Crafts & Trades

Verein Werkstätte LIECHTBLICK 

Schaffhausen · Since 2017

Verein Werkstätte LIECHTBLICK provides metal, plastic and wood processing and works with composite and honeycomb panels. Its Designatelier develops and manufactures items from prototypes to series production and produces components such as façades, profiles, consoles and the THERMOSTOP-PLUS system.

Vettiger Stahlbau AG 

Eschlikon Tg · Since 2013

The core activity of Vettiger Stahlbau AG is the planning, development and manufacture of steel and metal structures, including tank construction, balcony construction, canopies, bridge construction and other metal constructions. The company also offers services such as maintenance, new construction and renovation in the field of steel construction.

VHP METAL SA 

Meyrin · Since 1992

VHP METAL SA is a metal construction and blinds company that provides design, fabrication and installation of steel, stainless steel and aluminum structures. Its services include repair and maintenance, decorative metalwork (railings, handles, balustrades) and security products such as high‑security locks, armored doors, safes and key duplication.

VIDEO SYSTEMS SA 

Les Acacias · Since 2000

The core activity of Video Systems SA is the installation and integration of high-tech solutions, particularly in the field of domotics, home cinema systems, audio and video installations, as well as building automation. The company also offers services such as planning, installation and maintenance of systems for controlling lighting, climate, security and energy consumption.

Villari-Service Heizung-Sanitär 

Wald Zh · Since 2021

The core activity of Villari-Service Heizung-Sanitär encompasses the planning, installation, maintenance and repair of sanitary, heating and air conditioning systems, including the laying of heating pipes, the installation of heating boilers, heat storage tanks and heat exchangers, as well as the assembly of solar panels and heat pumps. Furthermore, the company also offers services in the field of irrigation, such as the installation of wells and irrigation systems, as well as the sale of bathroom ceramics and other sanitary products.

Villiger Bodenbelag AG 

Dübendorf · Since 1992

The core activity of Villiger Bodenbelag AG is the consulting, delivery, installation and disposal of various floor coverings, including parquet, laminate, linoleum, cork, vinyl, textile and others. This also includes the preparation of the subfloors and the professional execution of the work with a modern machine park and trained personnel.

Viquerat Concept Industrie Sàrl 

Aclens · Since 2017

Viquerat Concept Industrie Sàrl sells industrial closure and access-management solutions as well as loading-dock and storage equipment. The company markets customised products such as sectional and rapid doors, roller shutters, access-control systems, perimeter protection and dock equipment, and is responsible for product quality management.

Voirol AG Luft- und Klimatechnik 

Basel · Since 1993

The core activity of Voirol AG is air and climate technology.

V & S Electricité Sàrl 

Payerne · Since 2012

The core activity of V&S Electricité is the planning, installation, maintenance and repair of electrical systems and installations for private individuals, small and medium-sized enterprises (SMEs) and industrial companies. This includes, among other things: Carrying out safety checks and inspections of electrical installations, Planning and installing new electrical installations for new buildings and renovations, Maintaining and repairing electrical installations in existing buildings, Installing and configuring home automation systems (domotics) and intelligent building technologies, Creating certificates and attestations for the functionality and safety of electrical installations.

WAGA Spenglertechnik AG 

Sirnach · Since 2009

The core activity of Waga Spenglertechnik AG is the execution of sheet metal work, in particular the cladding of facades and roofs with fine sheet metal, as well as the provision of services in the field of metal processing, roof maintenance, lightning protection and monument preservation.

Wagner Spenglerhandwerk GmbH 

Fischingen · Since 2021

Wagner Spenglerhandwerk GmbH is a tinsmith and building services company offering sheet-metal and lightning protection work, sanitary and ventilation installations, solar systems and water-supply services. The company provides planning and execution for repairs, renovations, conversions and new builds and collaborates with qualified staff and partners from planning through completion.

Walair AG 

Zurich · Since 1992

The core activity of Walair AG is the planning, execution and maintenance of ventilation, air conditioning and refrigeration systems, including consulting and service, for buildings and facilities.

