Crafts & Trades

Trifari GmbH 

Dulliken · Since 2020

The core activity of Trifari GmbH is the provision of painting and coating services, including interior painting, exterior painting, carpentry, varnishing, plastering, wallpapering, monument preservation/conservation and decorative techniques.

TRISCONI-ANCHISE S.A. 

Vionnaz · Since 1998

TRISCONI-ANCHISE S.A. manufactures custom furniture and provides carpentry and cabinetmaking services, including interior fittings. Offerings include bespoke kitchens and bathrooms, doors, parquet and a project gallery.

Trütsch Fenster AG 

Ibach · Since 2008

The core activity of Trütsch Fenster AG is the manufacture and distribution of windows, sliding doors and glazing in various executions, including wood-metal windows, wood windows, sliding doors, front doors and historic preservation windows, as well as the provision of services such as glazing and carpentry.

TSS, Türen-Service-Schötz AG 

Schötz · Since 2019

The core activity of TSS Türen-Service-Schötz AG is the renovation and modernization of various elements in living spaces, particularly: doors (including front doors), windows, kitchens, stairs, ceilings, storage solutions, radiator covers, and insect screens. The company offers consulting, planning, and implementation of renovation projects and is part of the PORTAS network, a European-wide provider of renovation solutions.

UB Umbau-Service AG 

Bern · Since 1999

The core activity of UB Umbau-Service AG encompasses the areas of renovation, refurbishment and modernization of buildings. The company offers a comprehensive range of services, from preparation of work to technical development and realization to turnkey construction. The specific services include, among others: masonry work, ceramic wall and floor coverings, demolition, drilling and cutting, transportation and skips, plastering, wet and dry construction, stonework and facade renovations, and concrete cutting. Thus, the company offers a comprehensive overall package for every renovation, from simple small projects to complex large-scale renovations.

Uldry Cuisines SA 

Vevey · Since 2012

The core activity of Uldry Cuisines SA is the planning, consulting and sale of kitchens, including the selection of materials and the creation of individual kitchen concepts.

UNIVERSAL PORTES SA 

Cugy Fr · Since 2005

UNIVERSAL PORTES SA supplies and installs interior doors, entrance doors, wardrobes and other general joinery, and designs and manufactures made-to-measure products.

Urba Sanitaire - Treyvaud Philippe 

Arnex-Sur-Orbe · Since 2023

The company's core activity is the installation, maintenance and repair of sanitary facilities, heating systems and air conditioning systems, with a particular focus on energy-efficient heat pumps. The company also offers emergency services and consulting for customers in the Orbe region and throughout Western Switzerland.

Viamala Haustechnik GmbH 

Thusis · Since 2016

Viamala Haustechnik GmbH is a building‑services company for sanitary, heating and ventilation systems that provides installation, maintenance and repair services. The firm offers system advice, works on new builds and renovations, handles damage remediation and coordinates with partner trades, and advertises a 24‑hour emergency service.

Viamala Haustechnik GmbH 

Chur · Since 2023

Viamala Haustechnik GmbH provides installation, repair and maintenance services for sanitary, heating and ventilation systems in new construction and renovation projects. The company offers consultation, project support, a 24-hour emergency service and coordination with partner trades.

VI Kundenmaurer GmbH 

Dulliken · Since 2021

The core activity of the company 'VI Kundenmaurer' consists of providing masonry services and related services for private customers, particularly in the areas of: environmental work (design and maintenance of seating areas, terraces, garage forecourts, driveway entrances, path grading and repair), new builds and conversions (construction of extensions, conversions of living spaces), customer work (repair and renovation of walls, chimneys, kitchen units, etc.) and clearances of all kinds (clearance and disposal of cellar rooms, houses, etc.). The company thus offers a comprehensive range of masonry services and related services for private customers.

