Solar & Photovoltaics in the
Canton of Valais

137 companies in Solar & Photovoltaics based in the Canton of Valais — name and year of registration from the commercial register.

Companies

50 of 137 companies

Sionic SA

Since 1966

PhotovoltaicsIntercom systemsEmergency and safety

View profile3(2)

Gebr. Zimmermann AG, Spenglerei und Installationen

Since 1969

Sanitary installationsHeating systemsRoofing

View profile5(2)

BAILLOD SA

Since 1981

Electrical installationsHome automationLarge household appliances

View profile4.7(19)

Somiral Energy Supplies SA

Since 1985

Solar energy engineering and EPC projectsElectromechanical engineering and EPC projectsAutomation projects

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Hans Imwinkelried und Söhne AG

Since 1988

HeatingPlumbingWater supply

View profile5(7)

Monnay Electricité SA

Since 1991

Renewable energiesGeneral electrical installationsLow-voltage and home automation

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Gebrüder Zuber AG

Since 1995

Sanitary installationsPitched and flat roof workSheet metal work

View profile5(5)

Albrecht Marco, Solar- und Wärmetechnik

Since 1996

Photovoltaic systemsSolar thermal systemsHeating system construction

View profile5(2)

CH1961 SA

Since 1996

Solar panelsHeating installationSanitary installation

View profile4.2(5)

TECSA, Techniques Energétiques et Consulting SA

Since 1998

HeatingSanitary installationsEnergy

View profile5(3)

Fournier, dépannage, électricité, électroménager

Since 2000

Website creationDigital solutions for businessesDigital solution for ski schools

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Valkontroll GmbH

Since 2000

PlanningAlterationsRepairs

View profile4.4(9)

Elektro-Lumen GmbH

Since 2002

Photovoltaic systemsElectrical installationsElectrical planning

View profile5(9)

Elektro Ruppen AG

Since 2003

Consulting and project planningElectrical installationsRenewable energy

View profile4(6)

Rhyner énergie Sàrl

Since 2003

Photovoltaic systemsThermal solar energyEnergy audits and CECB®

View profile5(3)

Elektro Sies GmbH

Since 2004

Planning / InstallationsSolarRepairs

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SETELEC SA

Since 2004

Photovoltaic InstallationsElectrical InstallationsElectric Mobility

View profile4.3(6)

Isotosi AG

Since 2006

InsulationWaterproofingRoofing

View profile4.4(19)

ENERGITECH Sàrl

Since 2007

Photovoltaik installationEnergy storage batteriesEV charging stations

View profile4.9(47)

Solalpes Energie SA

Since 2008

Photovoltaic installationsSolar self-consumptionMonitoring and maintenance of solar installations

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Oggier Haustechnik GmbH

Since 2008

Heating systemsAlternative energies / Solar systemsSanitary installations

View profile4.7(15)

Crettaz Electricité SA

Since 2009

Electrical design and installationsElectrical troubleshooting and maintenanceOIBT inspections

View profile5(4)

tritec AG

Since 2009

Photovoltaic solutionsSolar installationsStorage solutions

View profile1(1)

Solexis SA

Since 2010

PhotovoltaicsEngineering officeProject management

View profile4(2)

Zufferey Electricité SA

Since 2010

Electrical installationsPhotovoltaic systemsRemote control of heating

View profile4.5(13)

Esprit Energie Sàrl

Since 2010

Energy auditsCECB and Minergie dossiers and adviceTechnical building assessments

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Energie Solaire Illarsaz Sàrl

Since 2011

Photovoltaic installationsPhotovoltaic project studiesEV charging stations

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Solar Bellwald GmbH

Since 2012

Design, manufacturing and installation of balcony railings with integrated photovoltaicsPhotovoltaic system kit for balconyPhotovoltaic system kit for facade

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VS Solarstrom AG

Since 2012

PhotovoltaicsRoofingSheet metal work

View profile4.8(6)

Aquasolaire Sàrl

Since 2012

Solar thermal systemsSolar hot waterSolar hot water and solar heating

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Windhubel AG

Since 2013

Energy consulting for new buildsPhotovoltaic systems with battery storageClient representation for projects

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Evosun Sàrl

Since 2015

PhotovoltaicsElectrical workRoofing and sheet-metal work

View profile4.7(13)

