Solar & Photovoltaics in the
Canton of Fribourg

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

Companies

50 of 125 companies

Crottet AG

Since 1969

Electrical installationsPhotovoltaicsSwitchgear

View profile3.6(5)

Hertli & Bertschy AG, elektrische Anlagen

Since 1971

SolarE-mobilityBuilding automation

View profile5(3)

CUONY, DAFFLON S.A.

Since 1972

Sanitary installationsWater supplyHeating

View profile4.5(8)

ackermann AG

Since 1975

Building envelopeBuilding servicesSolar system

View profile4.5(19)

Millasson Electricité SA - MESA

Since 1977

Electrical installationsPhotovoltaicsHome automation and multimedia

View profile4.7(14)

Hyko AG

Since 1980

Heating installationsHeating service and repairsPlumbing installations

View profile3.8(4)

F. BOVEY SA

Since 1991

Sanitary installationsHeatingVentilation

View profile4.3(6)

Swiss Energy Solar SA

Since 1992

Solar modulesSolar module technologiesProject references

View profile5(1)

NET Nowak Energie & Technologie AG

Since 1997

Advisory services and expert assessmentsPotential and market studiesResearch and development

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H&M Dorthe Sàrl

Since 1998

RoofingSheet metal workHeating

View profile4.9(8)

WINKELMANN ELEKTRO AG

Since 1999

Photovoltaic systemsElectrical installationsBuilding automation

View profile5(6)

Olivier Joye Sàrl

Since 1999

Installation and maintenance of PV systemsBurner maintenance and servicingHeating service and maintenance

View profile5(5)

Fahrni & Haymoz GmbH

Since 2000

Timber framingInterior fit-outRoofing and sheet metal work

View profile5(2)

C. Savary Sàrl

Since 2001

Solar installations

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Braas Schweiz AG

Since 2004

Pitched roof systemsFlat roof waterproofingAdvice and planning support

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Sanitär und Heizungen Neuhaus GmbH

Since 2005

Solar technologyHeating systemsSanitary installations

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Groupe E Greenwatt SA

Since 2007

PhotovoltaicsWind powerEnergy efficiency

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SOLAR PROJECT Sàrl

Since 2008

Solar installationSolar batteryCharging station

View profile5(2)

Dimension Solaire Sàrl

Since 2008

Photovoltaic and solar thermal solutionsComprehensive energy consultingInsulation - Sheet metal work - Roofing

View profile3.7(15)

Eco Energie Sàrl

Since 2008

Heat pumpSolar panelsMaintenance and support

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Econerg Sàrl

Since 2008

Electrical installationsPhotovoltaicsEnergy renovation

View profile4.2(18)

Soleol SA

Since 2009

Photovoltaic roof contractingPhotovoltaic installationsEnergy studies and consulting

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Swiss-Green Engineering Sàrl

Since 2009

Solar storageGrid-connected solarOff-grid autonomy

View profile3.5(48)

SCHWEIZER SOLAIRE Sàrl

Since 2010

PhotovoltaicsRoofingTimber framing

View profile3.9(7)

ABC Solar Sàrl

Since 2011

PhotovoltaicsSelf-consumptionFeasibility study and diagnostics

View profile4.1(15)

Frienergie Sàrl

Since 2011

SolarHeatingPlumbing

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Bächler Energie AG

Since 2012

District Heating Rechthalten

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TECHNOSOLAR SA

Since 2012

Photovoltaic equipment

View profile5(4)

HLV Energie Sàrl

Since 2013

Heat pumpsSolar photovoltaic and thermal panelsHeating and plumbing installations

View profile5(9)

Solarex Sàrl

Since 2014

Photovoltaic installationsSolar batteriesSolar surplus management

View profile4.5(8)

Planair SA

Since 2015

Sustainable buildingsEfficient industriesResilient territories

View profile5(1)

CommTech CTS SA

Since 2015

Energy optimisationMCR regulationPV self-consumption

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Christophe Etienne Chauffage - Sanitaire

Since 2016

Heating installationsSanitary installationsSolar thermal installations

View profile4(1)

Chaleur Solaire Guy Dafflon

Since 2016

Turnkey solar thermal installations

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fehr elektro gmbh

Since 2016

Electrical installationsConsulting & planningService & repairs

View profile5(5)