Vitrerie Crettenand SA 

Vétroz · Since 2013

The core activity of Vitrerie Crettenand SA is the manufacture and distribution of glass and mirror products, including the production of custom-made glass and mirrors, as well as the provision of services in the field of glass and mirror processing, such as glass replacement.

von Ins Sanitär und Heizung AG 

Rupperswil · Since 2016

The core activity of Ins AG's business is the planning, installation, maintenance, expansion and repair of building technology systems, particularly in the areas of: Sanitary technology (sanitary installations), Heating technology (heating systems), Ventilation technology (ventilation systems) and Piping technology (pipework). The company also offers a repair service for these systems.

V. Proietto GmbH 

Füllinsdorf · Since 2002

The core activity of V. Proietto Storen GmbH is the manufacture, sale and repair of awnings, roller shutters, window shutters, interior shading and insect screens, as well as the control of such systems. The company offers a wide range of products that provide protection against overheating, visual protection and other functions.

Wächter Maler und Montageservice 

Bözen · Since 2024

The core activity of Wächter Maler und Montageservice encompasses the provision of skilled craft services in the areas of: interior and exterior painting, wallpapering, plastering and drywall construction, facade and crack renovation, and the assembly of new furniture. Thus, the company offers a wide range of services in the construction and renovation sector, with a focus on skilled craftsmanship.

Walter Lanz AG 

Lengnau Be · Since 1984

The core activity of Walter Lanz AG is the provision of painting and plastering services, including project consulting, estimation, renovation, conversion, refurbishment, facade and interior construction, as well as maintenance of real estate.

Wey Sanitär/Heizungs AG 

Beromünster · Since 2006

The core activity of Wey Sanitär/Heizungs AG is the planning, implementation, maintenance and repair of sanitary installations and heating systems, including water supply for the municipality and corporation of Beromünster. The company also offers services such as emergency services, renovation of bathrooms and heating systems, as well as consulting and implementation of environmentally friendly heating solutions.

wigART AG 

Buttisholz · Since 2003

The core activity of wigART AG is the planning, consulting and execution of winter gardens, seating area, terrace and balcony glazing, as well as the manufacture and installation of glass roofs, canopies, shading systems, sight and wind protection systems, and the distribution of windows.

Wirth Gebäudetechnik AG 

St. Gallen · Since 1997

The core activity of Wirth Gebäudetechnik AG is the planning, installation and renovation of sanitary and heating systems in industrial and residential buildings, for both new constructions and renovations.

WOHN AMBIENTE GmbH 

Frick · Since 2009

The company "Wohn Ambiente" primarily focuses on the design and furnishing of living spaces. The core activities include: Consulting and planning of living space designs, color design and decoration, curtain and textile consulting, sales of home accessories such as kitchen textiles, sofa cushions, bedding and table linen, as well as the exhibition and sale of high-quality accessories for bathrooms and gardens. The company also offers a boutique where customers can get inspired and receive advice.

Yves Münger GmbH 

Balterswil · Since 2017

Yves Münger GmbH provides electrical installation services including maintenance and repairs, planning and execution of new-builds and renovations. Its services include building automation (Loxone, KNX, Digitalstrom), network and telephony installations, WLAN, lighting and industrial wiring, and e‑mobility charging stations.

Zehntner Elektro AG 

Pratteln · Since 1993

Zehntner Elektro AG provides electrical installation, maintenance and service as well as planning and consulting for building projects. Its services include electrical inspections, building automation, communication systems, e-mobility charging solutions, device testing and photovoltaic system installation.

ZUBAG Wintergärten Metallbau AG 

Gommiswald · Since 2014

The core activity of ZUBAG Wintergärten-Metallbau AG is the planning, manufacture and installation of winter gardens, balcony and patio glazing, glass roofs, pergolas, window fronts, sunshades and other metal constructions, including the renovation and maintenance of these facilities.

Breitenstein Fassaden AG 

Zug · Since 2025

Breitenstein Fassaden AG designs and constructs mechanically fixed, ventilated natural stone façades for masonry, small-format and large-format applications. The company uses its self-developed, patented StoneFix façade system.

Abazi - S. 