Walker Solarstrom AG

Since 2015

Car and vehicle serviceCar sales and consultingAgricultural machinery and construction technology service

View profile4.8(55)

Zanella Energie GmbH

Since 2015

SawmillPlaning millReclaimed and antique timber

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Solair Sàrl

Since 2015

Telecom project managementFibre optic networksTelecom cable pulling

View profile5(1)

GC Energie SA

Since 2016

Photovoltaic installationEnergy study and subsidy application

View profile5(1)

tritec AG

Since 2016

PhotovoltaicsSolar systemsService

View profile1(1)

Baobab-Energy Sàrl

Since 2017

Photovoltaic system installationBattery storage systemCharging station for private users and PPE solution

View profile5(13)

Heidi Solar SA

Since 2017

Photovoltaic system installation

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Constantin Solar AG

Since 2017

Photovoltaic systemsProperty management

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i-watt Sàrl

Since 2018

Photovoltaic solar installationPhotovoltaic maintenance and troubleshootingCleaning of solar panels

View profile5(2)

Solar Services Hubert Pierre

Since 2018

Analysis and advicePV and solar thermal installationSolar system optimisation

View profile5(1)

ENERCO Sàrl

Since 2019

Photovoltaic installationsSelf-consumptionSolar carport

View profile5(1)

OIKEN SA

Since 2019

Solar photovoltaicsPhotovoltaicsSelf-consumption community

View profile2.8(53)

Coopérative Autovoltaic-VS

Since 2019

DIY photovoltaic systems

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Green Helvetia Sàrl

Since 2020

Solar panel solutionsSolar batteryHeat pump installation

View profile3.2(5)

ÉLECTRICITÉ PIERRE MICHEL DUAY SA

Since 2020

Project studyElectrical installationOIBT control

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SUNWELL Sàrl

Since 2020

Planning and dimensioning of alpine solar systemsYield modelling and energy potential analysisOptimisation of PV design and operating control

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Talimai Sàrl

Since 2020

Photovoltaic panelsTurnkey services for photovoltaic installations

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Smartsuna SA

Since 2020

Autarkic solar installationConsulting and sizing of solar installationsSolar installation for businesses

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Show 38 more companies

Solar & Photovoltaics in the Canton of Valais

137Solar & PhotovoltaicsCommercial register (Zefix) · as of August 25, 2026

2019Median year of registrationCommercial register (Zefix) · as of August 25, 2026

137in the Canton of ValaisCommercial register (Zefix) · as of August 25, 2026

3,199in SwitzerlandCommercial register (Zefix) · as of August 25, 2026

Locations

Solar & Photovoltaics in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of August 25, 2026

Largest places

Sion14 Martigny9 Sierre5 Saxon5

Place axis

Other industries in the Canton of Valais

All companies in the Canton of Valais

Real Estate Project Development2,045 Restaurants1,568 Property Management993 Real Estate Brokerage928 Holding Companies743 Hotels682 Management Consulting476 Auto Repair Shops476 Fiduciary Offices475 Architecture Firms472 IT Consulting & Services469 Painting & Plastering440 Automotive & Vehicle Trade422 Technical Consulting & Engineering405 Viticulture392 Plumbing & Building Services357 Logistics & Transport Companies355 Facility Management & Cleaning317 General Contractors307 Advertising Agencies297 Sports & Recreation Instruction275 Timber Construction & Carpentry272 Joinery272 Electrical Planning & Installation265 Hair Salons260 Horticulture & Landscaping242 Food Processing241 Interior Construction239 Retail - Bicycles & Sports Equipment237 Building Construction233 Software Development232 Flooring & Tiling228 Clubs, Bars & Event Venues215 Trade Fair & Event Organizers211 NGOs & NPOs205 Online Shops184 Retail - Food & Luxury Items182 Building Maintenance181 Holiday Apartments & Houses178 Metal Construction172 Cultural & Educational Organizations172 Other Service Industries170 Retail - Textiles & Clothing168 Coaching & Personal Development163 Interior Design & Furnishing151 Physiotherapy148 Civil Engineering146 Beverage Industry145

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Solar & Photovoltaics in theCanton of Valais

50 of 137 companies

Solar & Photovoltaics in the region

Solar & Photovoltaics in other places

Other industries in the Canton of Valais

Solar & Photovoltaics in the
Canton of Valais