Solar & Photovoltaics in
Frauenfeld

15 companies in Solar & Photovoltaics based in Frauenfeld — name and year of registration from the commercial register. The list below shows them all.

Companies

All 15 companies in Frauenfeld

Habersaat AG Logo

Habersaat AG

Since 1966 · 21–50 empl.4.6(16)

The core activity of Habersaat AG includes the planning, consulting, installation and maintenance of electrical systems and installations, including: electrical installations, lighting technology, e-mobility, photovoltaics and solar systems, building cabling, fiber optic and glass fiber technology, satellite systems, video and intercom systems, and device testing. In addition, the company also offers services in the fields of telecommunications, hardware and software, network and infrastructure, cloud and server hosting, as well as WLAN solutions. Furthermore, Habersaat AG also provides security technology, smart home solutions, building automation and audio systems. The company also offers a 24-hour service and comprehensive consulting and planning for its customers.

Solar & PhotovoltaicsElectrical installationsPhotovoltaics / solar systemsE-mobility
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #1
alsol ag Logo

alsol ag

Since 1999 · 21–50 empl.5.0(9)

The core activity of the company "alsol ag alternative energiesysteme" is the planning, installation and maintenance of solar power systems, including the construction of solar installations on roofs and facades, as well as the provision of related services such as consulting, planning and service contracts.

Solar & PhotovoltaicsSolar systemsEnergy storage systemEV charging stations
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #2
RG Energietechnik GmbH Logo

RG Energietechnik GmbH

Since 2008 · 11–20 empl.4.6(20)

The core activity of RG Energietechnik GmbH is the planning, manufacturing and installation of individually tailored energy solutions, particularly photovoltaic systems, energy storage systems and charging stations, for private, commercial and public customers.

Solar & PhotovoltaicsPhotovoltaic systemsEnergy storageEV charging stations
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #3
Plica AG Logo

Plica AG

Since 2008 · 21–50 empl.4.3(3)

Plica AG is a provider of products and solutions for the areas of cable and line management, tools, lighting, safety technology and e-mobility. The company's core activity is the development, manufacture and distribution of products such as cable protection and accessories, cable ties and quick connectors, heat and protective hoses, crimp terminals and ferrules, industrial labeling, tools, lighting, safety technology and e-mobility solutions. The company also offers services such as consulting, training and support.

Solar & PhotovoltaicsSolar & PhotovoltaicsMounting hardwareSolar and earthing cables
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #4
Ellenbroek Hugentobler AG Logo

Ellenbroek Hugentobler AG

Since 1975 · 21–50 empl.4.8(10)

Ellenbroek Hugentobler AG is an electrical engineering company offering services such as electrical installations, network construction, telematics, building services, photovoltaics, e‑mobility and service/maintenance. The company also provides planning, consulting and control/security solutions and is part of the Baumann Koelliker Gruppe.

Solar & PhotovoltaicsPhotovoltaicsElectrical installationsPlanning & consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
Leutenegger Elektro & Gebäudeautomation GmbH Logo

Leutenegger Elektro & Gebäudeautomation GmbH

Since 2021 · 1–10 empl.4.4(13)

The core activity of Leutenegger-Elektro & Gebäudeautomation GmbH is the provision of electrical services and building automation, including the planning, installation and maintenance of electrical systems, PV systems and building automation systems.

Electrical Planning & InstallationElectrical installationBuilding automation - Smart HomePhotovoltaic systems
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #6
sunig GmbH Logo

sunig GmbH

Since 2022 · 1–10 empl.

The core activity of sunig GmbH is the planning, consulting and support of private individuals and companies in the construction of solar systems in self-construction. To this end, the company also offers courses and workshops to provide customers with the necessary know-how. Additionally, sunig supplies the necessary materials and tools for the construction of solar systems.

Solar & PhotovoltaicsPhotovoltaic systemsBattery storageEnergy management & building automation
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #7
visaVento Solar AG Logo

visaVento Solar AG

Since 2023 · 1–10 empl.2.3(3)

visaVento Solar AG is a company specialised in the development, construction and operation of wind and photovoltaic power plants. Its services cover consulting, project development, procurement, installation, commissioning and operations & maintenance, and it develops wind, PV and hybrid projects with a focus on Eastern Europe (notably Poland) and broader European markets.

Solar & PhotovoltaicsConsultingProject developmentProcurement
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #8
Klarsicht Kienast GmbH Logo

Klarsicht Kienast GmbH

1–10 empl.

Klarsicht Kienast GmbH provides window cleaning, blind cleaning and photovoltaic cleaning services. The company cleans glass surfaces, window frames, slats and solar panels for private and business customers.

Other Service IndustriesWindow CleaningBlind CleaningPhotovoltaic Cleaning
No score yet
SW

Stephan Wyss AG

Since 2000 · 1–10 empl.

Specialized Construction Installations
No score yet
RS

riesen.energy Solar

Since 2024 · 1–10 empl.

Solar & Photovoltaics
No score yet
TA

tecteam AG

Since 2024 · 1–10 empl.

Solar & Photovoltaics
No score yet

Solar & Photovoltaics in Frauenfeld

15Solar & PhotovoltaicsCommercial register (Zefix) · as of October 10, 2026
2022Median year of registrationCommercial register (Zefix) · as of October 10, 2026
186in the Canton of ThurgauCommercial register (Zefix) · as of October 10, 2026
4,041in SwitzerlandCommercial register (Zefix) · as of October 10, 2026
Locations

Solar & Photovoltaics in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 10, 2026