Cuennet Electricité et Associés SA

Since 2016

Photovoltaic installationGeneral electrical installations

View profile4.3(16)

Soleol Invest Sàrl

Since 2017

Photovoltaic roof contractingClean investmentMaintenance of photovoltaic installations

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Team Electro Sàrl

Since 2017

Electrical InstallationOIBT inspectionProject & Planning

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Soleol Power SA

Since 2017

Photovoltaic contracting – roof leasingPhotovoltaic systemsMaintenance of photovoltaic systems

View profile4.2(40)

Sallin AG

Since 2018

PlanningInstallationMaintenance

View profile4.4(5)

VENETZ ENERGY Sàrl

Since 2018

Photovoltaic installationsPhotovoltaic engineering office

View profile5(8)

Helvetiqua SA

Since 2019

Energy renovationInternal and external insulationHeat pumps

View profile4.7(56)

Fasel Energie AG

Since 2019

Solar energyDistrict heating

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Swiss-instasolar Sàrl

Since 2019

Installation of photovoltaic solar panelsMaintenance of solar installationsSolar quote calculation and advice

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Swissolaire sàrl

Since 2020

Customized photovoltaic installationBattery storage systemMaintenance and service of solar installations

View profile4.9(18)

Sun4energy Heinz Streit GmbH

Since 2020

Photovoltaic systemsCarport systemsWind power systems

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eWorks Elektro AG

Since 2020

Electrical planning and consultingElectrical installationLighting

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Coopérative OPTIMA SOLAR Fribourg-Freiburg

Since 2022

Local solar electricityCo-operative participation via share certificatesConstruction and operation of photovoltaic installations

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Voltaïk Sàrl

Since 2022

Installation of photovoltaic panelsEnergy auditMaintenance and monitoring

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Roth Elektro Kerzers AG

Since 2022

PhotovoltaicsInstallationTelematics

View profile4.9(10)

Show 38 more companies

Solar & Photovoltaics in the Canton of Fribourg

125Solar & PhotovoltaicsCommercial register (Zefix) · as of August 26, 2026

2020Median year of registrationCommercial register (Zefix) · as of August 26, 2026

125in the Canton of FribourgCommercial register (Zefix) · as of August 26, 2026

3,202in SwitzerlandCommercial register (Zefix) · as of August 26, 2026

Locations

Solar & Photovoltaics in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of August 26, 2026

Largest places

Fribourg9 Marly7 Estavayer-Le-Lac7 Bulle6

Place axis

Other industries in the Canton of Fribourg

All companies in the Canton of Fribourg

Real Estate Project Development1,285 Restaurants754 Holding Companies650 Property Management560 Food Processing468 Real Estate Brokerage463 IT Consulting & Services456 Management Consulting430 Automotive & Vehicle Trade416 Auto Repair Shops409 Fiduciary Offices389 Painting & Plastering378 Technical Consulting & Engineering356 General Contractors331 Architecture Firms317 Plumbing & Building Services288 Advertising Agencies288 Hair Salons266 Facility Management & Cleaning248 Logistics & Transport Companies240 Software Development234 Coaching & Personal Development224 Horticulture & Landscaping218 Online Shops214 Joinery213 NGOs & NPOs205 Flooring & Tiling192 Retail - Food & Luxury Items190 Timber Construction & Carpentry182 Interior Construction163 Metal Construction163 Hotels156 Electrical Planning & Installation153 Wellness & SPA Facilities148 Building Maintenance147 Other Service Industries143 Repair of Machinery & Electronic Devices143 Wholesale - Machinery & Technical Equipment137 Continuing Education Institutes133 Sports & Recreation Instruction131 Mechanical Engineering Industry130 Specialized Construction Installations129 Retail - Textiles & Clothing129 Beauty Salons119 Wholesale - Food & Luxury Items119 Trade Fair & Event Organizers118 Physiotherapy112 Specialized Construction Activities107

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Solar & Photovoltaics in theCanton of Fribourg

50 of 125 companies

Solar & Photovoltaics in the region

Solar & Photovoltaics in other places

Other industries in the Canton of Fribourg

Solar & Photovoltaics in the
Canton of Fribourg