General contractor in
Olten

Peter Studer Holzbau AG

Since 1975 · 11–20 empl.

Peter Studer Holzbau AG is a timber construction and planning company. It plans and builds timber-frame structures, carries out traditional carpentry, new builds, conversions and renovations, and provides architectural planning, advice and maintenance services.

S+B Baumanagement AG

Since 1996 · 51–100 empl.

S+B Baumanagement AG provides construction management services, including client representation, consultancy and project control. Its activities also include project development, general planning, and responsibility for construction planning and execution as a general or total contractor.

Scioscia Engineering GmbH

Since 2004 · 11–20 empl.

Scioscia Engineering GmbH provides architectural and structural engineering services, project development and construction management. Offerings include feasibility studies, design and execution planning, permit and contract documentation, cost estimates, construction supervision, and general or total contracting with turnkey delivery.

S+B Baumanagement Holding AG

Since 2014 · 1–10 empl.

S+B Baumanagement Holding AG is the holding company of the S+B group, which operates in construction management. The group provides consultancy, project development, general planning, and general and total contracting services.

Bau & Form AG

Since 2011 · 1–10 empl.·5.0(4)

Bau & Form AG is an architecture firm working on residential and commercial buildings. Its services include new construction, renovations and conversions, planning, project development, construction management and client representation.

integral baumanagement ag

Since 2001 · 11–20 empl.·4.0(4)

integral baumanagement ag is a construction planning and services firm offering architecture, construction management, project development, general planning, general and total contracting, and consulting services. The company oversees the planning and realization of building projects with emphasis on schedule, cost and quality control as well as architectural design and sustainability.

W. Thommen AG

Since 1976 · 1–10 empl.·4.6(7)

W. Thommen AG is an architecture and planning company. Its activities include representing building owners, board mandates, start-up investments and company participations; together with partner companies, it also offers project development, construction management, construction fiduciary services, and general planning and total contracting.

rba architekten gmbh eth sia

Since 2014 · 1–10 empl.·4.2(6)

The core activity of RBA Architekten is the planning, design and realization of new and renovation projects in the field of architecture.

c2m architekten GmbH

Since 2009 · 1–10 empl.·4.4(7)

Architekturbüro 89m2 GmbH

Since 2022 · 1–10 empl.

The company 89m2 GmbH is an architectural firm specializing in the planning, development, and construction of real estate projects. The core activities include: architectural and engineering services, general planning, total and general contracting, renovations, modernizations, and restorations of all kinds, evaluation, project management, and construction supervision, feasibility studies and plausibility checks, and brokerage of plots and properties. The company offers consulting, planning, and development of private and professional construction projects and realizes small and large projects in various industries.

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

Since 2021 · 11–20 empl.·4.6(5)

The core activity of Frey | Architekten AG is the planning, development and execution of architectural projects, including new buildings, conversions and renovations.

WENGET GmbH

Since 2026 · 1–10 empl.

WENGET GmbH plans, optimizes and rehabilitates building technology and building automation for properties in German-speaking Switzerland. The company offers, among other things, energy consulting, GA planning, operational optimization, as well as quality assurance and coordination of renovation projects.