Photovoltaics in
Gams

5 companies in Photovoltaics based in Gams — name and year of registration from the commercial register. The list below shows them all.

Companies

All 5 companies in Gams

Heizplan HPA AG Logo

Heizplan HPA AG

Since 1983 · 11–20 empl.5.0(24)

Heizplan HPA AG provides planning, supply, installation and maintenance services for photovoltaic systems, battery storage, charging stations and heat pumps, and assists with permitting and funding applications.

PhotovoltaicsPhotovoltaic systemsHeat pumpsBattery storage systems
ranQ Trust Score 4.6 out of 5.0, rated Excellent, Rank #1
Dürr Haustechnik AG Logo

Dürr Haustechnik AG

Since 1971 · 1–10 empl.4.8(8)

The core activity of Dürr Haustechnik AG is the provision of services in the field of building technology, particularly in the following areas: sheet metal work, lightning protection, flat roofs, sanitary facilities, service, heating, and solar systems. The company thus offers a wide range of services focused on the installation, maintenance, and repair of building technology systems and installations.

RooferHeatingPlumbingSheet metal works
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #2
Supersolar Wilhelm Logo

Supersolar Wilhelm

Since 2022 · 1–10 empl.4.7(32)

Supersolar Wilhelm sells solar products and provides solar solutions for balconies, buildings, off-grid sites and campers. Its range includes solar panels, plug-in solar systems, complete systems, storage products and accessories, as well as advice and installation services.

PhotovoltaicsBalcony power systemsPV complete systemsSolar storage
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
Josef Egger individuell Heizen Logo

Josef Egger individuell Heizen

Since 1993 · 1–10 empl.

Josef Egger individuell Heizen offers wall-heating and pellet-heating solutions. Its pellet systems range from stoves to fully automated central heating systems.

PhotovoltaicsPellet heating systemsWall heating
No score yet
IA

Immo2er AG

Since 2015 · 1–10 empl.

Construction manager
No score yet

Photovoltaics in Gams

5PhotovoltaicsCommercial register (Zefix) · as of November 6, 2026
1993Median year of registrationCommercial register (Zefix) · as of November 6, 2026
300in the Canton of St. GallenCommercial register (Zefix) · as of November 6, 2026
4,043in SwitzerlandCommercial register (Zefix) · as of November 6, 2026
Locations

Photovoltaics in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 6, 2026