Gland · Since 2011

The core activity of Abazi Saip is the provision of services in the field of sanitary and plumbing work. This includes in particular: installation, renovation and maintenance of sanitary facilities, emergency services (24/7) for sudden problems with sanitary facilities, creation, transformation and renovation of bathrooms, and rapid intervention in case of sudden plumbing problems. The company offers its services in the region around Gland in the canton of Vaud.

Adelec SA 

Lausanne · Since 1994

The core activity of Adelec SA is the planning, installation and maintenance of electrical systems, including: high-voltage systems (industrial, residential, office and commercial), low-voltage systems (telephone, universal cabling and multimedia networks), telecommunications systems (domotics systems), security and alarm systems, and periodic inspections of electrical systems. The company also offers comprehensive services for the planning and execution of construction projects, including the creation of plans and the coordination of work.

Aebischer AG 

Plaffeien · Since 1983

The company is a construction company specializing in the planning, execution and renovation of construction projects. The core activities include the use of special machines, such as excavators and cranes, as well as the implementation of construction projects, including the renovation of listed buildings. The company also offers services such as occupational safety courses and operates a fleet of vehicles.

AERIMPIANTI SA 

Sorengo · Since 1980

AERIMPIANTI SA designs and supplies electronic control units, printed circuit boards and systems for air conditioning, heating and refrigeration. The company carries out production, installation and testing of HVAC components, including regulation of humidity, airflow, filtration and energy consumption.

Akermann Electro Controlling GmbH 

St. Gallen · Since 2004

Akermann Electro Controlling GmbH provides electrical installation services and delivers consulting, planning and implementation in building automation, IT/network infrastructure, photovoltaic systems, EV charging stations, multimedia, telematics and security/surveillance for residential and commercial clients.

AK Sonnenschutzfolien K. Aegerter 

Cham · Since 2013

The core activity of AK Sonnenschutzfolien is the consulting, planning and installation of various types of protective films for buildings, specifically: sun protection films, glare protection films, sight protection films, break-in protection films, UV protection films, splinter protection films/safety films, bird strike protection films, and scratch-graffiti protection films. The company offers these services throughout Switzerland and focuses on optimizing the protection of houses, apartments, offices and industrial facilities against heat, glare, unwanted views, UV radiation and break-ins.

ALPHA Glas GmbH 

St. Gallen · Since 2002

The company is a glazing company specializing in the planning, consulting and installation of glass applications. The core activities include the manufacture and repair of glass products, as well as consulting and supplying glass solutions to customers.

Alphaverre SA 

Echallens · Since 1985

The core activity of Alphaverre is the manufacture, processing and assembly of glass products for interior and exterior use, including windows, doors, facades, verandas, stairs, glazing, glass showers, glass walls and other glass applications. The company also offers services such as consulting, design and installation of glass solutions.

AlpinElektro AG 

Gstaad · Since 2013

AlpinElektro AG provides electrical installation and planning services and executes projects ranging from simple alpine huts to chalets. Its services include telematics, building automation, electrical inspections and appliance service and maintenance.

Alpstein Kälte AG 

Appenzell Steinegg · Since 1990

Alpstein Kälte AG provides refrigeration and climate-control solutions including design, installation, maintenance and repair of refrigeration and air-conditioning systems, as well as 24/7 emergency service. Product and service offerings include climate units, custom cold rooms, shop refrigeration, katafalk cooling systems and rental of refrigerated trailers.

Altherr Gossau AG 

Gossau Sg · Since 2010

Altherr Gossau AG carries out building-envelope work including roofing, façades, waterproofing, sheet-metal work and lightning protection. The company designs and installs photovoltaic systems (in-roof and on-roof), and provides scaffolding, crane work and transport, building maintenance, construction management and energy consulting, plus drone imaging and system monitoring.

Altherr Urnäsch AG 

Urnäsch · Since 2001

Altherr Urnäsch AG is a building-envelope company providing roofing, facade construction and waterproofing services. Its offerings include sheet‑metal and lightning‑protection work, photovoltaic systems (in‑roof and on‑roof), scaffolding, crane work and transport, as well as project management and energy consultancy.

