General Contractors

Les Fils de Marc Joliat S.A. 

Courtételle · Since 1994

Les Fils de Marc Joliat S.A. is a general construction company providing general contracting and architectural services for residential, commercial and industrial projects, including renovations and civil engineering works. Its services cover project design, cost estimation, execution and site supervision, and the architecture office is a partner of the Swiss Minergie and Minergie‑P labels.

Pana Immob CBS, Narcisse Pannatier 

Sion · Since 1990

Pana Immob CBS, Narcisse Pannatier is a construction company that carries out construction of villas, chalets, apartment and commercial buildings as well as hotels and restaurants. Services also include renovations and transformations and handling of financial, administrative and technical procedures for projects.

PRIKA Projekt AG 

Cham · Since 2023

PRIKA Projekt AG provides services in real estate, pension fund administration, and HR administration including payroll. The company supports property owners and investors with planning, marketing, property management and sales, administers pension schemes with technical and financial management and governance tasks, and handles HR administration and payroll for businesses.

Proinnova AG 

Aesch Bl · Since 2000

The core activity of Proinnova AG is the provision of services in the field of architecture and construction, particularly: Architecture: planning and design of new buildings, renovations and refurbishments; New construction: construction of single-family and multi-family homes; Renovation/Conversion: renovation and modernization of existing buildings; Project sales: sale of construction projects and plots of land; Land optimization: consulting and planning for the optimization of plots of land. The company thus offers a comprehensive range of services for customers who want to plan or implement a construction project.

Schmidlin Bauplanung AG 

Steinen · Since 1993

Schmidlin Bauplanung AG provides building planning and specialist planning services focused on timber construction, supporting projects from building surveys and project organisation through planning to execution. Services include structural engineering and fire protection, holistic energy consulting, element production, and timber-construction works such as extensions, interior fittings and roofing and façade work.

Straumann-Hipp Bauconsult AG 

Basel · Since 1999

Straumann-Hipp Bauconsult AG provides construction services, handling new-build, conversion and renovation projects as well as plastering, remediation of hazardous substances and related refurbishment works, and coordinates executing contractors and site management.

Algon AG 

Basel · Since 1976

The core activity of Algon AG is the execution of construction projects, including painting, building and renovation work, as well as the provision of construction management services as a general contractor (GU) or total contractor (TU) for private and business customers in Northwestern Switzerland. The activities include, among others: construction management (GU/TU), painting work (interior and exterior), renovation and restoration work, conversion and extension work, new construction work, flooring work, floor laying work (parquet, textile, plastic), wallpapering, and plastering and glazing techniques. The company offers its services in the Basel-Stadt region and Northwestern Switzerland.

BBS CONSTRUCTION SA 

Geneva · Since 2020

The core activity of the company "bbs - blue box solutions" is the execution of construction projects as a general contractor, including planning, construction and renovation of residential and commercial properties, as well as providing services such as project management, construction management and architecture.

Pillet SA 

Bernex · Since 1994

The core activity of Pillet SA is engineering and construction services, particularly in the fields of: Civil Engineering, Geotechnics, Fire Protection, Construction Management, and Surveying. The company thus provides services in the planning, execution and supervision of construction projects, including geotechnical and fire safety aspects.

Agensa AG 

Wangen B. Dübendorf · Since 1935

The core activity of Agensa AG is real estate development and management, including the planning, construction and rental of properties.

INSKY Sàrl 

Chêne-Bourg · Since 2004

The core business of INSKY encompasses the areas of real estate, architecture, design and event organization.

PM Haus AG 

Ormalingen · Since 2010

PM Haus AG provides timber construction and joinery services, including timber‑system construction, carpentry and roof works as well as manufacture of stairs, floors and doors. As a general contractor the company delivers new builds, extensions, conversions, building elevations and renovations, handling planning and execution.

PM Mangold Holzbau AG 

Ormalingen · Since 1990

PM Mangold Holzbau AG is a timber construction and joinery company offering timber system construction, carpentry, roof work and joinery services such as stairs, flooring, doors and interior fit-outs. The company also acts as a general contractor, coordinating projects, offering fixed-price contracts and delivering turnkey new builds, extensions, conversions and renovations.

Ehrat Bauwerk AG 

Dietikon · Since 2025

Ehrat Bauwerk AG provides plastering, painting and external insulation services and additionally offers wallpapering, façade renovation, colour consultancy and decorative techniques.

BSR Bau AG, Bauunternehmung 

Baar · Since 2010

BSR Bau AG, Bauunternehmung provides construction services as a general contractor and master builder, and also offers construction management, renovation works and project development services.

BSR Baumanagement AG 

Näfels · Since 2023

The core activity of BSR Bau is the execution of master builder works and general contractor works in the construction industry, including the planning, implementation and completion of construction projects in Switzerland.

CLOT CONSTRUCTIONS SA 

Granges-Près-Marnand · Since 2024

Genu Partner AG 

Schaffhausen · Since 2008

The company provides comprehensive solutions for new and renovation construction projects, including project development, construction management, construction trust, planning and realization of residential buildings, commercial and office complexes, as well as public buildings. It combines owner-focused thinking with a comprehensive range of services, from investment idea to planning and realization to complete marketing.

Implenia AG 

Glattpark (Opfikon) · Since 2005

Implenia AG is an integrated, multinational construction and real estate services company that develops, constructs and manages buildings and infrastructure. Its activities include building construction, civil engineering (including tunnel and specialist foundation works), real estate development, refurbishment and property management.

Josef Lehmann Holzbau AG Schneisingen 

Schneisingen · Since 1966

Josef Lehmann Holzbau AG Schneisingen is a timber construction company that carries out traditional carpentry, prefabricated element construction and timber load-bearing structures. Its services include facades, roofing and photovoltaic installations, interior finishing and terraces, renovation and roof works, as well as halls and large-scale timber buildings.