Company lists · Data refreshed October 2026

Top 25 Energy efficiency program implementation services based in Switzerland

Name: Energy efficiency program implementation services based in Switzerland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 25, 2026 92 companies tracked

RevenueBase identified 92 company matches for energy efficiency program implementation services associated with Switzerland as of October 2026 and tracks 558 professional contacts across them, including 204 with verified work emails. Zurich is the largest hub.

This list covers company matches for energy efficiency program implementation services 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 October 25, 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 Oct 25, 2026 How this list was built

92Companies

558Contacts tracked

204Verified emails

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The 25 largest energy efficiency program implementation services based in Switzerland

Ranked by team size

Top 25 of 92 company matches for energy efficiency program implementation services based in Switzerland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 25, 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	Sontex SA	Exact match	Sonceboz-sombeval, SwitzerlandHQ recorded Oct 25, 2026	51-200	83 contacts →
	Exact match “For over 30 years, Sontex has offered innovative systems for the precise collection of energy consumption data.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
2	Energie-Agentur DER Wirtschaft Agence DE L Énergie Pour L Économie	Exact match	Zürich, SwitzerlandHQ recorded Oct 25, 2026	51-200	27 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 · Oct 25, 2026 · View company records in RevenueBase
3	Weisskopf Partner Gmbh	Exact match	Zürich, SwitzerlandHQ recorded Oct 25, 2026	11-50	26 contacts →
	Exact match “Die Steigerung von Energieeffizienz und den Einsatz von erneuerbaren Energien verfolgen wir mit Herzblut.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
4	Ecco2 Solutions AG	Exact match	Givisiez, SwitzerlandHQ recorded Oct 25, 2026	11-50	22 contacts →
	Exact match “ECCO2 Solutions AG offers innovative services for energy efficiency in buildings.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
5	Enastra AG	Exact match	Zurich, SwitzerlandHQ recorded Oct 25, 2026	11-50	22 contacts →
	Exact match “Das Vernetzen der Fachgebiete Strategie & Konzept, Bauherrentreuhand, Energiecontrolling und Nebenkosten ist das Fundament unserer Kernkompetenz.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
6	Gestical SA	Exact match	Cadempino, SwitzerlandHQ recorded Oct 25, 2026	11-50	14 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 · Oct 25, 2026 · View company records in RevenueBase
7	DM Energieberatung AG	Exact match	Brugg, SwitzerlandHQ recorded Oct 25, 2026	11-50	13 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 · Oct 25, 2026 · View company records in RevenueBase
8	Home Intelligence Sàrl	Exact match	Lonay, SwitzerlandHQ recorded Oct 25, 2026	11-50	12 contacts →
	Exact match “Spécialiste en optimisation énergétique!” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
9	Engitec AG	Exact match	Winterthur, SwitzerlandHQ recorded Oct 25, 2026	11-50	11 contacts →
	Exact match “Professionelle Beratung, Planung und Umsetzung von nachhaltigen Energiekonzepten für Privathaushalte und Gewerbe: Photovoltaikanlagen, Elektrospeicherlösungen, Ladestationen für…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
10	Oekowatt AG	Exact match	Luzern, SwitzerlandHQ recorded Oct 25, 2026	11-50	10 contacts →
	Exact match “Nachhaltige Energieverwendung ist sowohl für Private, Firmen und auch für die öffentliche Hand von grosser Bedeutung.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
11	Enerbat SA	Exact match	Geneva, SwitzerlandHQ recorded Oct 25, 2026	1-10	10 contacts →
	Exact match “EnerBat assure la gestion énergétique globale du bâtiment.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
12	Ennovatis Schweiz AG	Exact match	Olten, SwitzerlandHQ recorded Oct 25, 2026	11-50	10 contacts →
	Exact match “ennovatis bietet Ihnen clevere Energielösungen und langjährige Expertise aus einer Hand zu den Themen Energiemanagement, Abrechnungen und Engineering von Energiesystemen.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
13	Navitas Consilium SA	Exact match	Martigny, SwitzerlandHQ recorded Oct 25, 2026	1-10	8 contacts →
	Exact match “Navitas Consilium soutient les collectivités publiques et le secteur privé vers une utilisation rationnelle de l'énergie et son approvisionnement durable.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
