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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,089 companies indexed · Last updated: today
DirectorySolar & Photovoltaics

Solar & Photovoltaics

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3'203 companies found

Karl Stüssi Sanitär AG Logo

Karl Stüssi Sanitär AG 

Glarus · Since 2011

The core activity of Karl Stüssi Sanitär AG is the planning, design, installation, maintenance and repair of sanitary facilities, ventilation systems and solar systems.

Solar & Photovoltaics
View profile4.3(12)
LESOL GmbH Logo

LESOL GmbH 

St. Pelagiberg · Since 2023

The core activity of LESOL is the planning, installation and maintenance of sustainable energy solutions, particularly in the field of solar energy, battery storage and e-mobility. This includes creating individual project plans, installing photovoltaic systems and battery storage systems, as well as consulting and installing charging stations for electric vehicles.

Solar & Photovoltaics
View profile5(12)
MBRsolar AG Logo

MBRsolar AG 

Wängi · Since 2001

MBRsolar AG is an energy specialist for photovoltaic systems, providing project planning, system monitoring, storage solutions, energy consulting and electricity marketing for agriculture, commercial clients and single-family homes.

Solar & Photovoltaics
View profile4.1(12)
MR Agri-PV AG Logo

MR Agri-PV AG 

Wängi · Since 2017

Solar & Photovoltaics
View profile4.1(12)
Oberholzer Sanitär AG Logo

Oberholzer Sanitär AG 

Neuhaus Sg · Since 1999

The company is a building technician specializing in the planning, installation and maintenance of heating, ventilation and sanitary systems. Core activities include the preparation of hot water and heating support, controlled residential ventilation, bathroom renovation and the renovation of heating systems.

Solar & Photovoltaics
View profile4.7(12)
Oekoswiss Energy AG Logo

Oekoswiss Energy AG 

Hildisrieden · Since 1995

The core activity of Oekoswiss Energy AG is the development, production and marketing of infrared heating systems and control technology for residential and industrial applications, with a focus on energy efficiency, sustainability and innovative solutions.

Solar & Photovoltaics
View profile4.7(12)
Rhiienergie AG (rhiienergie) Logo

Rhiienergie AG (rhiienergie) 

Tamins · Since 1906

The core activity of Rhiienergie AG is energy supply, particularly the production and distribution of electricity from renewable energy sources, such as photovoltaics, as well as providing solutions for energy efficiency and energy saving. This also includes the installation and operation of solar systems, charging stations for electric vehicles, and advising customers on energy efficiency and sustainable energy consumption.

Energy SuppliersSolar & Photovoltaics
View profile4.1(12)
Sanitär Troxler AG Logo

Sanitär Troxler AG 

Inwil · Since 2011

The core activity of Sanitär Troxler AG is the planning, installation, maintenance and repair of sanitary systems, heating systems, comfort ventilation systems and thermal solar systems, particularly in the area of renovations and repairs in bathrooms, kitchens and agricultural businesses.

Solar & Photovoltaics
View profile4.8(12)
Scherrer Gebäudehüllen AG Logo

Scherrer Gebäudehüllen AG 

Henggart · Since 2010

The core activity of Scherrer company primarily encompasses services and works in the field of construction, particularly: * Timber construction * Pitched roofs * Facades * Flat roofs * Solar technology * Crane services In addition, the company also offers complementary services such as: * Building envelope maintenance * Marder control * Wasp control * Energy consulting * Planning and estimating * Building thermography * Blower-door tests The company appears to specialize in the planning, execution, and maintenance of building envelopes and technology.

Solar & Photovoltaics
View profile4.3(12)
Senero AG Logo

Senero AG 

Winterthur · Since 2005

Senero AG designs, installs and maintains photovoltaic systems and supplies battery storage, energy-management solutions, e-mobility services and off-grid systems. The company also provides engineering for large projects, system monitoring and training activities in photovoltaics.

Solar & Photovoltaics
View profile4.9(12)
SolarHub AG Logo

SolarHub AG 

Wolhusen · Since 2021

The core activity of SolarHub AG is the consulting, planning, implementation and sale of solar systems and related products such as solar panels, battery storage systems and inverters for private and commercial customers in Switzerland. The company also offers plug-and-play solar systems for self-assembly and complete solar systems for various roof types and construction methods.

