Company lists · Data refreshed September 2026

Top 25 Renewable energy installation contractors based in Switzerland

Name: Renewable energy installation contractors based in Switzerland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 545 companies tracked

RevenueBase identified 545 company matches for renewable energy installation contractors associated with Switzerland as of September 2026 and tracks 3,351 professional contacts across them, including 1,237 with verified work emails. Zurich is the largest hub.

This list covers company matches for renewable energy installation 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 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

545Companies

3,351Contacts tracked

1,237Verified emails

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The 25 largest renewable energy installation contractors based in Switzerland

Ranked by team size

Top 25 of 545 company matches for renewable energy installation contractors 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	Groupe Gruyère Energie	Exact match	Bulle, SwitzerlandHQ recorded Sep 17, 2026	201-500	157 contacts →
	Exact match “Active depuis plus de 130 ans et principal promoteur de la transition énergétique dans la région, Gruyère Energie SA est une entreprise active dans l’approvisionnement et la…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	GLB Genossenschaft	Exact match	Langnau, SwitzerlandHQ recorded Sep 17, 2026	501-1,000	142 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 · Sep 17, 2026 · View company records in RevenueBase
3	Megasol Energie AG	Exact match	Deitingen, SwitzerlandHQ recorded Sep 17, 2026	201-500	85 contacts →
	Exact match “Built with cutting-edge technology, economical to operate and easy to install: Solar systems from Megasol combine performance, reliability and appearance - from standardized…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Soltop Energie AG	Exact match	Elgg, SwitzerlandHQ recorded Sep 17, 2026	51-200	84 contacts →
	Exact match “Erneuerbare Energien aus Sonne, Erde, Luft und Wasser nutzbar machen: Diese Kernaufgabe erfüllt die Soltop Energie AG bereits seit über 40 Jahren konsequent und erfolgreich.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Schibli-Gruppe	Exact match	Zürich, SwitzerlandHQ recorded Sep 17, 2026	501-1,000	83 contacts →
	Exact match “Der Fokus der Schibli-Gruppe liegt auf einem gesamtheitlichen Angebot.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Ciel Electricité SA	Exact match	Lausanne, SwitzerlandHQ recorded Sep 17, 2026	51-200	74 contacts →
	Exact match “CIEL est une marque d’Eiffage Énergie Systèmes Suisse.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Koster AG	Exact match	Zurich, SwitzerlandHQ recorded Sep 17, 2026	201-500	73 contacts →
	Exact match “Gebäudetechniker” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Heim AG Heizsysteme	Exact match	Aadorf, SwitzerlandHQ recorded Sep 17, 2026	51-200	66 contacts →
	Exact match “Seit 1989 begeistern wir unsere Kunden mit massgeschneiderten Lösungen und unvergleichlichen Dienstleistungen im Bereich der erneuerbaren Energien.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Thomaslloyd Group	Exact match	Stadtkreis 2, SwitzerlandHQ recorded Sep 17, 2026	1,001-5,000	62 contacts →
	Exact match “Founded in 2003, ThomasLloyd is a vertically integrated sustainable energy and technology solutions provider, integrating development, investment, operations, and technology on a…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Soleol SA	Exact match	Estavayer-le-lac, SwitzerlandHQ recorded Sep 17, 2026	51-200	59 contacts →
	Exact match “Soleol SA est une entreprise fribourgeoise basée à Estavayer-le-Lac, spécialisée dans les énergies renouvelables et parmi les leaders en Suisse dans la réalisation et…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Planeco Gmbh	Exact match	Arlesheim, SwitzerlandHQ recorded Sep 17, 2026	51-200	50 contacts →
	Exact match “Willkommen bei Planeco GmbH – deiner wegweisenden Partnerin für innovative Energielösungen!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Amaudruz SA	Exact match	Lausanne, SwitzerlandHQ recorded Sep 17, 2026	51-200	39 contacts →
	Exact match “Entreprise générale d'installations électriques, Amaudruz SA naît en 1934 sous la direction de Lucien Amaudruz.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Clevergie AG	Exact match	Wyssachen, SwitzerlandHQ recorded Sep 17, 2026	51-200	36 contacts →
	Exact match “clevergie konzipiert und baut Erneuerbare-Energie-Anlagen rund erneuerbare Energieanlagen rund um Photovoltaik, Wärmetechnik und E-Mobilität.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Edmondo Franchini SA	Exact match	Lamone - Lugano, SwitzerlandHQ recorded Sep 17, 2026	51-200	35 contacts →
