General Contractors in
Olten

23 companies in General Contractors based in Olten — name and year of registration from the commercial register. The list below shows them all.

Companies

All 23 companies in Olten

Peter Studer Holzbau AG Logo

Peter Studer Holzbau AG

Since 1975

Timber constructionPlanningConsulting
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W. Thommen AG Logo

W. Thommen AG

Since 1976

General contracting and total contractingClient representationsBoard mandates
View profile4.6(7)
S+B Baumanagement AG Logo

S+B Baumanagement AG

Since 1996

AdvisoryProject developmentGeneral planning
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Scioscia Engineering GmbH Logo

Scioscia Engineering GmbH

Since 2004

Project DevelopmentArchitectural ServicesCivil Engineering Services
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c2m architekten GmbH Logo

c2m architekten GmbH

Since 2009

Architecture and planningGeneral planningProject steering
View profile4.4(7)
Bau & Form AG Logo

Bau & Form AG

Since 2011

Residential New ConstructionConversions, Extensions and RenovationsProject Development and Planning
View profile5(4)
S+B Baumanagement Holding AG Logo

S+B Baumanagement Holding AG

Since 2014

Advisory servicesProject developmentGeneral planning
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rba architekten gmbh eth sia Logo

rba architekten gmbh eth sia

Since 2014

Architectural planningConversion and renovationNew-build planning
View profile4.2(6)
Frey Architekten AG dipl. Arch. ETH/FH/SIA Logo

Frey Architekten AG dipl. Arch. ETH/FH/SIA

Since 2021

Architectural servicesAdvisory servicesDesign and concept
View profile4.6(5)
WENGET GmbH Logo

WENGET GmbH

Since 2026

Building Automation Consulting & PlanningBuilding Automation Planning to SWKI & SIA StandardsRefurbishment & Modernisation of Building Services
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integral baumanagement ag Logo

integral baumanagement ag

Since 2001

View profile4(4)
Architekturbüro 89m2 GmbH Logo

Architekturbüro 89m2 GmbH

Since 2022

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BS

BS Service GmbH

Since 2002

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IA

Immobase AG

Since 2004

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2A

2ART ARCHITEKTUR GmbH

Since 2006

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VD

Von Däniken Plättli AG, Zweigniederlassung Olten

Since 2012

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LA

LSU AG

Since 2017

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TC

TU Collina AG

Since 2023

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GP

Genu Partner AG

Since 2024

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RV

RB Vision GmbH

Since 2025

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RS

RAUMconcept STUDIO AG

Since 2025

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AC

Aare Capital Management GmbH

Since 2025

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PA

PIRZ AG

Since 2026

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General Contractors in Olten

23General ContractorsCommercial register (Zefix) · as of September 24, 2026
2014Median year of registrationCommercial register (Zefix) · as of September 24, 2026
213in the Canton of SolothurnCommercial register (Zefix) · as of September 24, 2026
9,174in SwitzerlandCommercial register (Zefix) · as of September 24, 2026
Locations

General Contractors in the region

Point size by number of companies per place.

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

Largest places

Grenchen18Solothurn13Balsthal9Feldbrunnen7Härkingen6Egerkingen6Dornach6Gerlafingen6Biberist6Schönenwerd5
Industry axis

General Contractors in other places

General Contractors across Switzerland
Grenchen18Solothurn13Balsthal9Feldbrunnen7Härkingen6Egerkingen6Dornach6Gerlafingen6Biberist6Schönenwerd5Trimbach5Wangen B. Olten5Kappel SO5Derendingen5Zuchwil5Lohn-Ammannsegg5

By canton

Canton of Zurich1,197Canton of Vaud833Canton of Ticino803Canton of Bern705Canton of Geneva617Canton of Aargau558Canton of St. Gallen543Canton of Fribourg468Canton of Lucerne442Canton of Valais437Canton of Zug403Canton of Schwyz341Canton of Thurgau330Canton of Grisons292Canton of Basel-Country256Canton of Solothurn213Canton of Neuchâtel120Canton of Appenzell Outer Rhodes91Canton of Nidwalden76Canton of Schaffhausen68Canton of Glarus50Canton of Obwalden48Canton of Jura37Canton of Appenzell Inner Rhodes21Canton of Uri15
Place axis

Other industries in Olten

All companies in Olten
Property Management110Restaurants84Holding Companies79Management Consulting67Real Estate Brokerage60IT Consulting & Services52Technical Consulting & Engineering46Software Development44Real Estate Project Development44Architecture Firms43Hair Salons36Fiduciary Offices36Advertising Agencies35Coaching & Personal Development34Facility Management & Cleaning31Recruitment & HR Consulting30Automotive & Vehicle Trade26Beauty Salons25Retail - Textiles & Clothing23Online Shops22Construction & Project Management21Catering20Trade Fair & Event Organizers19Retail - Food & Luxury Items19Cultural & Educational Organizations18Other Service Industries16Auto Repair Shops16NGOs & NPOs15Continuing Education Institutes15Clubs, Bars & Event Venues15Electrical Planning & Installation14Financial Services14Wholesale - General Specialty Trade14Professional & Trade Associations13Law Firms & Notary Offices13Painting & Plastering13Insurance Brokerage & Consulting13Non-Medical Healthcare Professions12Physiotherapy12Psychiatry & Psychotherapy12Retail - General Specialty Trade12Logistics & Transport Companies12Mechanical Engineering Industry11Interior Construction10Wholesale - Beverages & Spirits10Photography9Research & Development9Civil Engineering9