General Contractors

BAUWIWO AG 

St. Gallen · Since 2022

BAUWIWO AG is a general contractor that plans and executes construction projects and provides related services. Its offerings include construction and planning (structural and civil works, architecture, site management), renovation and refurbishment, property management, and financing services through affiliated units.

B & B Baurealisierung GmbH 

Spreitenbach · Since 2014

B & B Baurealisierung GmbH provides construction management and project realisation services. The firm handles project development, cost estimation, tendering, construction supervision and cost control, acting as general or total contractor for new builds, extensions and renovations, and it also develops properties in its own projects.

BBK ARCHITEKTEN AG, Balzers (LI), Zweigniederlassung Wartau 

Azmoos · Since 2007

BBK ARCHITEKTEN AG, Balzers (LI), Zweigniederlassung Wartau is an architectural firm providing design, planning and project-management services for new-build, conversion and extension projects, as well as competition entries and public building commissions.

BDR Services & Conseil SA 

Bellevue · Since 2017

BDR Services & Conseil SA provides project management for real estate projects, renovation and conversion of apartments, and support for property sales or rentals. Services include administrative assistance (e.g., SIG registration and transfer of utility subscriptions) and collaboration with a local building and real estate network, with attention to eco-responsible solutions.

Bee Architekten AG 

Konolfingen · Since 1992

Bee Architekten AG is a service firm operating in architecture and real estate. The company provides architectural planning, project development, general contracting, property marketing and valuation services.

BEE Generalunternehmung AG 

Konolfingen · Since 2004

The company's core activity is the provision of services in the field of real estate, particularly in the areas of: planning and general contracting of real estate projects, marketing and sales of real estate, valuation and appraisal of real estate, and development and realization of real estate projects. The company thus offers a comprehensive range of services that cover the entire life cycle of a property, from planning and development to sales and management.

BEER HOLZHAUS AG 

Ostermundigen · Since 2009

BEER HOLZHAUS AG delivers timber construction and wood-system projects, providing services such as facades, interior fit-outs, renovations and prefabricated modular units. The company also supplies general contracting, element prefabrication (Abbund), consulting and quality-assurance services for timber construction.

Beerli + Venzin AG 

Hörhausen · Since 2005

The core activity of Beerli + Venzin AG is the provision of services in the field of construction and general contracting, particularly the conception and implementation of new buildings, conversions and renovations of single-family homes to moderate multi-family homes.

BEFA Concept Sàrl 

Mies · Since 2019

BEFA Concept Sàrl is a construction company providing design, transformation and renovation services and delivering projects as a total contractor, general contractor or in technical management. Services include demolition, finishing works and bespoke fit-outs for sectors such as healthcare, industrial and residential projects.

BELI RENOVATION Sàrl 

Versoix · Since 2022

BELI RENOVATION Sàrl provides renovation, plastering and painting services for interior and exterior spaces, including plasterboard installation, partitions and false ceilings. The company carries out decorative finishes and repair work and coordinates multiple trades for turnkey renovation projects, covering floors, walls and sanitary/electrical installations.

Benag AG 

Sempach Station · Since 1985

Benag Immobilien AG 

Sempach Station · Since 2010

BEREUTER TOTALUNTERNEHMUNG AG 

Effretikon · Since 2009

Bereuter Totalunternehmung AG is a construction company specializing in the planning, realization and management of real estate and construction projects. The core activities include taking over projects from the idea to the turnkey handover, including construction management, project management, management and contract management. The company places a strong focus on sustainability, quality and safety.

Berisha Maçonnerie SA 

Crissier · Since 2024

Berisha Groupe SA is a construction company and general contractor specializing in structural (heavy) works. Services include formwork, reinforcement (rebar) installation, bricklaying and the execution of residential and civil engineering construction projects.

Bertola Construction SA 

Cossonay-Ville · Since 2017

Bertola Construction SA is a construction company operating as a masonry contractor and general contractor, providing services in masonry, reinforced concrete and civil engineering. It undertakes projects including power plants, prison extensions, schools and sports halls, administrative buildings and residential developments.

Bertolit SA 

Carouge Ge · Since 1965

The core activity of Bertolit includes the execution of renovation and refurbishment work on buildings, including facades, roofs, interior spaces, waterproofing and outdoor facilities. The company offers its services as a general contractor and performs work such as asbestos removal, modernization of sanitary facilities and electrical systems, as well as building renovation.

BESA Generalunternehmung GmbH 

Basel · Since 2015

The core activity of BESA GmbH is general contracting, particularly in ecological and energetic conception, property management, planning and installation of PV systems as well as electrical engineering and electronics.

besser.bauen ag 

St. Gallen · Since 2017

The core activity of besser.bauen ag is the construction and execution of construction projects, particularly in the field of high-rise construction, as an innovative construction company based in St. Gallen.

BF Architecture et Technique du bâtiment Sàrl 

Vionnaz · Since 2008

The core activity of BF Architecture & Technique du Bâtiment is the provision of architectural and engineering services for the construction and renovation of buildings, particularly in the areas of energy efficiency and sustainability. This includes conducting energy audits, creating energy certificates, planning and consulting on the renovation and new construction of buildings, as well as achieving standards such as Minergie, Minergie P and Minergie ECO.

BFS Bauingenieure AG 

Balsthal · Since 1989

BFS Bauingenieure AG provides civil and structural engineering services, including planning of roads, sewers, water and utility networks as well as site planning and cadastre. The firm also carries out engineering projects for excavations, retaining structures, stormwater tanks, bridges and noise protection walls.