Crafts & Trades

Zulli AG 

Urdorf · Since 2017

The core activity of Zulli AG is the professional execution of natural stone work, ceramic and mosaic coverings, including planning, material selection and execution of slab coverings in interior and exterior areas.

Zumkehr AG Heizung und Sanitär 

Interlaken · Since 1988

Zumkehr AG Heizung und Sanitär is a technical office and installation company providing planning, installation and maintenance of heating and sanitary systems. Services include boiler renovations, bathroom refurbishments, solar hot-water systems, heat pumps, ground probes and a 24-hour repair service.

Zurbuchen Plattenbeläge und Ofenbau AG 

Unterseen · Since 2008

The core activity of Zurbuchen Plattenbeläge und Ofenbau AG is the planning, consulting and execution of work in the field of plate coatings, natural stone coatings, glass mosaics, oven construction, chimney construction, cladding and exterior coatings. The company also offers CAD planning and a showroom for ovens and fireplaces.

Zürcher Aquatech AG 

Sommeri · Since 1998

The core activity of Zürcher Aquatech encompasses the areas of Sanitation, Solar and Sheet Metal Work. Specifically, the company offers the following services: * Sanitation: New constructions, renovations, rainwater utilization, wastewater pumps and pressure-boosting pumps, service and maintenance * Solar: Solar water heating systems, solutions for flat roofs, pitched roofs or wall-mounted installations * Sheet Metal Work: Gutters and downspouts, façade cladding made of metal, window and chimney cladding, metal roofing, liquid membrane connections, lightning protection, repairs and maintenance * Water Supply: Laying of pressure pipes made of cast iron or plastic, repairs and maintenance of pipeline networks, hydrant maintenance The company thus offers a wide range of services in the areas of sanitation, solar and sheet metal work as well as water supply.

Zürcher Wärme 

St. Gallen · Since 2004

Zwahlen - Itel Haustechnik GmbH 

Ried B. Kerzers · Since 2010

The core activity of Zwahlen-Itel Haustechnik GmbH is the provision of services in the field of building technology, particularly in the areas of sanitary installations, water supply and heating technology. The company offers a wide range of services, including planning, installation and maintenance of sanitary facilities, heating systems and water supply systems.

MD Haustechnik GmbH 

Urdorf · Since 2025

MD Haustechnik GmbH provides sanitary and building services. Offerings include sanitary installations for new builds and renovations, system planning and repairs, boiler descaling and replacement, bathroom renovations and shower conversions, plus 24‑hour emergency service and maintenance.

AAA Sansonnens Carrelage SA 

Meyrin · Since 2016

The core activity of AAA Sansonnens Carrelage SA is the installation of various types of flooring, particularly: ceramic tiles, faience, and mosaic coverings. In addition, the company also offers other services, including: demolition of old flooring, preparation of substrates, and minor masonry work. The company is thus specialized in the installation of flooring and offers comprehensive services for renovation and new construction projects.

A. Bachmann AG 

Root · Since 1992

The core activity of A. Bachmann AG is metal processing and treatment, particularly the manufacture of metal parts and assemblies for various industries, such as the building sector (facade cladding, window, kitchen and bathroom cladding), exhaust technology (exhaust systems and individual parts) and industry (exhaust hoods). The company offers various manufacturing technologies, including laser cutting, punching, shearing, bending and welding.

Abazi Bodenisolation & Bodenheizung GmbH 

Wallisellen · Since 2022

Abazi Bodenisolation & Bodenheizung GmbH provides services for floor insulation and underfloor heating. Offerings include floor insulation, underfloor heating installation (including TABS and dry systems), planning with CAD integration, and filling and flushing of heating circuits.

ABD Haustechnik GmbH 

Wangen B. Dübendorf · Since 2012

The core activity of ABD Haustechnik GmbH is the provision of services in the field of building technology, particularly in the following three areas: 1. Sanitary: Installation, maintenance and repair of sanitary facilities and systems. 2. Heating: Installation, maintenance and repair of heating systems and installations. 3. Building maintenance: Carrying out regular maintenance and repair work on buildings and apartments.

