Photovoltaics in
St. Margrethen SG

6 companies in Photovoltaics based in St. Margrethen SG — name and year of registration from the commercial register. The list below shows them all.

Companies

All 6 companies in St. Margrethen SG

Elementkraft GmbH Logo

Elementkraft GmbH

Since 2015 · 1–10 empl.4.8(22)

Elementkraft GmbH plans and installs terraces, facades and privacy screens using WPC, Millboard and other materials. Its services also include garden design, doors and windows, solar systems, electrical installations, refurbishments and renovations.

PhotovoltaicsTerracesFacadesPrivacy screens
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #1
Delta Solar GmbH Logo

Delta Solar GmbH

Since 2000 · 1–10 empl.

Delta Solar GmbH develops and sells heating technology products, including floor-standing and electric water heaters, buffer tanks, combi tanks and stratified storage tanks. It also offers accessories and configurable storage tanks.

PhotovoltaicsStorage tanks and boilersCustom-made storage tanksAccessories
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
Dolder Wärmetechnik AG Logo

Dolder Wärmetechnik AG

Since 1995 · 1–10 empl.3.6(17)

Dolder Wärmetechnik AG develops and manufactures heat pumps and heat-recovery systems for exhaust air and wastewater. The company also plans, installs, maintains and repairs heating, ventilation, air-conditioning and cooling systems, including complete project solutions.

PhotovoltaicsHeat pump and heat recovery systemsPlanning and engineering of heating, ventilation, air-conditioning and refrigeration systemsDevelopment and production of heat pumps, controls and ventilation components
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #3
iconiQ Energy AG Logo

iconiQ Energy AG

Since 2024 · 1–10 empl.

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.

EngineerPhotovoltaic systemsHeat pumps
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #4
PJHSolar.Solutions Patricio Javier Helbok Logo

PJHSolar.Solutions Patricio Javier Helbok

Since 2023 · 1–10 empl.

The company's core activity consists of planning, implementing and maintaining photovoltaic systems for businesses (B2B) and private customers (B2C). This includes in particular: installation and inspection of photovoltaic systems, external project management and construction management, measurement and preliminary inspections, permit and planning procedures, commissioning and maintenance of systems. The company thus offers comprehensive services in the field of renewable energies, especially photovoltaics.

Photovoltaics
No score yet
S3

Solar 365 AG

Since 2024 · 1–10 empl.

Photovoltaics
No score yet

Photovoltaics in St. Margrethen SG

6PhotovoltaicsCommercial register (Zefix) · as of November 7, 2026
2023Median year of registrationCommercial register (Zefix) · as of November 7, 2026
300in the Canton of St. GallenCommercial 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