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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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IndustryEnergy & EnvironmentIndustrySolar & Photovoltaics
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Matching companies

3'203 companies found

Elektro Zimmermann AG Logo

Elektro Zimmermann AG 

Brügglen · Since 2009

The core activity of Elektro Zimmermann AG is the provision of electrical installations and services, including: electrical installations in residential and commercial buildings, service industries, industry and agriculture; building automation; e-mobility; telecommunications and multimedia services; emergency and standby services; and the sale of electrical materials (although the sales outlet is permanently closed, the range is still available on request). The company thus offers a wide range of electrical services and products to meet the needs of its customers in the areas of electrical installation, building automation and communication technology.

Electrical Planning & InstallationSolar & Photovoltaics
View profile5(7)
Frid. Schuler AG Logo

Frid. Schuler AG 

Wohlen Ag · Since 1984

The core activity of Frid. Schuler AG is the provision of services in the field of sanitary and heating installations, including repairs, renovations and new installations of heating and sanitary systems.

Solar & Photovoltaics
View profile5(7)
Future Power AG Logo

Future Power AG 

Seon · Since 2022

The core activity of Future Power AG is the planning, installation and maintenance of photovoltaic systems, battery storage systems, electromobility solutions and power grids. The company offers consulting and services for the implementation of sustainable energy projects.

Solar & Photovoltaics
View profile5(7)
Gemeindewerke Erstfeld Logo

Gemeindewerke Erstfeld 

Erstfeld · Since 2002

The company's core activity includes the supply of electricity, water and district heating, as well as the provision of services in the areas of electrical installation, solar energy, building automation and electromobility. The company also offers public lighting and smart-me services.

Energy SuppliersSolar & Photovoltaics
View profile4.4(7)
Germiquet & Habegger Photovoltaïque Sàrl Logo

Germiquet & Habegger Photovoltaïque Sàrl 

Reconvilier · Since 2024

Germiquet & Habegger Photovoltaïque Sàrl provides electrical installations, telematics services and turnkey photovoltaic systems. Services include site assessment and sizing, rooftop installation, grid connection handling and ongoing maintenance.

Solar & Photovoltaics
View profile4.7(7)
Graf Rymann Gebäudetechnik AG Logo

Graf Rymann Gebäudetechnik AG 

Würenlingen · Since 2018

The core activity of Graf Rymann Gebäudetechnik AG encompasses the planning, realization, and maintenance of building technology systems, particularly: sanitary installations, heating systems, ventilation systems, and solar systems. The company offers these services for new buildings, renovations, and conversions of buildings, positioning itself as a comprehensive service provider in the field of building technology.

Solar & Photovoltaics
View profile4.3(7)
Grevire Solutions Solaires Sàrl Logo

Grevire Solutions Solaires Sàrl 

Charmey (Gruyère) · Since 2023

Grevire Solutions Solaires Sàrl installs and services photovoltaic systems and related components such as battery storage, electric vehicle charging stations and backup systems. Services include site assessment, technical planning, installation, commissioning, expansion of existing systems and after‑sales maintenance with official checks and technical documentation.

Solar & Photovoltaics
View profile5(7)
Hans Imwinkelried und Söhne AG Logo

Hans Imwinkelried und Söhne AG 

Bitsch · Since 1988

The core activity of Imwinkelried Söhne AG is the planning, execution and installation of building technology systems, including: plant construction (water supply systems, pressure boosting systems, water treatment systems, irrigation systems, soil pipes, compressed air systems), heating systems (heat pumps, solar energy systems, heat recovery systems, oil, gas and wood-fired systems), sanitary installations (planning and execution, appliances and fittings, cold and hot water) and comfort ventilation. The company thus offers comprehensive services in the field of building technology.

Solar & Photovoltaics
View profile5(7)
HYDROTECH SERVICE SAGL Logo

HYDROTECH SERVICE SAGL 

Locarno · Since 2012

HYDROTECH SERVICE SAGL provides design, installation and modernization of sanitary systems, installs heating systems including boilers, heat pumps and solar solutions, and designs irrigation systems. The company also offers repair and maintenance services and annual maintenance plans for irrigation systems.

Solar & Photovoltaics
View profile4.6(7)
IBW Installationen AG Logo

IBW Installationen AG 

Wohlen Ag · Since 1977

IBW Installationen AG provides photovoltaic systems, smart‑home solutions, e‑mobility charging and electrical installation and maintenance services.

