Company lists · Data refreshed October 2026

Top 25 Energy efficient home upgrade contractors based in Switzerland

Name: Energy efficient home upgrade contractors based in Switzerland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 133 companies tracked

RevenueBase identified 133 company matches for energy efficient home upgrade contractors associated with Switzerland as of October 2026 and tracks 648 professional contacts across them, including 247 with verified work emails. Geneva is the largest hub.

This list covers company matches for energy efficient home upgrade contractors 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 12, 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 12, 2026 How this list was built

133Companies

648Contacts tracked

247Verified emails

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The 25 largest energy efficient home upgrade contractors based in Switzerland

Ranked by team size

Top 25 of 133 company matches for energy efficient home upgrade contractors based in Switzerland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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	GLB Genossenschaft	Exact match	Langnau, SwitzerlandHQ recorded Oct 12, 2026	501-1,000	134 contacts →
	Exact match “GLB ist die verlässliche Partnerin für Lebensräume – Die Expertin für energieeffiziente Sanierung, Neubau, Einfamilien- oder Mehrfamilienhaus, Gewerbe- oder Industriebau…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Preisig AG	Exact match	Zurich, SwitzerlandHQ recorded Oct 12, 2026	201-500	47 contacts →
	Exact match “Preisig AG ist ein führendes Unternehmen in den Bereich Sanitär, Heizung, Solartechnik, Bedachung und Spenglerei.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Services Plus Energies SA	Exact match	Bernex, SwitzerlandHQ recorded Oct 12, 2026	51-200	35 contacts →
	Exact match “Depuis 15 ans à votre service, Services Plus Energies est une entreprise spécialisée en Chauffage, Ventilation et Climatisation.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Muller Energies	Exact match	Meinier, SwitzerlandHQ recorded Oct 12, 2026	51-200	27 contacts →
	Exact match “Muller Energies SA est votre spécialiste dans la maintenance et l’optimisation énergétique de vos installations de chauffage, ventilation, et climatisation.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	Guggisberg Dach Fassade Energie	Exact match	Wabern, SwitzerlandHQ recorded Oct 12, 2026	51-200	21 contacts →
	Exact match “Guggisberg ist der Berner Spezialist für Gebäudehülle und energetische Sanierungen.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Axova AG	Exact match	Diepflingen, SwitzerlandHQ recorded Oct 12, 2026	51-200	19 contacts →
	Exact match “Sonnenlicht in Strom umzuwandeln, ist eine geniale Technik!” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Guggisberg Kurz AG	Exact match	Ostermundigen, SwitzerlandHQ recorded Oct 12, 2026	51-200	17 contacts →
	Exact match “Mit über 90 erfahrene Mitarbeitenden ist die Guggisberg Kurz AG in der Lage sowohl grosse Objekte auszuführen, als auch sehr flexibel zu agieren.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Schmid Amrhein AG	Exact match	Luzern, SwitzerlandHQ recorded Oct 12, 2026	51-200	14 contacts →
	Exact match “Unsere Wurzeln reichen zurück bis ins Jahr 1947 – doch unser Blick ist klar auf die Zukunft gerichtet.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Home Intelligence Sàrl	Exact match	Lonay, SwitzerlandHQ recorded Oct 12, 2026	11-50	12 contacts →
	Exact match “Spécialiste en optimisation énergétique!” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Werner Isolations	Exact match	Geneva, SwitzerlandHQ recorded Oct 12, 2026	11-50	11 contacts →
	Exact match “économie d'énergie oblige!” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Neukom Marzolo AG	Exact match	Rafz, SwitzerlandHQ recorded Oct 12, 2026	11-50	10 contacts →
	Exact match “Die Neukom Marzolo AG mit Sitz in Rafz und Uster ist Ihr kompetenter Partner für innovative, ökonomische und ökologische Lösungen in der Gebäudetechnik.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Haustechnik	Exact match	Staas, SwitzerlandHQ recorded Oct 12, 2026	11-50	8 contacts →
	Exact match “Wir sind ein dynamisches Unternehmen, das sich auf die Bereitstellung erstklassiger Haustechniklösungen spezialisiert hat.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	Voltis Energies	Exact match	Villars-sur-glâne, SwitzerlandHQ recorded Oct 12, 2026	51-200	8 contacts →
