General Contractors in
Olten

Peter Studer Holzbau AG

Since 1975 · 11–20 empl.

The core activity of the company "stu|der holzbauer" is the planning and realization of timber construction projects, including the prefabrication and assembly of timber buildings, as well as the provision of services in the field of timber frame construction. The company also offers architectural services and specializes in the use of wood as a building material.

S+B Baumanagement AG

Since 1996 · 51–100 empl.

S+B Baumanagement AG provides construction management services, including client advisory, project development, general planning, general contracting and total/turnkey contracting for building projects. The company supports projects from design through execution and applies digital methods such as BIM and sustainability approaches.

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.

c2m architekten GmbH

Since 2009 · 1–10 empl.·4.4(7)

c2m architekten GmbH provides architecture and general planning services, supporting projects from development and design through to construction. The firm is responsible for project management, client advisory and representation, and monitoring of costs and schedules.

S+B Baumanagement Holding AG

Since 2014 · 1–10 empl.

S+B Baumanagement Holding AG is the holding company of the S+B group, responsible for strategic management and the organisation of its operating subsidiaries. The group provides construction management and project development as well as general planning, general contracting and turnkey construction, and uses BIM-supported planning processes.

Bau & Form AG

Since 2011 · 1–10 empl.·5.0(4)

The core activity of Bau & Form AG is the planning, development and realization of construction projects, particularly in the field of architecture, renovations, extensions, refurbishments and new constructions of single-family homes and multi-family homes. The company provides consulting and planning services for private and professional clients and works with various specialists and architects.

W. Thommen AG

Since 1976 · 1–10 empl.·4.6(7)

W. Thommen AG provides start-up investments, owner's-representative services, board mandates and equity participations. The firm also delivers project development, construction management and construction trust services and collaborates with partners as general planner or total contractor.

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.

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.

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 renovates building services and building automation for properties in German-speaking Switzerland. Its services include energy consulting, building automation planning, operational optimization, quality assurance and coordination of refurbishment projects.