, 2026	1-10	9 contacts →
	Exact match “Nous offrons une gamme complète de produits et services pour répondre à vos besoins en matière d'énergie solaire et d'efficacité énergétique.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Local Energy SA Régie Énergétique	Exact match	Lausanne, SwitzerlandHQ recorded Sep 17, 2026	1-10	8 contacts →
	Exact match “Etablie à Lausanne, l’entreprise Local Energy est une solution sur mesure et sans risque pour les propriétaires souhaitant optimiser la consommation de leurs bâtiments tout en…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Franconi Grob AG	Exact match	Biel/bienne, SwitzerlandHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “Ihr Spezialist für Haus- und Energietechnik” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Elfero AG	Exact match	Meisterschwanden, SwitzerlandHQ recorded Sep 17, 2026	11-50	7 contacts →
	Exact match “elfero AG is a renewables & environment company based out of Lindenmattstrasse 9, Meisterschwanden, Canton of Aargau, Switzerland.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Soleco AG	Exact match	Maur (zh), SwitzerlandHQ recorded Sep 17, 2026	1-10	7 contacts →
	Exact match “Soleco Optimizer, the intelligent energy optimizer for private and multi-apartment buildings.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Her-Immo	Exact match	Bern, SwitzerlandHQ recorded Sep 17, 2026	1-10	6 contacts →
	Exact match “Plusenergie Immobilien.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Ecoenergy Swiss AG	Exact match	Volketswil, SwitzerlandHQ recorded Sep 17, 2026	1-10	6 contacts →
	Exact match “Ob Sie nun auf erneuerbare Energien umsteigen, Ihre Öl- oder Gasheizung durch eine moderne, energieeffiziente Anlage ersetzen oder den Wirkungsgrad Ihrer bestehenden Heizung…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Iso-Bau AG	Exact match	Bern, SwitzerlandHQ recorded Sep 17, 2026	11-50	5 contacts →
	Exact match “Die Iso-Bau AG ist für Sie der optimale Partner bei energieoptimierenden Gebäudeprojekten.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Froglux AG	Exact match	Reinach, SwitzerlandHQ recorded Sep 17, 2026	11-50	4 contacts →
	Exact match “Willkommen bei FrogLux AG – Ihr lokaler Spezialist in Elektro- und Solartechnik!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	E H Ingenieurbüro FÜR Energie Haustechnik AG	Exact match	Schaffhausen, SwitzerlandHQ recorded Sep 17, 2026	11-50	4 contacts →
	Exact match “Energieeffizienz, erneuerbare Energien und Komfort sind unsere Kernkompetenzen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Soltark	Exact match	Bubikon, SwitzerlandHQ recorded Sep 17, 2026	11-50	3 contacts →
	Exact match “Unter dem Motto «Autark durch Solar» arbeitet Soltark daran, mehr Unabhängigkeit und Freiheit in der Energieversorgung zu ermöglichen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Helvetia Energy	Exact match	Geneva, SwitzerlandHQ recorded Sep 17, 2026	11-50	3 contacts →
	Exact match “Notre engagement est de vous offrir l'excellence en matière d'analyse et d'optimisation des coûts énergétiques dans le respect du développement durable et responsable.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	J.Clever Energia Intelligente PER IL Ticino	Exact match	Quartino, SwitzerlandHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “Hai mai pensato di produrre in modo indipendente l’energia per la tua casa o azienda?” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “residential energy efficiency companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 96 residential energy efficiency companies based in Switzerland

See the full list, filter by size, metro and specialty, and access 178 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Residential energy efficiency companies based in Switzerland at a glance

As of Sep 17, 2026

45.5%Verified-email coverage

4.1Average contacts per company

1-10Median size (employees)

6.2%Largest-city concentration · Geneva

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

Email recency for this list is measured worldwide rather than for Switzerland, so it is reported there. Company counts and contact totals on this page are exact for Switzerland, over 96 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Switzerland whose business descriptions match “residential energy efficiency companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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: Every displayed company carries at least one verified work email. RevenueBase tracks 178 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 17, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “residential energy efficiency companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many residential energy efficiency companies are there based in Switzerland?

RevenueBase identified 96 company matches for residential energy efficiency companies associated with Switzerland as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Primeo Energie AG tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most residential energy efficiency companies?

Geneva leads with 6 company records, followed by Zurich (4) and Bern (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 178 professional contacts with verified work emails tracked across these 96 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.