Building Maintenance in
Olten

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

Companies

All 5 companies in Olten

Baugeschäft Arnold Wullschleger AG

Since 1966

Joinery work for conversions, renovations and new buildsInterior fit-outKitchen design and kitchen fabrication

View profile5(1)

Trocktech AG

Since 2008

Construction dryingWater damage remediationInsulation layer drying

View profile4.3(7)

Bachmann AG Olten

Since 2020

Chimney sweeping workCombustion inspectionsFire protection

View profile4.8(4)

Onyx Facility Service GmbH

Since 2024

Cleaning and special cleaningBuilding management and garden careSpecialist services

BETOSAN AG

Since 1991

View profile3(2)

Building Maintenance in Olten

5Building MaintenanceCommercial register (Zefix) · as of August 26, 2026

2008Median year of registrationCommercial register (Zefix) · as of August 26, 2026

104in the Canton of SolothurnCommercial register (Zefix) · as of August 26, 2026

3,931in SwitzerlandCommercial register (Zefix) · as of August 26, 2026

Locations

Building Maintenance in the region

Point size by number of companies per place.

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

Largest places

Däniken SO5 Solothurn5 Grenchen5

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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