Photovoltaics in
Frauenfeld

15 companies in 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

alsol ag Logo

alsol ag

Since 1999 · 21–50 empl.5.0(10)

alsol ag plans, installs and maintains solar energy systems. Its services also include battery storage, electric vehicle charging stations and intelligent energy management, from consultation and planning through commissioning and ongoing maintenance.

PhotovoltaicsSolar systemsEnergy storage systemEV charging stations
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #1
Habersaat AG Logo

Habersaat AG

Since 1966 · 21–50 empl.4.4(17)

Habersaat AG provides electrical installation and engineering services. Its activities include planning and consulting, lighting and building technology, photovoltaics, electric mobility, telecommunications and network solutions, as well as the sale of electrical accessories.

PhotovoltaicsElectrical installationsPhotovoltaics / solar systemsE-mobility
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)

RG Energietechnik GmbH plans and installs photovoltaic systems for residential and commercial customers. The company advises on battery storage and self-consumption, assists with permits and funding applications, and provides maintenance and electric vehicle charging solutions.

PhotovoltaicsPhotovoltaic systemsEnergy storageEV charging stations
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #3
Plica AG Logo

Plica AG

Since 2008 · 21–50 empl.4.3(3)

Plica AG supplies system components and products for electrical engineering and industrial applications. Its range includes flexible metal and plastic conduits for cable protection, cable glands, installation and fastening materials, tools, and products for photovoltaics, e-mobility and security technology.

PhotovoltaicsSolar & PhotovoltaicsMounting hardwareSolar and earthing cables
ranQ Trust Score 4.3 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.

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.4.7(13)

Leutenegger Elektro & Gebäudeautomation GmbH plans and carries out electrical installations for residential and business customers. Its services include building automation and smart-home systems, photovoltaic installations, multimedia solutions, and maintenance and repair work.

ElectricianElectrical installationBuilding automation - Smart HomePhotovoltaic systems
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
sunig GmbH Logo

sunig GmbH

Since 2022 · 1–10 empl.

sunig GmbH plans and installs photovoltaic systems for homes, agricultural properties and businesses, with options ranging from customer-assisted construction to turnkey projects. Its services also include battery storage, energy management, building automation, ZEV and LEG solutions, maintenance and solar courses.

PhotovoltaicsPhotovoltaic systemsBattery storageEnergy management & building automation
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #7
Klarsicht Kienast GmbH Logo

Klarsicht Kienast GmbH

Since 2026 · 1–10 empl.5.0(11)

Klarsicht Kienast GmbH offers window cleaning, blinds cleaning, and photovoltaic cleaning. The company cleans glass surfaces, window frames, and slats, as well as solar installations for private and business customers.

Other servicesWindow CleaningBlind CleaningPhotovoltaic Cleaning
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #8
visaVento Solar AG Logo

visaVento Solar AG

Since 2023 · 1–10 empl.2.3(3)

visaVento Solar AG develops and delivers renewable energy projects, including solar parks, agrivoltaic systems, industrial rooftop installations and solar carports. Its activities also include wind and hybrid energy systems, with services spanning project planning, installation, commissioning and maintenance.

PhotovoltaicsConsultingProject developmentProcurement
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #9
SW

Stephan Wyss AG

Since 2000 · 1–10 empl.

Building installation
No score yet
RS

riesen.energy Solar

Since 2024 · 1–10 empl.

Photovoltaics
No score yet
TA

tecteam AG

Since 2024 · 1–10 empl.

Photovoltaics
No score yet

Photovoltaics in Frauenfeld

15PhotovoltaicsCommercial register (Zefix) · as of November 7, 2026
2022Median year of registrationCommercial register (Zefix) · as of November 7, 2026
187in the Canton of ThurgauCommercial register (Zefix) · as of November 7, 2026
4,040in SwitzerlandCommercial register (Zefix) · as of November 7, 2026
Locations

Photovoltaics in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 7, 2026