Building Construction

Willi Hoch- und Tiefbau AG 

Schiers · Since 1994

The core activity of Willi Hoch- und Tiefbau AG encompasses the provision of services and products in the field of construction and civil engineering, including: Construction: new construction, renovation and refurbishment of single-family and multi-family homes, commercial and industrial buildings; Civil engineering: civil engineering services, crane work, environmental design and transportation; Concrete elements: manufacture of concrete elements such as concrete blocks, concrete wells, kitchen countertops, road elements and other custom concrete products; Drilling and cutting: specialized work such as drilling and cutting of concrete, masonry and natural stone; Prefabricated construction: manufacture of concrete elements and other building components. The company also offers apprenticeship training and consulting services.

Workswell Sàrl 

Sion · Since 2019

Workswell Sàrl is an independent engineering firm specializing in Measurement–Control–Regulation (MCR) and Building Management Systems (BMS/GTC). The company provides energy audits and MCR analyses, system integration using standard protocols (BACnet, Modbus, KNX), MCR design and planning, retrofit, construction supervision and commissioning, complying with Swiss standards (SIA, KBOB).

WORLD HOUSE AG 

St. Moritz · Since 2008

The core activity of WORLD HOUSE AG is the development, design and manufacture of modular living trailers and chassis, which represent a combination of chalet and vehicle. The company also provides technical consulting services in the field of mechanical engineering and vehicle construction.

WP Generalbau GmbH 

Remetschwil · Since 2018

WP Generalbau GmbH is a construction company providing building planning, construction management and general contracting services. Its offerings include structural engineering, metalwork, refurbishment and new-build projects, and the production of custom-made furniture.

Wunder Bau GmbH 

Frick · Since 2021

The core activity of Wunder Bau GmbH encompasses the planning, execution, and realization of construction projects, including: * Building services (heating, plumbing, air conditioning) * Electrical installations (electrical systems, photovoltaics, smart home) * Renewable energies (photovoltaics, solar systems) * Renovation and refurbishment of buildings (bathroom and kitchen renovations, complete house renovations) * General contracting (all services of the main construction industry) The company thus offers comprehensive services in the construction sector, from planning to execution, and focuses on the needs of its customers in the areas of living and working.

Wüthrich Bau AG 

Münchenbuchsee · Since 1974

Wüthrich Bau AG is a construction company providing building construction and civil engineering services, including new builds and renovations, excavation and paving works, sewer and utility installation, site works, demolition, vacuum-excavator services and building hazardous‑material diagnostics.

X-Baumanagement AG 

Oberwil Bl · Since 2020

X-Baumanagement AG provides construction and project management services, including site supervision, cost and schedule control, and quality assurance. The firm also handles tendering and contract awards, coordination with architects and specialists, building-permit procedures and final construction accounting.

Yves Borsa 

Thônex · Since 1984

Yves Borsa manufactures, renovates and modifies custom metal parts, including staircases, grilles, gates, railings, pergolas, canopies, barriers, balconies and metal furniture, working with materials such as steel, stainless steel, wrought iron, copper and brass.

zeichnungswerkstatt GmbH 

St. Stephan · Since 2021

The core activity of zeichnungswerkstatt GmbH is the creation of CAD plans and drawings for builders and architects, particularly in the field of high-rise construction and interior design. This includes the creation of project and working plans, consulting for design and design, as well as planning and execution in the interior design sector.

Zemp Tiefbau Schüpfheim GmbH 

Schüpfheim · Since 2015

The core activity of Zemp Tiefbau Schüpfheim GmbH encompasses civil engineering and construction services, particularly: excavation and earthworks, sewage and drainage systems, pipeline construction, road construction, environmental works, network infrastructure, spring catchments, and crane and lifting operations. The company thus offers a wide range of services in the field of civil engineering and infrastructure.

Zenklusen-Bau AG 

Simplon Dorf · Since 1981

Zenklusen-Bau AG is a construction company carrying out building and civil engineering projects, including road works and power-plant construction. Its services also include rockfall and avalanche protection, natural-stone roofing, and operation of a concrete plant and material extraction/processing facilities.

Zenunibau GmbH 

Thun · Since 2023

The core activity of ZenuniBau is the provision of services in the construction sector, particularly in the following areas: core drilling, demolition and dismantling, renovation, new construction, and scaffolding. The company offers these services as a general contractor or subcontractor for construction projects, with a focus on quality, safety, innovation, and people.

Zini GmbH restoraziuns e lavurs da mürader 

Strada · Since 2019

The core activity of Zini GmbH is the restoration and conservation of old buildings, ruins and historic buildings, particularly through the application of traditional techniques and materials such as lime plaster, lime mortar flooring, plaster restoration, conservation of ruins, building reconstruction, concrete well renovation and paving with lime mortar jointing.

ZOGG-AKKORD GmbH 

Grabserberg · Since 2016

ZOGG-AKKORD GmbH performs piecework, masonry and tiled/cladding surface installations. Services listed on the website include wall and formwork masonry, demolition, plastering, wall openings, drilling and repair works, and the laying and cladding of floor and wall surfaces.

Zoller Services AG 

Romanshorn · Since 2015

The company's core activity is providing services in the field of residential and commercial construction, including real estate brokerage, project planning and turnkey construction of single-family homes, prefabricated halls and office buildings.

Zuberi GmbH Bauunternehmung 

Allschwil · Since 2000

The core activity of Zuberi Bau GmbH primarily includes masonry work, comprising masonry, concrete structures, concrete renovation, demolition work, sewerage work, core drilling, slab laying, stoneware, ceramic and mosaic work, as well as drywall and plastering work. Additionally, the company also offers services in the areas of facade renovation, facade insulation, basement ceiling insulation, plastering and environmental work.

Zumbrunn Bau AG 

Grindelwald · Since 1984

The core activity of Zumbrunn Bau AG is the execution of construction and civil engineering works, as well as environmental works for private, commercial and public clients.

Zurbrügg Hoch- und Tiefbau GmbH 

Reichenbach Im Kandertal · Since 2007

Zwingli Agro Bau GmbH 

Kaltbrunn · Since 2007

The core activity of Zwingli Agro Bau GmbH is the planning and execution of construction projects, particularly in the areas of agriculture and industry, with a focus on: * Hall construction * Wood and steel assemblies * Roofing and interior finishing work * Installation of photovoltaic systems * Slurry silo covers In addition, the company offers CAD drafting and design services and is involved in the planning and execution of construction projects, including the preparation of building permit documents and working and execution plans.

Cubex AG 

Lucerne · Since 2025

Cubex AG is a technology think tank for housing that develops modular, serial timber building systems and prefabricated residential units. The company provides architectural design, production, logistics, project implementation and financing concepts for scalable, resource-efficient housing solutions.