Walderwerk GmbH 

Männedorf · Since 2015

The core activity of WalderWerk GmbH is the provision of services in the field of sanitary, heating and bathroom renovations, including repair and maintenance work.

Walker RIM AG 

Ibach · Since 2003

The core activity of Walker RIMAG is carpentry, particularly the manufacture and assembly of furniture and other wood products. The company offers services such as planning, production and installation of woodwork and is also involved in the training of young carpenters.

Wallimann AG 

Ennetbürgen · Since 2014

Wallimann AG provides roofing, façade and sheet-metal services for building envelopes. Services include pitched and flat roofs, metal cladding, installation of gutters and downpipes, lightning protection, scaffolding, repair work and roof-window installation.

Walser Plattenbeläge GmbH 

Flums · Since 2022

Walser Plattenbeläge GmbH installs ceramic, artificial and natural stone floor and wall coverings, provides stone-carpet (Steinteppich) installations and terrace and driveway surfacing, and carries out repair and grout-sealing work.

Wand- und Deckenbau AG 

Heimberg · Since 1982

Wand- und Deckenbau AG is a construction company providing wall and ceiling solutions and interior fit-out services. Main activities include special plastering (BKP 271.1), ceiling linings (283), special sealing and insulation (225) and dismantling (113); services cover acoustics, claddings, partition walls and fire protection for office, industrial, public and residential buildings.

Wanner Sanitär GmbH 

Zurich · Since 2012

Wanner Sanitär GmbH provides planning, consultation and installation services for sanitary systems and delivers tailored kitchen and bathroom solutions. It carries out repairs, new installations and renovations for residential, industrial and agricultural properties and operates a 24/7 emergency service for issues such as blocked drains, leaking taps or cistern faults.

Waterlux GmbH 

Rizenbach · Since 2023

The core activity of Waterlux lies in building technology, particularly in the planning and implementation of sanitary and heating solutions for various types of buildings, such as single-family homes, multi-family homes, public construction projects, commercial and industrial buildings.

Weber Ofenbau AG 

Hunzenschwil · Since 1987

The core activity of Weber Ofenbau is the manufacture and sale of ovens, fireplaces and tile installations, as well as the renovation and conversion of living spaces. The company combines traditional craftsmanship with modern heating technology to provide customer-specific solutions for warmth and living comfort.

Weder Maler GmbH 

Bettlach · Since 2009

The company's core activity is the provision of painting and renovation services, including interior and exterior painting, mold remediation, pigeon protection, mineral and plastic plastering, insulation and drywall construction in the renovation sector.

Wenger Schweisstechnik GmbH 

Frauenfeld · Since 2006

The core activity of Wenger Schweisstechnik GmbH is the manual metal processing, in particular welding works, using modern machines and technologies.

werk14 AG 

Grünen · Since 1993

The company werk14 is a service provider in the field of manufacturing and assembly of products, sub-assemblies and components. The core activity includes engineering, toolmaking, manufacturing processes and services such as hardware, custom-made products and illuminations. The company develops innovative solutions together with its customers and produces in the highest quality and within the desired timeframe.

Wernli & GB Associés SA 

Plan-Les-Ouates · Since 2009

The core activity of WERNLI & GB SA is the planning and implementation of projects in the field of electrical engineering, including: high current (strong electrical current), low current (weak electrical current), photovoltaics (energy generation through sunlight), and domotics (building automation). The company also offers services such as inspection, installation, and maintenance of electrical systems, and advises customers on optimizing their energy consumption.

WIKA Küchenbau AG 

Mels · Since 1991

The core activity of WIKA Küchenbau AG is the construction and planning of kitchens as well as interior finishing.

Wild-Bau Spenglerei AG 

Walenstadt · Since 2017

The core activity of Wild-Bau AG is the execution of roofing work, particularly in the area of pitched roofs and flat roofs, as well as the installation of lightning protection systems.

