Solar & Photovoltaics in
St. Gallen

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

Companies

All 29 companies in St. Gallen

Weibel AG Bedachungen Fassadenbau Logo

Weibel AG Bedachungen Fassadenbau

Since 1978

Flat roofPitched roofFacade
View profile5(1)
Grob AG Gebäudehüllen Logo

Grob AG Gebäudehüllen

Since 1992

Solar and photovoltaic systemsRoofing workSheet metal roofing and flashings
View profile5(2)
Zillig GmbH Logo

Zillig GmbH

Since 1993

Bathroom renovationsConsulting and planningRepairs
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St. Gallisch-Appenzellische Kraftwerke AG Logo

St. Gallisch-Appenzellische Kraftwerke AG

Since 2009

Electricity supplySolar photovoltaicsHeating solutions
View profile3.9(7)
SN Erneuerbare Energie AG Logo

SN Erneuerbare Energie AG

Since 2012

Electricity market monitorElectricity portfolio managementHKN portfolio management
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Genossenschaft Solar St.Gallen Logo

Genossenschaft Solar St.Gallen

Since 2012

Participation in photovoltaic installationsConstruction and operation of photovoltaic installationsSubscribing to and holding cooperative shares
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ibee swiss renewable energy investments GmbH Logo

ibee swiss renewable energy investments GmbH

Since 2014

Sustainability consulting for Swiss casinosPhotovoltaic consulting for casino resortsConsulting on green hospitality
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EOS Energy Solutions AG Logo

EOS Energy Solutions AG

Since 2015

Large-Scale Solar Thermal ProjectsSolar Thermal Energy for Industrial Processes (SHIP)Solar Thermal Air Conditioning (STAC)
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solarmotion ag Logo

solarmotion ag

Since 2015

Photovoltaic systemEnergy storage systemEnergy management
View profile4.3(15)
Eco SolarHome GmbH Logo

Eco SolarHome GmbH

Since 2021

Photovoltaic systemsSolar turnkey systems
View profile5(23)
Fortis Solar AG Logo

Fortis Solar AG

Since 2021

Project development & planningConstruction & executionContracting & financing
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eenfinity schweiz ag Logo

eenfinity schweiz ag

Since 2022

Specialist planning for renewable energy solutionsSolar systemsEnergy storage
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PV-Tec GmbH Logo

PV-Tec GmbH

Since 2022

Energy efficiency consultingPhotovoltaic systemsE-mobility
View profile5(3)
Fortis Tech AG Logo

Fortis Tech AG

Since 2023

Project development & planningConstruction & executionContracting & financing
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Lerm Solar AG Logo

Lerm Solar AG

Since 2024

Solar consultingSale of solar systemsSolar system design
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Solventure AG Logo

Solventure AG

Since 2008

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Vacalor Technology GmbH Logo

Vacalor Technology GmbH

Since 2018

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SA

swissenergie ag erneuerbare energien

Since 1979

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SI

SOC Invest AG

Since 2006

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SG

Sterona GmbH

Since 2009

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HI

HX Innovations GmbH

Since 2015

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IC

Inceptum Capital AG

Since 2018

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GA

green24 ag

Since 2018

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SU

Sonne und Strom, N. Weber

Since 2021

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GE

GN Energy GmbH

Since 2022

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KE

Klein Energie&Fenstertechnik GmbH

Since 2023

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KS

Klein Solar

Since 2024

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PA

PV-Clean AG

Since 2025

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HS

Halo Solar Arikan

Since 2026

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Solar & Photovoltaics in St. Gallen

29Solar & PhotovoltaicsCommercial register (Zefix) · as of September 27, 2026
2018Median year of registrationCommercial register (Zefix) · as of September 27, 2026
292in the Canton of St. GallenCommercial register (Zefix) · as of September 27, 2026
3,940in SwitzerlandCommercial register (Zefix) · as of September 27, 2026
Locations

Solar & Photovoltaics in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of September 27, 2026

Largest places

Buchs SG13Widnau9Rorschach9Jona9Diepoldsau7Flawil7Wil SG7St. Margrethen SG6Gossau SG6Niederuzwil6
Industry axis

Solar & Photovoltaics in other places

Solar & Photovoltaics across Switzerland
Buchs SG13Widnau9Rorschach9Jona9Diepoldsau7Flawil7Wil SG7St. Margrethen SG6Gossau SG6Niederuzwil6Balgach5Rebstein5Goldach5Gams5Schmerikon5

By canton

Canton of Zurich512Canton of Bern469Canton of Vaud310Canton of Aargau301Canton of St. Gallen292Canton of Lucerne225Canton of Thurgau182Canton of Ticino172Canton of Valais165Canton of Zug163Canton of Basel-Country158Canton of Fribourg146Canton of Grisons123Canton of Solothurn121Canton of Geneva116Canton of Schwyz116Canton of Neuchâtel74Canton of Appenzell Outer Rhodes41Canton of Jura36Canton of Nidwalden33Canton of Schaffhausen32Canton of Glarus27Canton of Obwalden25Canton of Appenzell Inner Rhodes13Canton of Uri13
Place axis

Other industries in St. Gallen

All companies in St. Gallen
Holding Companies446Management Consulting443Property Management419Restaurants353IT Consulting & Services303Real Estate Project Development272Software Development248Advertising Agencies223Fiduciary Offices208Real Estate Brokerage205Coaching & Personal Development160Architecture Firms158Facility Management & Cleaning144Technical Consulting & Engineering141Trade Fair & Event Organizers125Hair Salons116Online Shops108NGOs & NPOs105Wholesale - General Specialty Trade105Construction & Project Management93Continuing Education Institutes92Textile & Clothing Industry91Retail - Textiles & Clothing91Automotive & Vehicle Trade90Beauty Salons89Recruitment & HR Consulting86Auto Repair Shops86Other Service Industries85General Contractors81Painting & Plastering80Retail - Food & Luxury Items78Catering76Web Portals & Platform Companies75Building Maintenance74Financial Services72Plumbing & Building Services68Electrical Planning & Installation66Cultural & Educational Organizations61Retail - General Specialty Trade61Clubs, Bars & Event Venues59Logistics & Transport Companies59Research & Development58Administrative Services55Flooring & Tiling52Physiotherapy52Housing Cooperatives52Psychiatry & Psychotherapy51Law Firms & Notary Offices50