Solar & Photovoltaics
View profile4.4(7)
inElettra SA Logo

inElettra SA 

Locarno · Since 2000

The core activity of inElettra SA consists of planning, installing, maintaining and repairing electrical, telematic and IT systems, as well as providing services in the field of electrical engineering, including: installation of electrical, telephone and IT systems; repair and maintenance services; sale of electrical materials, lamps, devices and electrical appliances; provision of safety checks and consulting; measurement and calculation services in the field of electrical engineering; and rental of electrical equipment and materials. The company offers its services for various types of buildings and facilities, including residential buildings, commercial buildings, industrial plants, schools, hospitals and others.

Solar & Photovoltaics
View profile4.4(7)
John Heizung + Sanitär AG Logo

John Heizung + Sanitär AG 

Mels · Since 2007

The core activity of John Heizung + Sanitär AG consists of planning, coordinating, installing and repairing heating and sanitary systems, as well as planning and installing solar systems. This includes in particular: planning and installation of heating systems such as heat pumps, gas and oil heating systems; planning and coordination of complete sanitary systems for new and existing buildings, as well as renovations; design of bathrooms according to customer needs; installation and repair of sanitary systems; and planning and installation of solar systems for environmentally friendly energy generation.

Plumbing & Building ServicesSolar & Photovoltaics
View profile4.7(7)
köchli haustechnik ag Logo

köchli haustechnik ag 

Bern · Since 1998

The company's core activity is the provision of services in the field of building technology, particularly in the areas of plumbing, heating and service. The company offers specialized solutions for bathroom renovations, heating systems and solar systems, and has qualified personnel, including federally certified sanitary installers and sanitary masters.

Solar & Photovoltaics
View profile4.4(7)
Köhle Bedachungen AG Logo

Köhle Bedachungen AG 

Ilanz · Since 2008

The core activity of Köhle Bedachungen AG is the planning, execution and maintenance of building envelopes, in particular roofing work and roofing solutions, including pitched roofs, flat roofs, facades and sheet metal work, as well as the installation of photovoltaic systems.

Solar & Photovoltaics
View profile4.7(7)
MD-Plan GmbH Logo

MD-Plan GmbH 

Pfäffikon Zh · Since 2002

The core activity of MD-Plan GmbH is the planning and implementation of building technology, particularly in the areas of heating, sanitation and energy-efficient renovation. The company offers services such as consulting, planning and implementation of thermal solar systems, energy certificates and operating and investment cost reports.

Solar & Photovoltaics
View profile5(7)
THERMAG Wärmearchitekten GmbH Logo

THERMAG Wärmearchitekten GmbH 

Baar · Since 2013

THERMAG Wärmearchitekten GmbH provides consulting, planning and implementation of holistic heating concepts for single-family homes, with a focus on wood-based and solar thermal systems and stove construction. Services include stove construction, storage and combi-storage solutions, solar thermal systems, infrared heating and heat-distribution components including controls, delivered from design through installation.

Solar & Photovoltaics
View profile4.4(7)
Menzi Maschinenbau-Service GmbH Logo

Menzi Maschinenbau-Service GmbH 

Schmerikon · Since 2020

The company Menzi Maschinenbau-Service GmbH, also known as Menzi Technik, specializes in the development, manufacture, and installation of intelligent battery storage solutions for use in solar systems and energy management systems. The company's core activity includes planning, delivery, and installation of battery storage systems that are compatible with existing solar systems and home installations, as well as providing energy consulting and direct customer support.

Solar & Photovoltaics
View profile5(7)
Müggler AG Spenglerei-Sanitär Logo

Müggler AG Spenglerei-Sanitär 

Waldkirch · Since 1985

The core activity of Müggler AG is the provision of services in the field of sanitary and plumbing, particularly the planning, installation and maintenance of sanitary facilities as well as the execution of plumbing work.

Sheet Metal WorkSolar & Photovoltaics
View profile5(7)
MURARI E MURARI SA Logo

MURARI E MURARI SA 

Rancate · Since 2009

MURARI E MURARI SA provides services in plumbing, heating systems and renewable energies, including the supply and installation of sanitary fixtures, underfloor heating, boilers and solar thermal panels. The company also offers irrigation and ventilation systems, repair services and installation of special sanitary equipment for people with disabilities.

Solar & Photovoltaics
View profile4.4(7)
novagrid ag Logo

novagrid ag 

Baden · Since 2011

The core activity of Novagrid AG is the development and implementation of solutions for the optimal use of renewable energies, particularly in the field of photovoltaics and e-mobility. This includes monitoring and control of PV systems, energy management systems, charging solutions for electric vehicles, and the distribution of products and services in the field of renewable energies.

Solar & Photovoltaics
View profile3.9(7)
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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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