	Exact match “La progettazione, l'esecuzione, l'automazione e la riparazione di impianti elettrici a corrente forte e debole e tutte le applicazioni, energie alternative, impianti fotovoltaici…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Solexis SA	Exact match	Sierre, SwitzerlandHQ recorded Sep 17, 2026	11-50	35 contacts →
	Exact match “SOLEXIS is a Swiss importer and wholesaler of renewable energy system components, particularly solar system components.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Tophinke Automation & Gebäudetechnik AG	Exact match	Hochdorf, SwitzerlandHQ recorded Sep 17, 2026	51-200	34 contacts →
	Exact match “Als fairer und flexibler Arbeitgeber und Partner ist Tophinke ein schweizweit führender Anbieter für automatisierte Gesamtlösungen – Von der Planung über die Projektdurchführung…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Services Plus Energies SA	Exact match	Bernex, SwitzerlandHQ recorded Sep 17, 2026	51-200	31 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 · Sep 17, 2026 · View company records in RevenueBase
18	Ampere Dynamic	Exact match	Zurich, SwitzerlandHQ recorded Sep 17, 2026	11-50	29 contacts →
	Exact match “Als Experte für nachhaltige und schlüsselfertige Energielösungen im Industrie & Gewerbesektor denken wir Energie ganzheitlich.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	BE Netz AG	Exact match	Luzern, SwitzerlandHQ recorded Sep 17, 2026	51-200	24 contacts →
	Exact match “Das Unternehmen BE Netz AG ist spezialisiert auf Strom und Wärme aus der Sonne.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Suntechnics Fabrisolar AG	Exact match	Effretikon, SwitzerlandHQ recorded Sep 17, 2026	51-200	24 contacts →
	Exact match “Seit über 40 Jahren dreht sich bei SunTechnics Fabrisolar alles um das Thema erneuerbare Energien.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Resiq AG	Exact match	Burgdorf, SwitzerlandHQ recorded Sep 17, 2026	11-50	24 contacts →
	Exact match “RESiQ setzt sich für den erfolgreichen Einsatz von erneuerbaren Ressourcen (RES) ein und ermöglicht durch intelligente technische Lösungen (iQ) deren effiziente und nachhaltige…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	The Meeco Group	Exact match	Zug, SwitzerlandHQ recorded Sep 17, 2026	51-200	24 contacts →
	Exact match “As a leader in clean renewable energy, meeco™ has provided clients with services and solutions for over 423 MW across three continents.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Solstis Energy AG	Exact match	Solothurn, SwitzerlandHQ recorded Sep 17, 2026	51-200	23 contacts →
	Exact match “Mit ganzheitlichen Solarlösungen begleiten wir unsere Kundinnen und Kunden auf dem Weg zur nachhaltigen Energieversorgung und -nutzung.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Electro-Sol SA	Exact match	Cossonay, SwitzerlandHQ recorded Sep 17, 2026	11-50	23 contacts →
	Exact match “Electro-Sol.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Sonnwende	Exact match	Basel, SwitzerlandHQ recorded Sep 17, 2026	11-50	22 contacts →
	Exact match “Sonnwende GmbH \| Photovoltaik und Wärme \| Basel.” 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 “renewable energy installation 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 545 renewable energy installation contractors based in Switzerland

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Renewable energy installation contractors based in Switzerland at a glance

As of Sep 17, 2026

36.9%Verified-email coverage

6.1Average contacts per company

1-10Median size (employees)

3.7%Largest-city concentration · Zurich

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

304

11-50

188

51-200

201-500

501-1,000

1,001-5,000

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 545 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 “renewable energy installation 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 1,237 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 “renewable energy installation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable energy installation contractors are there based in Switzerland?

RevenueBase identified 545 company matches for renewable energy installation contractors 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?

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

Which city has the most renewable energy installation contractors?

Zurich leads with 20 company records, followed by Geneva (13) and Lausanne (10).

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 1,237 professional contacts with verified work emails tracked across these 545 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.