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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,219 companies indexed · Last updated: today
DirectoryEnergy & Environment

Energy & Environment

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IndustryEnergy & Environment
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9'014 companies found

SolisTec AG Logo

SolisTec AG 

Steinen · Since 2023

The core activity of SolisTec AG is the planning, installation and maintenance of photovoltaic systems, as well as the provision of storage solutions and e-mobility infrastructure. The company offers customized photovoltaic projects to help customers harness the full potential of solar energy and contribute to a sustainable future.

Solar & Photovoltaics
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Solarkraft Energie AG Logo

Solarkraft Energie AG 

Neudorf · Since 2024

Solarkraft Energie AG provides planning, installation and maintenance of photovoltaic systems for private homes, businesses and industry, and offers services such as contracting, roof leasing and project pre-financing. The company also operates a solar marketplace that connects system owners and investors and offers investment opportunities in solar and hydropower projects.

Energy SuppliersSolar & Photovoltaics
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Solnur GmbH Logo

Solnur GmbH 

Lucerne · Since 2024

Solnur GmbH arranges teams of professional installers for solar-panel installation. The company organises mounting services including substructure installation, string routing, module mounting, DC installation up to the inverter, and initial inspections.

Electrical Planning & InstallationSolar & Photovoltaics
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Solnow AG Logo

Solnow AG 

Zillis · Since 2024

Solnow AG offers an in-roof solar system for standard photovoltaic modules designed for integration into tiled roofs. The system’s prefabricated components are delivered ready for installation, enabling use on new and existing roofs with distribution directly or via regional installers.

Electrical Planning & InstallationSolar & Photovoltaics
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Solör Bioenergi AG Logo

Solör Bioenergi AG 

Zurich · Since 2014

The core activity of Solör Bioenergy Group is the production and distribution of renewable energy, specifically: production and distribution of district heating, steam and electricity for households, businesses and industries; energy recovery from impregnated wood; production of biofuels in the form of pellets and briquettes; and development of sustainable solutions for water systems. The company focuses on the use of wood as a renewable resource and offers solutions for energy supply and water management.

Sustainability Sector
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iconiQ Energy AG Logo

iconiQ Energy AG 

St. Margrethen Sg · Since 2024

iconiQ Energy AG provides planning, consulting, installation and maintenance of renewable energy systems, notably photovoltaic systems, battery storage, heat pumps and climate control solutions. The company delivers tailored solutions for residential, commercial and industrial clients and can integrate e-mobility charging and combined multi-energy systems.

Technical Consulting & EngineeringElectrical Planning & InstallationSolar & Photovoltaics
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solrex ag Logo

solrex ag 

Gümligen · Since 2024

solrex ag designs, installs and maintains customised solar energy systems, integrating photovoltaics, storage solutions, electric mobility and heat pump technology.

Electrical Planning & InstallationSolar & Photovoltaics
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Solstar Energy Sàrl Logo

Solstar Energy Sàrl 

Vétroz · Since 2023

The core activity of Solstar Energy is the planning, installation and maintenance of photovoltaic systems for private and commercial customers. The company offers comprehensive services, including the analysis of the potential of roofs and facades, the installation of solar modules, commissioning and electrical safety testing (Contrôle OIBT), as well as monitoring and maintenance of the systems.

Solar & Photovoltaics
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Soltracting AG Logo

Soltracting AG 

Sempach · Since 2011

The core activity of Soltracting AG is the rental of roof surfaces for the installation of photovoltaic systems.

Solar & Photovoltaics
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solwa GmbH Logo

solwa GmbH 

Pratteln · Since 2004

Solar & Photovoltaics
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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.