A + B Glas GmbH 

Möhlin · Since 2005

The core activity of A+B Glas GmbH is the distribution of high-quality glass products, particularly for residential and commercial properties, including glass solutions such as glass showers, glass railings, glass doors and mirrors.

Achermann Bauspenglerei AG 

Jona · Since 2012

The core activity of the company 'Achermann Bauspenglerei AG' is the execution of roofing works, particularly in the area of flat roofs and lightning protection, as well as the performance of maintenance work.

Acklin Gebäudetechnik GmbH 

Hornussen · Since 2016

The core activity of Acklin Gebäudetechnik GmbH is the planning, coordination, implementation and maintenance of building technology, including refrigeration and HVAC systems, as well as the provision of services such as maintenance, servicing and control of systems and equipment.

Aco Team GmbH 

Netstal · Since 2017

Aco Team GmbH is a water-technology company that develops and supplies systems for collecting, conveying, treating, storing and reusing water. Its product range includes drainage channels, shaft systems, covers, separators, lifting stations, pump stations and planning and maintenance services.

ACQUATECNICA di Omar Mancassola 

Viganello · Since 2016

The core activity of Acquatecnica is the planning, installation and repair of various types of systems, including: hydraulic systems, heating systems, plumbing systems, air conditioning systems, heat recovery systems (heat pumps), water treatment systems, and solar panel installation systems. The company also offers maintenance and repair services for these systems.

Actoform S.A. 

Ecublens Vd · Since 1996

idées HOUSE is a school of architecture and interior design offering various training programs, including bachelor's and master's degree programs, continuing education courses, and workshops. The school also offers part-time training and distance learning opportunities. The company's core activity is the education and training of students in the fields of architecture and interior design.

ADESA Keramik Blakaj Enver 

Nussbaumen Ag · Since 2008

The core activity of Adesa Keramik is the manufacture and distribution of ceramic products.

A. Di Donato et Fils Sàrl 

Courtelary · Since 2003

The core activity of A. Di Donato et Fils Sàrl is the provision of services in the field of construction and renovation work, particularly in the following areas: interior and exterior painting, plastering and wall coverings, interior and peripheral insulation, and scaffolding installation. The company thus offers a wide range of services in the field of construction and renovation work and positions itself as a full-service provider for the renovation and expansion of buildings.

Adolf Müller GmbH 

Grossdietwil · Since 2007

The core activity of Adolf Müller GmbH consists of two main areas: 1. **Metal Construction**: The company offers services in the field of metal construction, including planning, production and assembly of metal structures, such as aluminum doors, windows and facades. 2. **Sheet Metal Work**: The company offers services in the field of sheet metal work, including planning, production and assembly of gutters, downspouts, base plates, claddings and coverings made of sheet metal.

Adolf Nussbaumer Fensterbau AG 

Alosen · Since 1982

The core activity of Adolf Nussbaumer Fensterbau AG is the manufacture and distribution of windows and doors, particularly wooden windows, wood-metal windows, renovation windows, parallel sliding doors and lift sliding doors.

A. & E. Geissmann AG 

Dottikon · Since 1991

A. & E. Geissmann AG provides consulting and services in switchgear construction, delivering switch and control assemblies from requirements analysis through turnkey complete solutions.

AGBAU Andreas Gassmann GmbH 

Arbon · Since 2012

AGBAU Andreas Gassmann GmbH is a general contractor specializing in conversions, extensions and renovations, providing consulting, design and construction management services. The company coordinates planning and on-site execution through a multidisciplinary team of construction professionals.

Agosti AG Die Malermeister, Zweigniederlassung Maler Coppa 

Windlach · Since 2021

Agosti AG Die Malermeister, Zweigniederlassung Maler Coppa carries out painting and restoration work and provides colour consulting. Its services include interior and exterior painting, facade renovation, wallpapering, spray lacquering, monument conservation, exposed-concrete treatments, sign painting, and small service or renovation projects for private and commercial clients and for architects.