	Exact match “Voici les principaux types de prestations que Voltis Energies peut vous offrir : 1.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Franconi Grob AG	Exact match	Biel/bienne, SwitzerlandHQ recorded Oct 12, 2026	11-50	8 contacts →
	Exact match “Ihr Spezialist für Haus- und Energietechnik” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Gowatt	Exact match	Vuiteboeuf, SwitzerlandHQ recorded Oct 12, 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 12, 2026 · View company records in RevenueBase
16	Ecoenergy Swiss AG	Exact match	Volketswil, SwitzerlandHQ recorded Oct 12, 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 12, 2026 · View company records in RevenueBase
17	Helios Solar Energie Gmbh	Exact match	Muttenz, SwitzerlandHQ recorded Oct 12, 2026	11-50	6 contacts →
	Exact match “Von der Beratung bis zur Installation: Helios Solar Energie ist Ihr zuverlässiger Partner für nachhaltiges und effizientes Energiesparen mit Solarenergie.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Arthur Müggler & Co. AG	Exact match	Altstätten, SwitzerlandHQ recorded Oct 12, 2026	11-50	5 contacts →
	Exact match “Bedachung, Fassadenbau, Solaranlagen, Gebäudeunterhalt, Energieberatungen, Expertisen” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	Servodomo SA Vezzoligas SA	Exact match	Bedano, SwitzerlandHQ recorded Oct 12, 2026	11-50	5 contacts →
	Exact match “Dal 1961.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	casa-technica.ch	Exact match	Näfels, SwitzerlandHQ recorded Oct 12, 2026	11-50	5 contacts →
	Exact match “Sanitär, Solar, Lüftung, Dach, Spengler, Fassade, Gebäudesanierung” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Ponzio Engineering SA	Exact match	Thierrens, SwitzerlandHQ recorded Oct 12, 2026	1-10	5 contacts →
	Exact match “Ponzio Engineering est une entreprise familiale créée en 1970.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	E H Ingenieurbüro FÜR Energie Haustechnik AG	Exact match	Schaffhausen, SwitzerlandHQ recorded Oct 12, 2026	11-50	5 contacts →
	Exact match “Energieeffizienz, erneuerbare Energien und Komfort sind unsere Kernkompetenzen.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Markus Schmid AG	Exact match	Malters, SwitzerlandHQ recorded Oct 12, 2026	11-50	4 contacts →
	Exact match “Wir sind ein moderner Sanitär, Heizungs- und Solartechnikbetrieb, der kompetente Arbeit leistet und Ihnen hohe Qualität zu einem fairen Preis garantiert.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Ammann Schmid AG	Exact match	Uster, SwitzerlandHQ recorded Oct 12, 2026	11-50	4 contacts →
	Exact match “SANIERUNG/ERSATZANLAGEN Stimmen die Temperaturen oder Emissionswerte nicht mehr?” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Froglux AG	Exact match	Reinach, SwitzerlandHQ recorded Oct 12, 2026	11-50	4 contacts →
	Exact match “Willkommen bei FrogLux AG – Ihr lokaler Spezialist in Elektro- und Solartechnik!” Recorded in the RevenueBase company graph · Oct 12, 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 efficient home upgrade contractors”. 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 133 energy efficient home upgrade contractors based in Switzerland

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Energy efficient home upgrade contractors based in Switzerland at a glance

As of Oct 12, 2026

38.1%Verified-email coverage

4.9Average contacts per company

1-10Median size (employees)

2.3%Largest-city concentration · Geneva

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 133 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 efficient home upgrade contractors” 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 247 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 12, 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 efficient home upgrade contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy efficient home upgrade contractors are there based in Switzerland?

RevenueBase identified 133 company matches for energy efficient home upgrade contractors 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?

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

Which city has the most energy efficient home upgrade contractors?

Geneva leads with 3 company records, followed by Gland (3) and Reinach (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 247 professional contacts with verified work emails tracked across these 133 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 12, 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.