Specialized Construction Activities in
Olten

7 companies in Specialized Construction Activities based in Olten — name and year of registration from the commercial register. The list below shows them all.

Companies

All 7 companies in Olten

IUB Engineering AG

Since 2006

Integrated planning and engineering services for infrastructure facilitiesProject management and client supportStudies and concepts

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Willi Wyss Ofenbau Cheminéebau Plattenbeläge

Since 1987

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K+

Keiser + Schmid Armierungen GmbH

Since 1997

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Koller Building Systems AG

Since 2001

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H. Uhr AG

Since 2007

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Allround Service Constantin

Since 2024

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Lume & Schrube GmbH

Since 2025

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Specialized Construction Activities in Olten

7Specialized Construction ActivitiesCommercial register (Zefix) · as of September 23, 2026

2006Median year of registrationCommercial register (Zefix) · as of September 23, 2026

104in the Canton of SolothurnCommercial register (Zefix) · as of September 23, 2026

3,307in SwitzerlandCommercial register (Zefix) · as of September 23, 2026

Locations

Specialized Construction Activities in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of September 23, 2026

Largest places

Grenchen8 Schönenwerd5 Dulliken5 Solothurn5

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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Specialized Construction Activities inOlten

All 7 companies in Olten

Specialized Construction Activities in the region

Specialized Construction Activities in other places

Other industries in Olten

Specialized Construction Activities in
Olten