Willi Franz Bodenbeläge & Parkett 

Dietlikon · Since 2006

The company's core activity is the laying, maintenance, repair and renewal of floor coverings, particularly parquet, laminate, carpet and other floor coverings. This also includes advising customers on the selection of floor coverings, carrying out intensive cleaning and maintaining floor coverings to preserve their value.

Willy Bonvin Electricité SA 

Sion · Since 2015

The core activity of Willy Bonvin Electricité SA is the provision of services in the field of electrical engineering, particularly in the following areas: installation of electrical systems for residential and commercial properties, such as villas, apartments, industrial halls and basements; installation of photovoltaic systems; repair and maintenance services for electrical systems and devices; telephone systems and installations; and electrical systems for household appliances and devices. The company also offers services such as creating quotes, plans and projects in the field of electrical engineering.

Wimeba Metallbau AG 

Nebikon · Since 1995

Wimeba Metallbau AG is a metal-construction company that plans, fabricates and installs stairs and railings, steel structures, balconies, roofs, conservatories, glazed façades, doors, gates and fire-protection components. Services also include bespoke fabrications and locksmithing, CAD-based planning, on-site surveying and installation.

Winkler Wil Haustechnik AG 

Wil Ag · Since 1997

The core activity of Winkler Wil Haustechnik AG encompasses the planning, implementation and maintenance of: Sanitary installations, Bathroom renovations, Repair and service work for sanitary and heating systems, Plumbing work. The company thus offers comprehensive services in the field of building technology, particularly for sanitary and heating systems, as well as for bathroom renovations and plumbing work.

Wohnkultur Miriam Schär 

Guntmadingen · Since 2001

The core activity of the company 'Wohnkultur' encompasses the areas of interior design consulting, upholstery workshop, curtain atelier and shading solutions. The company offers individual solutions for living spaces, including the manufacture and restoration of upholstered furniture, the design of curtain decorations and consulting services for interior design.

wohnwerk wauwil gmbh 

Wauwil · Since 2012

The company "wohnwerk wauwil" is a specialist in individual living solutions in the areas of flooring, curtains and upholstery. It offers consulting, planning and implementation of interior decoration projects, including the processing of various floor coverings, curtain systems and upholstered furniture.

Wolf Bodenbeläge GmbH 

Frauenfeld · Since 2009

W. Schönthal AG 

Thun · Since 1983

The core activity of W. Schönthal AG is window construction and carpentry, particularly the manufacture and installation of windows, doors and other wood products, as well as providing services in the field of window renovation, new construction and reconstruction.

W. Stecher AG 

Stäfa · Since 2010

The company's core activity is the provision of services in the field of sanitary and heating technology, including installations, service, consulting, renovations and repairs. Specifically, this includes: sanitary installations, sanitary service and consulting, heating installations, heating service and consulting, heating renovations, installation and service of heat pumps, and bathroom and shower renovations. The company thus offers a comprehensive range of services for sanitary and heating technology.

Wüst Metallbau AG 

Altstätten Sg · Since 2012

Wüst Metallbau AG is a company active nationally and internationally in steel, metal and façade construction, including metal-glass façades, locksmith work, stair construction and exhibition stand construction. Services include planning, cost estimation, in-house production and assembly of doors, windows, staircases, railings, balcony structures and canopies.

Wyss & Leuenberger AG 

Dornach · Since 2011

The company Wyss & Leuenberger AG is a specialist in the manufacture and distribution of interior fittings and furniture. The core activity includes the planning, production and assembly of office equipment, cabinets, furniture, bathrooms, kitchens, tables, doors, stairs, partition walls, wall and ceiling claddings, as well as the execution of repair and building maintenance work.

Wyss Sound 

Rotkreuz · Since 2022

Wyss Sound provides event-technology services, supplying sound, lighting and multimedia systems for concerts, festivals and corporate events. The company offers equipment rental (dry hire), rigging and stage systems, plus planning, installation and on-site technical support including venue service.

