Building Construction

Schneider AG Bauunternehmung Koppigen 

Koppigen · Since 1974

Schneider AG Bauunternehmung Koppigen is a construction company providing building and civil engineering services, maintenance work, demolition, drilling and milling, and equipment rental. Its services include residential, public and commercial construction, agricultural buildings, renovations, excavation and utility works, and concrete repair.

Seiler AG, Hoch- und Tiefbau, Pontresina 

Pontresina · Since 1959

The core activity of Seiler AG is the execution of civil engineering and construction work, including hazardous substance remediation, in the Engadine region. The company offers a wide range of services, including the construction of single-family homes, high-altitude construction sites, customer-specific work such as conversions and renovations, as well as hazardous substance remediation.

W. Christen Bauunternehmung Recherswil AG 

Recherswil · Since 1982

W. Christen Bauunternehmung Recherswil AG is a construction company providing building and civil engineering services, including residential construction, public buildings, commercial and industrial projects, agricultural structures and renovation work. Services also include drilling, milling and demolition work, customer service and equipment rental.

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.

A. Dietrich AG, Baugeschäft 

Zurich · Since 1992

The core activity of A. Dietrich AG primarily encompasses civil engineering, road construction, building construction and renovation. Specifically, the company offers the following services: Civil engineering and road construction: sewerage, paving and environmental works, trenchless pipe laying, bituminous surfacing works; Building construction and renovation: renovation and maintenance works, ceramic wall and floor tiles, concrete drilling works. The company is thus a construction company that offers a wide range of construction and renovation services.

Bernasconi Bau AG 

Luterbach · Since 2005

Bernasconi Bau AG is a construction company offering building construction, civil engineering and maintenance services, as well as specialized concrete work (betonArt), and acting as a general contractor to coordinate projects.

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.

Ray SA 

Givisiez · Since 2022

The core activity of Ray SA AG is the planning and realization of building envelopes, including facades, roofs, doors and other building elements. The company offers specific services such as metal, wood and composite material processing, sandwich panels, polycarbonate and natural stone processing, as well as machining and construction of refrigeration systems, cold rooms and clean rooms.

XILEMA SA 

Bedano · Since 1993

XILEMA SA is a company offering joinery and construction carpentry services and producing custom interior fittings such as kitchens, doors and wardrobes. The company also operates a technical office and retails doors and windows.

A. Müller AG 

St. Gallen · Since 2019

A. Müller AG is a construction company offering building construction, sports‑field construction and concrete renovation services. Its offerings include refurbishment and new‑build projects, hazardous‑material remediation, core drilling, seamless resin floor systems, artificial turf and parking‑deck coatings.

Eggenschwiler Hoch- und Tiefbau AG 

Balsthal · Since 2006

The core activity of Eggenschwiler Hoch- und Tiefbau AG is the provision of services in the field of construction and civil engineering, including demolition work, environmental work and other construction projects.

HBS Systemabdichtungen AG 

Riedt B. Erlen · Since 2017

HBS Systemabdichtungen AG specializes in sealing and injection systems for the construction industry. The core activities include: sealing of excavations and masonry; injections for soil and masonry stabilization; supply and injection of injection hoses and materials; masonry reinforcement and injection; soil stabilization and injection; sealing of basements and underground structures; geoinjections and core drilling; plastic sealing sheets and injections. The company also offers consulting, planning, execution and control of sealing systems under terrain.

M. Iannetta SARL 

Peyres-Possens · Since 2011

The core activity of M. Iannetta Sàrl is the provision of services in the construction sector, particularly in the following areas: masonry (e.g. new buildings, renovations, extensions), concrete work (e.g. reinforced concrete, precast concrete), civil engineering (e.g. bridges, roads, sewage systems), outdoor facilities (e.g. garden and landscape construction), drilling and sawing work (e.g. for foundations, cellars), and emergency and immediate services (e.g. 24-hour emergency service for urgent repairs). The company also offers consulting and planning services and can carry out projects from planning to execution.

Moratti & Söhne AG 

Gstaad · Since 1985

The core activity of Moratti & Söhne AG encompasses comprehensive construction services, including: building construction, civil engineering, road construction, excavation work, demolition, renovation work, transportation, pit service, supply of building materials, and production of gravel and concrete. The company thus offers a wide range of services in the construction industry, from planning and execution of construction projects to the delivery of building materials and the implementation of demolition and renovation work.

Müller Aarberg AG 

Aarberg · Since 2000

The core activity of Müller Aarberg AG is the construction and planning of high-rise buildings, civil engineering and road construction, conversions, as well as the provision of services in the field of sewer renovation, core drilling, tightness testing and sewer works.

Renovas SA 

Sorens · Since 2016

The core activity of Renovas SA is the provision of Aérogommage services, an ecological and gentle de-coating process for various materials such as wood, metal, stone and other surfaces. The company also sells Aérogommage materials and abrasives and has a boutique and rental service for Aérogommage equipment.

Rocchinotti Bau AG 

Zufikon · Since 1977

Rocchinotti Bau AG is a construction firm providing building construction, renovation and maintenance services, including engineering structures and a specialist crane service.

Trümpi AG, Bauunternehmung 

Mitlödi · Since 1973

Trümpi AG, Bauunternehmung is a construction company that carries out building and civil engineering works and provides construction management and general-contractor services. Its services include residential and industrial building, extensions and renovations, concrete repair, excavation and earthworks, sewer and utility works, protective structures and project/site management.

Wanner & Lott AG 

Regensdorf · Since 1990

The core activity of Wanner & Lott is in the construction sector, specifically in the areas of renovation, refurbishment, restoration, customer masonry services, and historic restoration. The company offers services in these areas and has specialized in the planning, organization, and execution of construction projects.

ALTUN Sàrl 

Geneva · Since 2002

The core activity of ALTUN Sàrl is the provision of services in the field of construction and renovation work, particularly in the areas of: plastering, painting, tiling, parquet flooring, and demolition. The company offers these services for both interior and exterior work and creates customized offers for customers in the Geneva region and Western Switzerland.