Solar & Photovoltaics in
Olten

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

Companies

All 5 companies in Olten

Markus Aregger Bedachungen und Spenglerei

Since 2011

Sheet metal workPitched roofsFlat roofs

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TRIENERGY Solutions AG

Since 2023

Mounting systemsPV storageSolar modules

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DD Solar GmbH

Since 2023

Solar systemsEnergy storageEV charging stations

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Konzept E AG

Since 2023

Solar PV potential analysis and feasibility conceptsPlanning and development of energy projectsAdvisory for self-consumption communities and local energy communities

SunTechnics Fabrisolar AG

Since 2024

Solar & Photovoltaics in Olten

5Solar & PhotovoltaicsCommercial register (Zefix) · as of August 26, 2026

2023Median year of registrationCommercial register (Zefix) · as of August 26, 2026

96in the Canton of SolothurnCommercial 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

Solothurn13 Deitingen6 Lohn-Ammannsegg5

Place axis

Other industries in Olten

All companies in Olten

Property Management67 Restaurants55 Holding Companies44 Management Consulting39 Technical Consulting & Engineering36 IT Consulting & Services35 Architecture Firms34 Software Development33 Fiduciary Offices31 Real Estate Brokerage29 Real Estate Project Development29 Advertising Agencies28 Coaching & Personal Development27 Hair Salons26 Recruitment & HR Consulting25 Retail - Textiles & Clothing21 Facility Management & Cleaning19 Online Shops18 General Contractors17 Beauty Salons17 Automotive & Vehicle Trade15 Continuing Education Institutes14 Painting & Plastering13 Other Service Industries12 Construction & Project Management12 Electrical Planning & Installation12 Financial Services12 Retail - Food & Luxury Items12 NGOs & NPOs11 Professional & Trade Associations11 Cultural & Educational Organizations11 Psychiatry & Psychotherapy11 Auto Repair Shops11 Clubs, Bars & Event Venues11 Trade Fair & Event Organizers10 Insurance Brokerage & Consulting10 Naturopathic Clinics10 Physiotherapy10 Civil Engineering Firms9 Interior Construction9 Housing Cooperatives9 Logistics & Transport Companies9 Pension Funds8 Printing Companies8 Catering8 Law Firms & Notary Offices7 Civil Engineering7 Flooring & Tiling7

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