A. Joller AG Altbausanierungen 

Kölliken · Since 2015

A. Joller AG Altbausanierungen carries out renovations, extensions and conversions, and performs plastering, tiling and masonry work. The company provides project consulting and coordination and works with a network of trade partners.

A. Kistler, Heizungen + Sanitär AG 

Schübelbach · Since 1989

The core activity of A. Kistler Heizungen + Sanitär AG is the planning, installation and maintenance of heating and sanitary systems, including floor heating, heating systems, sanitary facilities and bathroom renovations.

Aktiengesellschaft Jacques Schärer 

Linthal · Since 1978

Aktiengesellschaft Jacques Schärer provides painting, plastering and wallpapering services, and undertakes renovations, natural wood treatments, lettering and insulation work.

Albert Duttwyler-Service 

Herisau · Since 2011

Albert Duttwyler-Service is a heating services provider offering maintenance, repair and service contracts for heating and burner systems, and providing sales and consulting for heat pumps, solar/wood systems as well as oil and gas heating. The company carries out on-site repairs with equipped service vehicles and operates an emergency service.

Albert Fäh GmbH 

Lucerne · Since 2009

The core activity of Albert Fäh GmbH is the laying, renovation, maintenance and upkeep of floor coverings, in particular parquet, as well as the provision of related services such as grinding, oiling and cleaning. The company also offers consulting and sales of floor coverings and carries out work on retail spaces, gastronomic areas, office buildings and other objects.

Albert Mayer AG 

Romanshorn · Since 1961

The core activity of Albert Mayer AG is the execution of plastering work, facade work, aerogel insulation plaster, stucco work, old facade plastering and acoustic ceilings. The company thus offers a wide range of services in the construction industry, particularly in the Thurgau region and its surroundings.

Albert Stoller AG 

Reichenbach Im Kandertal · Since 1974

Albert Stoller AG is a metalwork and building-services company that designs, fabricates and installs metal and steel constructions, metal–glass elements, railings, stairs, doors and gates. The company also sells and services small equipment and provides planning, workshop fabrication and onsite installation for sanitary and heating systems, including certified Hörmann door installations.

ALCO Elektroanlagen GmbH 

St. Gallen · Since 1997

ALCO Elektroanlagen GmbH provides electrical installation and maintenance services for residential and industrial clients, including work for new builds, renovations and retrofit projects. Its services include service and upkeep, installation inspections, distribution panels and KNX controls, lighting and light design, EV charging stations, network/IP telephony, household appliances, and intercom and security systems.

ALCO Installationskontrollen GmbH 

St. Gallen · Since 2002

ALCO Installationskontrollen GmbH performs electrical installation inspections and can provide safety certificates (SiNa) when required. The company also provides electrical installations, maintenance and related services such as lighting and light design, distribution panels and controls (KNX), EV charging stations and network/IP telephony.

Alec Mégel Plattenleger 

Neuhausen Am Rheinfall · Since 2019

The core activity of Alec Mégel Plattenleger is the laying of ceramic coverings, in particular tiles and slabs, as well as related work such as demolition, tiling, masonry and grout renovation for living and bathroom areas.

Alegna AG 

Basadingen · Since 1999

The core activity of Alegna AG is the manufacture and distribution of high-quality wooden bathtubs, washbasins and furniture for the private and commercial market, particularly for hotels and spas.

ALEGO AG 

Zurich · Since 2005

ALEGO AG is a metalworking company that provides locksmithing, fire protection, repair, restoration, and maintenance services.

Alessandro Carrelages Sàrl 

Yverdon-Les-Bains · Since 2016

The core activity of Alessandro Carrelages Sarl is the planning, implementation and renovation of floor and wall coverings, particularly with tiles, mosaics, natural stone and other materials, for private and business customers.

Alexis Broquet Sàrl 

Delémont · Since 1992

Alexis Broquet Sàrl advises on, sells and installs floor coverings such as solid wood parquet, laminate, cork, vinyl, linoleum and carpet, and performs renovation and maintenance work on floors and staircases. The company operates a showroom and serves private clients, businesses and public administrations.

