Solar & Photovoltaics in Winterthur

Companies

All 24 companies in Winterthur

KMN Elektro-Ingenieurbüro AG

Since 1976

Electrical planning for high-voltage installationsElectrical planning for low-current systemsDesign of photovoltaic systems

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Heinz Schmid AG Elektro-Anlagen

Since 1980

PhotovoltaicsInstallationsRenovation

View profile4.7(26)

Ego Elektrikergenossenschaft

Since 1982

Photovoltaic systemsElectrical installationsBuilding automation

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arbatherm AG

Since 1987

HeatingSolarPlumbing

View profile4.3(4)

Genossenschaft "SolVent"

Since 1993

Advice and support for solar installationsLoans for solar installationsFinancing and operation of large solar installations

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Stähli Haustechnik AG

Since 1995

PlumbingHeatingVentilation

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Schwarzwälder AG

Since 1996

Pitched roofFlat roofSolar system

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Senero AG

Since 2005

Photovoltaic systemsStorage solutions (batteries)Off-grid solutions

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Fluxim AG

Since 2007

Simulation Software (Setfos)Upscaling Simulation Software (Laoss)Optoelectric Characterization (Paios)

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Elektro Bürgin AG

Since 2008

Electrical installationsSolar PV and charging stationsFault and customer service

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Genossenschaft Rysolar Plus

Since 2012

Solar installations at Kantonsschule RychenbergInformation work on renewable energy and photovoltaicsData retrieval and yield monitoring of the solar installation

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Isler + Kägi AG Bedachungen

Since 2016

Pitched roof renovationFlat roof renovationPhotovoltaic systems

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Genossenschaft Wintisolar

Since 2018

Photovoltaic consulting, planning and installationElectrical installationsPlanning, tendering and feasibility studies

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Märki Energie und Technik

Since 2019

ConsultingPlanningImplementation

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Ovenstone Engineering GmbH

Since 2019

Smart MeteringConsultingEngineering

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W. Rokitzky AG

Since 2023

Heating and coolingVentilation and air conditioningPlumbing

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Metesan GmbH

Since 2023

Solar photovoltaicsBattery storageCommercial power storage

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engitec AG

Since 2023

Photovoltaic systemsEnergy storage solutionsE-mobility

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E-Sol Energy Solutions Hugo Campos Fonseca

Since 2024

AdvisoryDesign and planningInstallation, mounting, commissioning, instruction

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Inmova AG

Since 2024

Electrical installations for caravansElectrical installations for shipsStand-alone solar solutions for remote island sites

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Sabtron Services GmbH

Since 2024

Photovoltaics & energy technologySecurity & building servicesCleaning & maintenance

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GROUPE CURIE - GEFARM AG

Since 2025

BESS technologiesIndustrial energy solutionsPower-to-X systems

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SN

SCHNELLI NAIKUNI ENERGY SYSTEMS

Since 2014

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GG

Gedaso GmbH

Since 2024

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Show 12 more companies

Solar & Photovoltaics in Winterthur

24Solar & PhotovoltaicsCommercial register (Zefix) · as of August 25, 2026

2016Median year of registrationCommercial register (Zefix) · as of August 25, 2026

405in the Canton of ZurichCommercial 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

Zurich74 Dübendorf10 Bülach10 Hinwil9 Uster8 Wallisellen8 Bauma7 Adliswil7 Rafz6 Regensdorf6

Place axis

Other industries in Winterthur

All companies in Winterthur

IT Consulting & Services246 Management Consulting226 Software Development203 Restaurants203 Coaching & Personal Development158 Technical Consulting & Engineering155 Architecture Firms154 Advertising Agencies134 Property Management125 Facility Management & Cleaning123 Fiduciary Offices121 Online Shops88 Hair Salons86 Continuing Education Institutes85 Painting & Plastering83 Auto Repair Shops79 NGOs & NPOs76 Real Estate Brokerage76 Beauty Salons74 Real Estate Project Development70 Holding Companies63 Automotive & Vehicle Trade63 Psychiatry & Psychotherapy60 Cultural & Educational Organizations58 Recruitment & HR Consulting56 Logistics & Transport Companies56 Flooring & Tiling54 Trade Fair & Event Organizers52 Sports & Recreation Instruction52 General Contractors51 Other Service Industries50 Construction & Project Management49 Film & TV Production48 Electrical Planning & Installation47 Plumbing & Building Services46 Retail - Textiles & Clothing46 Clubs, Bars & Event Venues46 Photography44 Wellness & SPA Facilities43 Horticulture & Landscaping42 Interior Construction42 Housing Cooperatives41 Textile & Clothing Industry40 Retail - General Specialty Trade40 Mechanical Engineering Industry39 Naturopathic Clinics38 Web Portals & Platform Companies38 Sealing & Insulation37

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Solar & Photovoltaics inWinterthur

All 24 companies in Winterthur

Solar & Photovoltaics in the region

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Winterthur