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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,805 companies indexed · Last updated: today
DirectorySolar & Photovoltaics

Solar & Photovoltaics

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IndustryEnergy & EnvironmentIndustrySolar & Photovoltaics
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Matching companies

3'199 companies found

TI electric SA Logo

TI electric SA 

Agno · Since 2001

The core activity of Ti electric SA consists of planning, installing and maintaining electrical systems, including: industrial electrical systems, civil electrical systems, anti-intrusion systems, video surveillance systems, home automation systems, repair services, photovoltaic systems and telecommunications systems. The company also offers consulting and planning services.

Electrical Planning & InstallationSolar & Photovoltaics
View profile4.5(22)
Allenbach Holzbau und Solartechnik AG Logo

Allenbach Holzbau und Solartechnik AG 

Wengi B. Frutigen · Since 2022

The company is primarily active in the fields of timber construction and solar technology. The core activities include planning, realization and assembly of timber construction projects, including lightweight constructions in dry construction, breathable cellulose insulation and photovoltaic systems. In addition, the company offers services in the field of electromobility and energy storage.

Building ConstructionBuilding MaintenanceSolar & Photovoltaics
View profile4.9(21)
Elektrizitätswerk Jona-Rapperswil AG Logo

Elektrizitätswerk Jona-Rapperswil AG 

Jona · Since 1902

The company's core activity is energy supply and services, particularly in the field of electricity supply, as well as providing services in the areas of installation, networks, building technology and energy consulting.

Energy SuppliersSolar & Photovoltaics
View profile4(21)
Elektro Imboden AG Logo

Elektro Imboden AG 

Mellingen · Since 2022

The core activity of Elektro Imboden AG is the provision of services in the field of electrical installations, including renovations, service, solar systems, charging stations and building automation.

Solar & Photovoltaics
View profile4.8(21)
Fischer-Käser AG Logo

Fischer-Käser AG 

Lotzwil · Since 1993

The core activity of Fischer-Käser AG is the provision of services and solutions in the field of building technology, particularly in the areas of: Sanitary, Heating, Plumbing, Chimney construction, Ventilation, Air conditioning, Solar, and Lightning protection. The company offers consulting, planning, and execution of projects in these areas and supports customers in selecting and implementing climate-friendly heating solutions.

Sheet Metal WorkSolar & Photovoltaics
View profile4.5(21)
Greenkey SA Logo

Greenkey SA 

Pregassona · Since 2013

The core activity of Greenkey is the planning, installation and consulting of photovoltaic systems for families, companies and communities, including energy analysis and optimization.

Solar & Photovoltaics
View profile5(21)
Kübler Haustechnik AG Logo

Kübler Haustechnik AG 

Büsserach · Since 2000

The core activity of Kübler Haustechnik AG includes the planning, installation, maintenance and repair of heating systems and sanitary facilities for single and multi-family homes. This also includes the areas of plumbing and solar systems. The company also offers a 24-hour emergency service for its customers.

Solar & Photovoltaics
View profile4.6(21)
Linth Energie AG Logo

Linth Energie AG 

Siebnen · Since 2022

The core activity of Linth Energie AG includes the planning, installation, maintenance, and repair of electrical systems and installations, including: electrical installations (e.g. connecting and testing household appliances, lighting technology, high-voltage systems), building automation, photovoltaics (solar energy systems), e-mobility (charging infrastructure for electric vehicles), security systems (e.g. burglar alarm systems, surveillance systems), and telematics (remote monitoring and control of systems and installations). The company offers these services to private and commercial customers in the March & Höfe region.

Solar & Photovoltaics
View profile5(21)
Melintec AG Logo

Melintec AG 

Bremgarten Ag · Since 2017

Melintec AG provides consulting, project management and the planning, installation and maintenance of photovoltaic systems, storage solutions, e-mobility charging stations and lighting retrofits. The company also carries out service and maintenance work and supplies energy management solutions for residential and commercial clients.

Energy SuppliersSolar & Photovoltaics
View profile5(21)
Moritz Hunziker AG elektrische Anlagen Logo

Moritz Hunziker AG elektrische Anlagen 

Basel · Since 1978

The core activity of Moritz Hunziker AG is the provision of services in the field of electrical installation and technology, including: electrical installations for new buildings and renovations, telephone and TV installations, repairs and maintenance of electrical systems, installation and programming of photovoltaic systems, Christmas lighting and underfloor heating. The company also offers consulting and service services for commercial and private customers.

Solar & Photovoltaics
View profile4.4(21)
Reusser Dach und Fassaden AG Logo

Reusser Dach und Fassaden AG 

Mühlethurnen · Since 1996

The core activity of Reusser Dach + Fassaden AG encompasses the planning, execution and maintenance of roof and facade work, including: pitched roof renovation and new construction, flat roof renovation and new construction, facade renovation and new construction, insulation, roof windows, solar systems, crane work and aerial lifts, scaffolding, and repair and maintenance of roofs and facades. The company thus offers comprehensive services in the field of roof and facade construction and maintenance.