Xavier Oberson Sàrl 

Sierre · Since 1999

The core activity of Xavier Oberson Sàrl is the realization of floor coverings and systems, including screeds, floor coatings, underfloor heating, polished concrete, tiling, natural stone and insulation work. The company offers solutions for the design and execution of floor coverings that meet both aesthetic and technical requirements.

Zehnder Söhne AG Stahl- und Metallbau 

Zug · Since 1998

The core activity of Zehnder Söhne AG is metal construction, particularly the manufacture and installation of metal glazing, balcony glazing, doors, fire-resistant doors, windows, balcony extensions, stairs, canopies, bicycle shelters, railings and custom-made products.

Z Feuz Elektro GmbH 

Ennenda · Since 1999

The core activity of Z Feuz Elektro GmbH is the planning and installation of electrical, network, TV and telephone systems, as well as the specialized trade in electrical articles and the provision of services in these areas. This includes, in particular, the construction of high-voltage and low-voltage systems in new and renovated buildings, as well as in industrial plants, the repair of electrical devices and machines, and the consulting and planning of individual solutions for the communication and lighting needs of private households and companies.

Ziörjen Holzbau und Parkett GmbH 

Schönried · Since 2022

The core activity of Ziörjen Holzbau Parkett is the execution of carpentry and joinery work, particularly in the field of parquet, natural wood floors, antique wood floors, renovations, floor removal and general joinery work. This also includes planning, project management and the execution of renovation and new construction projects.

ZR Keramik GmbH 

Gossau Sg · Since 2017

ZR Keramik GmbH is a tiling company that installs tiles, slabs, mosaics and natural stone. It provides installations, renovations and repairs for bathrooms, kitchens, residential and commercial spaces, and offers project consultation.

Zuffelato + Wirrer AG 

St. Gallen · Since 1991

The core activity of Zuffelato & Wirrer AG is the selection, delivery, installation, renovation and refurbishment of floor coverings.

Zülle & Nadler AG 

St. Margarethen Tg · Since 2006

The core activity of Zülle & Nadler AG is the planning, installation and maintenance of sanitary facilities and systems for private customers and industrial buildings, including renovations, new constructions and the laying of supply lines for waterworks.

Zwahlen GmbH Bedachungen 

Grossaffoltern · Since 1996

The core activity of Zwahlen GmbH Bedachungen is the provision of services in the field of roofing, including: Roofing (new construction and renovation), Facade cladding, Repairs, service and maintenance of roofs, Installation of roof-integrated photovoltaics. The company positions itself as a specialist in these services and emphasizes its long-standing experience as a family business in its third generation.

Zweifel Ofenbau GmbH 

Wiedlisbach · Since 2013

The core activity of Zweifel Ofenbau is the manufacture, restoration and installation of individual ovens, fireplaces and fireplaces, including design, planning and implementation of customized solutions for private and commercial customers.

U. + R. Mahler Maler- und Renovationsarb. KLG 

Neftenbach · Since 2025

U. + R. Mahler Maler- und Renovationsarb. KLG provides painting and renovation services, including interior and exterior renovations and restorations. The company also offers room and lighting design, decorative finishes (patina, stucco, airbrush), artistic projects and signage.

2D-Elektro GmbH 

Volketswil · Since 2011

The core activity of 2D-Elektro GmbH is the planning, installation and assembly of electrical systems in various areas, including: installations in single and multi-family homes, equipment for medical practices, and electrification of large offices and commercial spaces. The company also provides consulting and quotes for these services and is involved in the training of apprentices in its operations.

A. Bölsterli GmbH 

Balgach · Since 2019

The core activity of Andreas Bölsterli GmbH encompasses the provision of services and works in the field of building envelope and technology, specifically: Roofing (manufacturing and renovation of roofs), sheet metal work (metalwork for roofs, facades and other building components), fall protection (installation of systems for securing roofs and facades), building services (installation and maintenance of technical systems in buildings), and gas depot (storage and distribution of gas). The company also offers consulting and planning services in these areas and strives for customer-specific and high-quality execution.