Building Maintenance in Olten

Companies

All 7 companies in Olten

Baugeschäft Arnold Wullschleger AG

Since 1966

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

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Trocktech AG

Since 2008

Construction dryingWater damage remediationInsulation layer drying

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Bachmann AG Olten

Since 2020

Chimney sweeping workCombustion inspectionsFire protection

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Onyx Facility Service GmbH

Since 2024

Cleaning and special cleaningBuilding management and garden careSpecialist services

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BA

BETOSAN AG

Since 1991

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TG

TORRENTIS GmbH

Since 2014

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BI

Burri ImmoRep GmbH

Since 2025

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Building Maintenance in Olten

7Building MaintenanceCommercial register (Zefix) · as of September 24, 2026

2014Median year of registrationCommercial register (Zefix) · as of September 24, 2026

246in the Canton of SolothurnCommercial register (Zefix) · as of September 24, 2026

8,826in SwitzerlandCommercial register (Zefix) · as of September 24, 2026

Locations

Building Maintenance in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of September 24, 2026

Largest places

Grenchen17 Däniken SO8 Balsthal8 Solothurn8 Hägendorf7 Dornach7 Derendingen7 Zuchwil7 Bellach7 Schönenwerd6

Place axis

Other industries in Olten

All companies in Olten

Property Management110 Restaurants84 Holding Companies79 Management Consulting67 Real Estate Brokerage60 IT Consulting & Services52 Technical Consulting & Engineering46 Software Development44 Real Estate Project Development44 Architecture Firms43 Hair Salons36 Fiduciary Offices36 Advertising Agencies35 Coaching & Personal Development34 Facility Management & Cleaning31 Recruitment & HR Consulting30 Automotive & Vehicle Trade26 Beauty Salons25 General Contractors23 Retail - Textiles & Clothing23 Online Shops22 Construction & Project Management21 Catering20 Trade Fair & Event Organizers19 Retail - Food & Luxury Items19 Cultural & Educational Organizations18 Other Service Industries16 Auto Repair Shops16 NGOs & NPOs15 Continuing Education Institutes15 Clubs, Bars & Event Venues15 Electrical Planning & Installation14 Financial Services14 Wholesale - General Specialty Trade14 Professional & Trade Associations13 Law Firms & Notary Offices13 Painting & Plastering13 Insurance Brokerage & Consulting13 Non-Medical Healthcare Professions12 Physiotherapy12 Psychiatry & Psychotherapy12 Retail - General Specialty Trade12 Logistics & Transport Companies12 Mechanical Engineering Industry11 Interior Construction10 Wholesale - Beverages & Spirits10 Photography9 Research & Development9

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Building Maintenance inOlten

All 7 companies in Olten

Building Maintenance in the region

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Other industries in Olten

Building Maintenance in
Olten