ScaffoldingRoofingSolar & Photovoltaics
View profile4.9(21)
SSR Sanitär-Spenglerei AG Rothrist Logo

SSR Sanitär-Spenglerei AG Rothrist 

Rothrist · Since 1981

The company's core activity is the planning, implementation and maintenance of building technology systems, particularly in the areas of plumbing, sheet metal work, heating, ventilation and solar systems, as well as the execution of repairs and service work in these areas.

Sheet Metal WorkSolar & Photovoltaics
View profile4.5(21)
Supersolar Wilhelm Logo

Supersolar Wilhelm 

Gams · Since 2022

The company's core activity is the sale of solar products and the consulting of customers in the selection and implementation of solar energy solutions for private and commercial purposes.

Solar & Photovoltaics
View profile4.7(21)
Theo Michel GmbH Sanitär Heizung Spenglerei Logo

Theo Michel GmbH Sanitär Heizung Spenglerei 

Dottikon · Since 2008

The core activity of Theo Michel GmbH is the provision of services and solutions in the field of building technology, particularly in the areas of: Sanitation: planning, installation, renovation and repair of sanitation systems; Heating: planning, installation, renovation and repair of heating systems; Plumbing: provision of plumbing services; Photovoltaics: planning, installation and maintenance of photovoltaic systems. The company thus offers comprehensive services for building technology, from planning to maintenance and repair, and positions itself as a reliable partner for all building technology-related questions.

Sheet Metal WorkSolar & Photovoltaics
View profile4.9(21)
Bill + Künzi AG Logo

Bill + Künzi AG 

Liebefeld · Since 1988

The core activity of bill + künzi ag is the planning, installation and maintenance of building technology systems, particularly in the field of heating and plumbing, including the installation of heat pump systems, solar systems and other renewable energy systems.

Plumbing & Building ServicesSolar & Photovoltaics
View profile5(20)
E-Confort Sàrl Logo

E-Confort Sàrl 

Vugelles-La Mothe · Since 2020

The core activity of E-Confort is the planning, installation and maintenance of heating, ventilation, air conditioning, sanitary and renewable energy systems, particularly solar energy, for private households.

Solar & Photovoltaics
View profile5(20)
Edwin Kunz AG Logo

Edwin Kunz AG 

Grüningen · Since 1973

The core activity of E. Kunz AG encompasses the planning, installation and maintenance of electrical systems, including photovoltaic and e-mobility solutions, as well as the provision of ICT services such as network and communication technology, security and surveillance systems, software development and system engineering.

Solar & Photovoltaics
View profile4.7(20)
Elektro Fierz AG Logo

Elektro Fierz AG 

Männedorf · Since 1979

The core activity of Elektro-Fierz AG encompasses the planning, installation, and maintenance of electrical systems and installations, including: electrical installations (new buildings, renovations, and refurbishments), communication technology (network cabling, telephone installations, and WLAN installations), lighting (garden lighting, interior lighting), e-mobility (charging infrastructure for electric vehicles), and photovoltaics (planning and installation of solar systems). The company also provides service work and consulting services in these areas.

Electrical Planning & InstallationSolar & Photovoltaics
View profile4.8(20)
Elektro Sonderer AG Logo

Elektro Sonderer AG 

Appenzell · Since 1991

The company is an electrical installation business offering a wide range of services, including: planning and installation of high and low voltage systems, photovoltaics and smart energy, smart home and lighting, IT and multimedia, including network technology, and electrobiology. These services are provided to various types of customers, including agricultural businesses, residential and commercial properties, for both new constructions and renovations.

Solar & Photovoltaics
View profile4.9(20)
Felix Unholz AG Logo

Felix Unholz AG 

Ebmatingen · Since 2002

The core activity of Felix Unholz AG includes comprehensive electrical installations, including high and low voltage, planning of electrical installations, maintenance services, telematics, cloud solutions, network and server solutions, as well as specialized services such as photovoltaic systems, storage systems, lifting and conveying systems, smart home systems, charging stations for electric vehicles and other electrical engineering solutions.

Solar & Photovoltaics
View profile4.6(20)
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Frequently asked questions

Searching the directory

How the search works, what each filter means, and how the results come together.

What can I search for in the directory?
The search field matches company names, industries and places. Beyond that you can filter by Industry (18 categories based on the NOGA classification), Size (number of employees), Region (canton, language region or postal code) and Special (keywords and entry date). Filters combine freely; the active ones appear as chips below the filter bar and can be removed there individually.
How do keywords work?
Keywords search the description and stated purpose of each company — the text that goes beyond the company name. Multiple keywords are combined with OR: every additional keyword widens the set of matches rather than narrowing it.
What belongs in the postal code field?
A single postal code (e.g. 8000) or a range (e.g. 1000-1010). The field accepts postal codes only — for place names, use Canton or Language region.
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How is organisation size determined?
Size reflects the number of employees and is calculated from publicly available information by a model developed in-house. It is a best-possible estimate, not an official figure.
What does the Verified label mean?
Verified means the entry is tied to a UID (Swiss business identification number) and therefore links back to the official Swiss business register. The label speaks to the company's identity — it is not a rating of its performance.

Source: Federal Statistical Office, UID register

How do I sort the results?
Use the dropdown above the list: Relevance, Name (A–Z), Best rating, Most reviews or Longest established. You can also switch between list and map view and set how many results appear per page.
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