Solar & Photovoltaics in Solothurn

Companies

All 13 companies in Solothurn

Saudan Immo AG

Since 2007

Sheet-metal work & flat roofingBathroom renovationHeating replacement & heat pump

View profile4.3(27)

Genossenschaft OPTIMA-SOLAR Solothurn

Since 2011

Photovoltaic systems on roofsProvide roof spaceSolar power for municipalities

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Fankhauser Solar AG

Since 2014

Photovoltaic wholesaleConsultingPlanning & design

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SGT Energie AG

Since 2021

Building services planningHVACSE designEnergy consulting

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Y-SOLAR Analytics GmbH

Since 2022

Analysis / AdvisoryZEV SystemsMonitoring

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Solstis Energy AG

Since 2023

Solar power systemHome EnergyCommercial Energy

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PrimoSolar GmbH

Since 2024

Photovoltaic systemsBattery storage solutionsZEV installations

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Nodera AG

Since 2025

Solar system saleTemporary supportSolar system opportunity

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SOLEIS AG

Since 2011

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HM

H. Metzner, Solarenergie-Technik

Since 1993

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HS

Helvetia Solar AG

Since 2010

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NG

Novasuntech GmbH

Since 2025

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RT

Riggenbach Technologies

Since 2025

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Solar & Photovoltaics in Solothurn

13Solar & PhotovoltaicsCommercial register (Zefix) · as of August 25, 2026

2021Median year of registrationCommercial register (Zefix) · as of August 25, 2026

96in the Canton of SolothurnCommercial 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

Deitingen6 Olten5 Lohn-Ammannsegg5

Place axis

Other industries in Solothurn

All companies in Solothurn

Management Consulting62 Restaurants62 IT Consulting & Services57 Holding Companies55 Property Management52 Architecture Firms48 Fiduciary Offices45 Real Estate Project Development43 Advertising Agencies39 Hair Salons37 Software Development36 Coaching & Personal Development35 Real Estate Brokerage27 Beauty Salons26 Recruitment & HR Consulting24 Continuing Education Institutes22 Retail - Textiles & Clothing20 Technical Consulting & Engineering19 Cultural & Educational Organizations19 Naturopathic Clinics18 NGOs & NPOs17 Clubs, Bars & Event Venues17 Psychiatry & Psychotherapy16 Retail - General Specialty Trade16 Food Processing15 Catering15 Sports & Recreation Instruction14 Physiotherapy14 Other Service Industries13 Pension Funds13 Painting & Plastering12 Non-Medical Healthcare Professions12 Medical Technology Industry12 Retail - Bicycles & Sports Equipment12 Plumbing & Building Services11 Trade Fair & Event Organizers10 Wellness & SPA Facilities10 IT Infrastructure & Cloud10 Publishing10 Retail - Food & Luxury Items10 Institutions for People with Disabilities10 Hotels10 Film & TV Production9 Civil Engineering Firms9 Flooring & Tiling9 General Practitioner Clinics9 Public Relations Consulting9 Web Portals & Platform Companies9

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Solar & Photovoltaics inSolothurn

All 13 companies in Solothurn

Solar & Photovoltaics in the region

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Solothurn