AM-Holzbau & Bedachungen AG 

Embrach · Since 1990

The core activity of AM Holzbau & Bedachungen AG is the execution of timber construction and roofing work, including conversions, renovations, facade work, terrace floor work, dormer and skylight work, conventional timber construction, element construction, interior finishing, planning, roofing work, tiling with tiles or eternit, solar systems and repairs.

Amhof Maler AG 

Hitzkirch · Since 2000

The core activity of Amhof Maler AG is the painting trade, including decorative work, spray work and coatings in construction, for carpenters, industry and private customers.

Ankli Haustechnik AG 

Stein Ag · Since 1973

The core activity of Ankli Haustechnik AG is the planning, installation, maintenance and repair of heating, plumbing and metalwork for house building and building technology.

Applicasa Malergeschäft GmbH 

Magden · Since 2024

The core activity of Applicasa Maler is the provision of painting and plastering services, particularly: interior and exterior painting work, minor plastering work, decorative work such as Stucco Veneziano, glazing technique and modeling plaster, finishing work and various substrate preparations such as mold treatment and removal of old coatings. The company focuses on quality, color harmony and sustainability, and prefers sustainable products based on minerals or silicates.

Aquatherm Courroux Sàrl 

Courroux · Since 2018

The core activity of Aquatherm Sàrl is the provision of services in the fields of heating, sanitary technology and renewable energies.

Arpagaus Storen GmbH 

Dietfurt · Since 2019

The core activity of Arpagaus Storen GmbH is the planning, consulting, delivery and installation of sun and weather protection solutions, including awnings, roller shutters, sun awnings, sun sails, window shutters, sun umbrellas, insect screens and indoor products.

artmodern montagen GmbH 

Goldach · Since 2006

The core activity of artmodern includes metal construction, glass construction and the realization of individual garden projects.

ART NOBLE Agencements Sàrl 

Rossens Fr · Since 2014

The core activity of Art Noble is providing services in the field of joinery, including the manufacture and installation of windows, doors, interior fittings and other woodwork, for both private and professional clients in the Fribourg region, Switzerland.

A-Team Malergeschäft Oliver Arnold 

Adliswil · Since 2008

The company is a painting and plastering company that specializes in the execution of painting and plastering work. The company's core activity includes carrying out work such as painting, plastering, renovating and restoring buildings and rooms.

Ateliers de Chandoline SA 

Sion · Since 1964

The core activity of Ateliers de Chandoline SA is industrial sheet metal work, particularly the processing and treatment of metal sheets (toles) made of steel, stainless steel and aluminum. This includes various services such as turning, cutting, bending and shaping of metal sheets, as well as the production of various products such as gates, balustrades and other metal parts. The company has modern machinery and equipment, such as lathes, cutting machines, bending machines and laser cutting machines, to offer these services.

Bächler Sanitär GmbH 

Boswil · Since 2022

The core activity of Bächler Sanitär GmbH is the provision of services in the sanitary sector, including consulting and execution of sanitary projects.

Badasci Fabio Sagl 

Gordola · Since 2011

The core activity of Badasci Fabio Sagl is the planning, installation and maintenance of various types of plants and systems in the field of building technology, including: sanitary installations, heating systems, solar systems, air conditioning systems, ventilation systems, pool installations, maintenance and repair of existing systems, as well as consulting and support for the transition to renewable energies. The company also offers services in the field of building renovation and new construction, as well as apprenticeship training.

badfabrik49 robert bützberger 

Füllinsdorf · Since 2011

badfabrik49 robert bützberger provides bathroom design services including personal consultation and 2D/3D-supported planning. Services include material and product selection, coordination of trades and installation, and for larger projects also construction management and dealings with authorities.

Berger AG 

Bern · Since 1933

Berger AG provides heating, sanitary and utility-line construction services, carrying out new installations as well as maintenance and repair work on existing systems.