14	Gowatt	Exact match	Vuiteboeuf, SwitzerlandHQ recorded Oct 25, 2026	1-10	8 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 · Oct 25, 2026 · View company records in RevenueBase
15	Energy Efficiency HUB AG	Exact match	Zug, SwitzerlandHQ recorded Oct 25, 2026	1-10	7 contacts →
	Exact match “Energy Efficiency Hub (EEHub) is an independent service and solution provider and trusted adviser to owners and operators of industrial cooling systems, chillers and heat pumps.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
16	Ecoenergy Swiss AG	Exact match	Volketswil, SwitzerlandHQ recorded Oct 25, 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 · Oct 25, 2026 · View company records in RevenueBase
17	Energyoptimizer AG	Exact match	Pieterlen, SwitzerlandHQ recorded Oct 25, 2026	11-50	5 contacts →
	Exact match “EnergyOptimizer steht für ganzheitliches Energiemanagement das Ressourcen schont und Ihre Energiebilanz verbessert.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
18	E H Ingenieurbüro FÜR Energie Haustechnik AG	Exact match	Schaffhausen, SwitzerlandHQ recorded Oct 25, 2026	11-50	5 contacts →
	Exact match “Energieeffizienz, erneuerbare Energien und Komfort sind unsere Kernkompetenzen.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
19	Th. Huonder Partner AG	Exact match	Wallisellen, SwitzerlandHQ recorded Oct 25, 2026	11-50	4 contacts →
	Exact match “Erdsonde, Fernwärme, Pellets oder Solar?” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
20	Chrono Energie SA	Exact match	Vufflens-la-ville, SwitzerlandHQ recorded Oct 25, 2026	1-10	4 contacts →
	Exact match “L'efficacité énergétique à votre service, afin d'optimiser vos moyens de production.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
21	Energo Energieeffizienz In Gebäuden	Exact match	Hünenberg, SwitzerlandHQ recorded Oct 25, 2026	11-50	3 contacts →
	Exact match “Was gut für die Umwelt ist, ist auch gut fürs Portemonnaie“.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
22	Helvetia Energy	Exact match	Geneva, SwitzerlandHQ recorded Oct 25, 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 · Oct 25, 2026 · View company records in RevenueBase
23	Brandes Energie AG	Exact match	Zurich, SwitzerlandHQ recorded Oct 25, 2026	1-10	3 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
24	Ström SA	Exact match	Crissier, SwitzerlandHQ recorded Oct 25, 2026	1-10	3 contacts →
	Exact match “STRÖM SA offers smart homes and eco energy solutions services for your home and industrial environments.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
25	JUD Energie AG	Exact match	Benken (sankt Gallen), SwitzerlandHQ recorded Oct 25, 2026	1-10	3 contacts →
	Exact match “Nutzen Sie die Umwandlung der Sonnenenergie in elektrische Energie und installieren Sie eine Photovoltaik-Anlage (PV-Anlage)!” Recorded in the RevenueBase company graph · Oct 25, 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 “energy efficiency program implementation services”. 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 92 energy efficiency program implementation services based in Switzerland

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Energy efficiency program implementation services based in Switzerland at a glance

As of Oct 25, 2026

36.6%Verified-email coverage

6.1Average contacts per company

1-10Median size (employees)

6.5%Largest-city concentration · Zurich

Oct 25, 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 92 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 “energy efficiency program implementation services” 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 204 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 October 25, 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 “energy efficiency program implementation services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy efficiency program implementation services are there based in Switzerland?

RevenueBase identified 92 company matches for energy efficiency program implementation services associated with Switzerland as of October 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?

Sontex SA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most energy efficiency program implementation services?

Zurich leads with 6 company records, followed by Geneva (5) and Neuchatel (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 204 professional contacts with verified work emails tracked across these 92 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 October 25, 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.