Alex Rénovation Sàrl 

Valeyres-Sous-Rances · Since 2020

The core activity of Alex Rénovation Sàrl is the execution of renovation and conversion work on buildings, particularly in the following areas: * Cladding (cladding of facades with wood or metal) * Roofing and waterproofing * Renovation of roof structures, roofing, waterproofing, and installation of skylights * Construction of garden sheds, garages, and facade cladding * Partitioning, wall and ceiling lining * Internal and external insulation, Fermacell cladding Thus, the company offers a wide range of services in the field of building renovation and conversion.

Alfred Moser GmbH 

Schattdorf · Since 1997

The core activity of Kaminbau Moser is the planning, construction and maintenance of chimneys, flue gas systems, ovens, fireplaces, ventilation chimneys, fire protection systems and laundry disposal systems. The company also offers services such as repairs, diagnostics, demolition and core drilling.

Alfred Sahli AG 

Kallnach · Since 1991

The core activity of Alfred Sahli AG is the provision of services in the field of building envelopes, particularly: Roofing (pitched roofs), Facade work, Photovoltaic systems, Scaffolding, Maintenance and repair of buildings. The company thus offers a comprehensive range of services for the construction, maintenance and modernization of buildings.

Algewa AG 

Walenstadt · Since 1987

The core activity of Algewa AG is the mechanical processing and manufacturing of parts as individual pieces or in small series, particularly for the areas of packaging machines, dosing systems, plant and equipment construction.

All'eau Sàrl 

Cortaillod · Since 2009

The core activity of All'eau SARL is the provision of services in the field of sanitary installations and plumbing, including the installation, maintenance and repair of sanitary facilities. The company offers its services to both private customers and property management companies, covering the entire canton of Neuchâtel.

Allemann AG Zollikofen 

Zollikofen · Since 1969

The core activity of Allemann AG is the provision of services in the field of mastic asphalt, flat roof and terrace coatings, green roofs and sealings, particularly in civil engineering and the construction industry.

Alliance plâtrerie peinture SA 

Carrouge Vd · Since 2006

The company Alliance Plâtrerie Peinture offers services in the fields of Plâtrerie (plastering) and Peinture (painting). The core activities include: Plâtrerie: manufacturing of wall and ceiling claddings, production of partition walls, production of suspended ceilings, plastering work and manufacturing of decorative elements. Peinture: painting of walls, ceilings, doors and wood claddings, application of wallpapers and fabrics, application of decorative putties and facade work. The company also provides consulting and planning for renovation projects, including energy efficiency measures and insulation.

Alplatten GmbH 

Lufingen · Since 2014

The core activity of Alplatten GmbH is the construction of modern turnkey houses in solid construction or prefabricated construction, including low-energy houses, passive houses and CLT solid wood system houses. The company also offers various services such as electrical installation, heating and plumbing, tile laying, interior finishing, painting and plastering.

alsona ag 

Beromünster · Since 2017

Alsona AG is a service company specializing in the planning, implementation and consulting of energy concepts. The core activities include the installation and configuration of photovoltaic systems, battery storage systems, generator sets and other energy efficiency solutions for various industries such as industry, commerce, agriculture, residential buildings and e-mobility. In addition, the company offers consulting and services in the field of energy efficiency and sustainability.

Alumet AG 

Dittingen · Since 1992

The core activity of Alumet AG is aluminium and metal construction, particularly in the field of door and window construction, as well as the manufacture of facades and fire protection solutions. The company offers individual solutions for private and commercial customers and places emphasis on personal advice, expertise and highest quality.

Ambühl Insektenschutz 

Russikon · Since 2005

The core activity of Ambühl Insektenschutz is the development, manufacture and installation of insect protection systems, particularly tension frames, window blinds, door blinds, revolving doors, sliding doors and light shaft covers, to protect households and businesses from insects and other unwanted intruders.

Amperio Project GmbH 

Murten · Since 2023

Amperio Project GmbH is a specialist in electrotechnical products, acting as a distributor and developer of electrical solutions. Its offerings include grounding, lightning protection, power distribution and connectivity products, serving sectors such as data centers, building, energy, industry and rail/mobility.