Solar & Photovoltaics
View profile4(12)
Stalder R. GmbH Logo

Stalder R. GmbH 

Entlebuch · Since 1994

The core activity of Stalder R. GmbH encompasses the planning, installation and maintenance of building technology systems, particularly: heating systems (including wood storage systems and heat pumps), sanitary facilities, chimney construction, water supply, solar systems, central vacuum cleaners and comfort ventilation. The company thus offers comprehensive services in the field of building technology and building services engineering.

Solar & Photovoltaics
View profile5(12)
swisscondens.ch GmbH Logo

swisscondens.ch GmbH 

Zollikofen · Since 2015

The core activity of Swisscondens GmbH encompasses consulting, installation and implementation of projects in the field of building technology, particularly in the areas of heating technology, sanitary installation, solar and energy storage technology. The company also offers administrative and project management services and coordinates projects from a single source.

Solar & Photovoltaics
View profile5(12)
Tirasol GmbH Logo

Tirasol GmbH 

Kyburg-Buchegg · Since 2022

The core activity of Tirasol GmbH is the planning, installation and maintenance of solar systems, as well as the provision of services in the field of energy management and electromobility. This includes in particular: The planning and installation of solar systems for private and commercial customers; The provision of services for the commissioning, maintenance and repair of solar systems; Support for the realization of solar projects, including obtaining quotes from installers and accompanying the construction process; The provision of charging solutions for electric vehicles and the integration of solar systems with electromobility solutions; Support for troubleshooting and maintenance of solar systems and energy management systems.

Solar & Photovoltaics
View profile5(12)
Quartierelektriker GmbH Logo

Quartierelektriker GmbH 

Basel · Since 2011

The core activity of Top Quartierelektriker is the provision of services in the field of electrical engineering, including: electrical installations, e-mobility, IT and telecommunications, security, solar energy, maintenance and service, as well as planning and consulting. The company offers these services to private and commercial customers in the Basel region and Northwestern Switzerland.

Solar & Photovoltaics
View profile4.3(12)
Werder AG Logo

Werder AG 

Waltenschwil · Since 1967

Werder AG is a building services company providing sanitary installations, heating systems and sheet-metal roofing (Bauspenglerei) services. Its offerings also include lightning protection, chimney systems, heating renovations, ventilation and bathroom/wellness solutions, and the website notes partnerships with manufacturers such as Artweger.

Sheet Metal WorkSolar & Photovoltaics
View profile4.3(12)
Agena SA Logo

Agena SA 

Forel (Lavaux) · Since 1988

The core activity of Agena consists in planning, implementing and maintaining plants for renewable energies, in particular: solar photovoltaic, solar thermal, heat pumps and battery storage. The company offers these solutions for various types of buildings, including residential, commercial, industrial and public buildings.

Solar & Photovoltaics
View profile4.3(11)
Avdili Elektro GmbH Logo

Avdili Elektro GmbH 

Glarus · Since 2021

The core activity of Avdili Elektro GmbH is the installation and distribution of solar systems as well as the provision of related services.

Solar & Photovoltaics
View profile5(11)
Dachbau Frei AG Logo

Dachbau Frei AG 

Domat/Ems · Since 2006

The core activity of Dachbau Frei AG is the execution of work related to the building envelope, particularly in the areas of: roofing work (pitched roof, flat roof), sheet metal work, facade work, installation of roof windows, installation of solar systems, sealing work, and repairs and renovations of building envelopes. The company thus offers comprehensive services for the construction, maintenance and renovation of building envelopes.

RoofingSheet Metal WorkSolar & Photovoltaics
View profile4.6(11)
Dach Walser AG Logo

Dach Walser AG 

Unterterzen · Since 1990

Dach Walser AG provides services for building envelopes and roof systems. Its offerings include pitched and flat roofing, metalwork (spengler) services, façade construction, photovoltaic installations, lightning and flood protection, roof windows, and maintenance and repair of roof and façade components.

Solar & Photovoltaics
View profile5(11)
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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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