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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,173 companies indexed · Last updated: today
DirectoryEnergy & Environment

Energy & Environment

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IndustryEnergy & Environment
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Matching companies

9'016 companies found

Solar Energy Plus SA Logo

Solar Energy Plus SA 

Bussigny · Since 2024

Solar Energy Plus SA designs, installs and maintains custom solar energy systems, with services including photovoltaic installations, photovoltaic façades, battery storage and charging stations.

Solar & Photovoltaics
View profile4.7(3)
SOLAR PLUS SERVICES SARL Logo

SOLAR PLUS SERVICES SARL 

Corcelles Ne · Since 2026

The core activity of SOLAR PLUS CONSULTING is consulting and planning of solar systems and renewable energy systems.

Solar & Photovoltaics
View profile5(3)
Solarpower Care AG Logo

Solarpower Care AG 

Oberuzwil · Since 2024

The core activity of Solarpower Care AG is the professional cleaning of solar systems and photovoltaic systems to optimize energy efficiency and production. This also includes additional services such as consulting, planning, repair, service, monitoring and the use of cleaning robots.

Solar & Photovoltaics
View profile5(3)
Solar-Werkstatt AG Logo

Solar-Werkstatt AG 

Affoltern Am Albis · Since 2014

The core activity of Solar-Werkstatt AG is the planning, installation and maintenance of photovoltaic systems, power storage systems and solar island systems. The company offers all services for photovoltaic projects from a single source, including preliminary design, design, tendering, execution, commissioning and yield monitoring. It specializes in grid-connected photovoltaic systems, solar power storage and self-consumption optimization.

Solar & Photovoltaics
View profile5(3)
Solektra AG Logo

Solektra AG 

Lucerne · Since 2009

The core activity of Solektra AG is the planning, construction and maintenance of photovoltaic systems for the production of solar power. The company offers services such as consulting, installation and maintenance of solar systems to support private individuals and companies in producing their own electricity and thus contributing to the energy transition.

Solar & Photovoltaics
View profile5(3)
SoloSolar GmbH Logo

SoloSolar GmbH 

Wallisellen · Since 2008

The core activity of SoloSolar GmbH is the planning, consulting and installation of photovoltaic systems, including the delivery and installation of photovoltaic modules, inverters, storage solutions and mounting systems. The company also provides services such as project development, administrative support and consulting to support customers in the implementation of solar projects.

Solar & Photovoltaics
View profile5(3)
solplan ag Logo

solplan ag 

Mels · Since 2012

Solar & Photovoltaics
View profile4(3)
Sopra Solarpraxis AG Logo

Sopra Solarpraxis AG 

Ormalingen · Since 1954

The core activity of sopra Solarpraxis AG is the planning, installation and distribution of solar systems, in particular photovoltaic systems, as well as heating technology, including heat pumps, wood heating systems and oven construction. In addition, the company also offers absorption technology and drone technology.

Solar & Photovoltaics
View profile4.7(3)
Sotesy AG Logo

Sotesy AG 

Bubikon · Since 2023

Sotesy AG is a provider of environmentally friendly energy solutions, particularly in the field of renewable energies. The company's core activity includes planning, installation and maintenance of photovoltaic systems, heat pumps and radiant ceiling systems for private and commercial customers. The goal is to support customers in switching to regenerative energies and help them increase their independence from fossil fuels.

Solar & Photovoltaics
View profile5(3)
SunTechnics Fabrisolar AG Logo

SunTechnics Fabrisolar AG 

Gland · Since 2006

SunTechnics Fabrisolar AG designs, installs and maintains photovoltaic systems and turnkey solar solutions for commercial and private clients. Its services include feasibility studies, planning and engineering, construction, maintenance and cleaning, and coordination with component partners.

Solar & Photovoltaics
View profile5(3)
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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.