Crafts & Trades

Koller Elektro AG 

St. Moritz · Since 2000

Koller Elektro AG is an electrical installation and services company. It provides electrical installations and planning, smart‑home and building automation, switchboard manufacturing, safety and lighting planning, multimedia and professional audio/video and event-technology services, plus Miele appliance sales and service and telecommunications support.

Konsolen AG 

Ziefen · Since 1960

The core activity of Konsolen AG is the development, manufacture and marketing of steel and metal consoles and structures, particularly for building services engineering, as well as providing services in the field of steel and metal construction, including welding and laser technology.

Köstinger AG Felsberg 

Felsberg · Since 1991

Köstinger AG Felsberg supplies, advises on and installs floor coverings including parquet, laminate, cork, linoleum, vinyl and other synthetic floors, carpet and design floors. The company performs parquet installation and floor renovation work, offers project management and presents sample collections for selection.

Kratzer Keramik 

Kreuzlingen · Since 2021

The core activity of Kratzer Keramik is the laying of tiles, plates and mosaics.

Krieg Electricité Sàrl 

Lignières · Since 2004

The core activity of Krieg Électricité Sàrl is the planning, installation, and maintenance of electrical systems, security systems, telecommunications systems, and photovoltaic systems for private and business customers in the canton of Neuchâtel and the Jura Bernois. The specific services include: Electrical installations (high and low voltage systems, switchgear, electric vehicle charging stations), Domotics installations (KNX and My-Home systems), Telecommunications systems (fiber optic cables, RJ45 cables, multimedia cables, intercom and videophone systems), Security systems (lightning protection, fire alarm systems, intrusion detection systems, access control systems), and Photovoltaic systems (solar systems for home use). The company also offers consulting services to support customers in optimizing their energy consumption and security systems.

KUBE HAUSTECHNIK GMBH 

Gais · Since 2018

The core activity of KUBE Haustechnik GmbH is the execution of sanitary and heating installations, including renovations and new constructions, as well as the maintenance and repair of existing systems.

Kühne Wärmetechnik GmbH 

Schänis · Since 2013

Kühne Wärmetechnik GmbH provides heating and burner services, including maintenance and commissioning of heaters, burners and control systems for various heating technologies. Services include heating installations, heat pump service, chimney and stove construction, chimney sweeping, and a 24‑hour emergency service.

Kummler + Matter AG 

Dällikon · Since 1999

Kummler + Matter AG is a system partner for electrification of tram, trolleybus and rail, providing products and system solutions in overhead contact line technology. The company develops and markets a range of overhead-line products (e.g. KUMOTION charging point, KUPRO de-icing system, KUSEC section isolators, KUCO pantograph head) and supports projects from planning and system engineering through professional installation.

Kummler + Matter AG 

Le Mont-Sur-Lausanne · Since 2014

Kummler + Matter AG is a system partner for the electrification of trams, trolleybuses and rail, providing products and system solutions for overhead line and charging infrastructure. The product range includes the KUMOTION charging point, the KUPRO de-icing system, the KUROOF single-wire funnel and an online catalogue of Swiss Made products.

Küng Raumgestaltung GmbH 

Reiden · Since 2012

Küng Raumgestaltung GmbH supplies interior furnishing products and services, including curtains, floor coverings and bedding such as duvets and pillows. The company provides individual consulting for renovation projects, sells cleaning and care products and operates a drop-off service for textile care and dry cleaning.

Kunz AG Gipsergeschäft 

Neuenkirch · Since 2012

The core activity of Kunz AG Gipsergeschäft is the execution of plastering work in interior and exterior areas, including facade construction, insulation, plastering, renovation, drywall construction and stucco, particularly in new buildings, conversions and renovations.

Kurt Betschart AG 

Zurich · Since 1973

The company's core activity is carpentry, particularly: renovation and refurbishment of old buildings, custom-made furniture and built-in units, repairs and maintenance services, and specialized products such as cat doors, cat spiral staircases, insect screens and terrace floors. The company also offers specialized services including the distribution and installation of cat accessories, insect screens and terrace floors.

Kurt Felber Bedachungen & Fassadenbau 

Weiach · Since 1991

The core activity of Felber-Bedachungen-und-Fassadenbau is the provision of services in the field of roofing and facade construction for private customers and companies.

Kurt Forster AG 

Berneck · Since 1989

The core activity of Kurt Forster AG is the precise processing of sheet metal, particularly metalworking, where the company offers individual metal processing solutions for various industries, such as the construction industry and the medical industry.

KÜSE'S HOLZWERKSTATT AG 

Ostermundigen · Since 2023

The core activity of the company "KÜSE'S HOLZWERKSTATT AG" encompasses planning, consulting and execution of work in the field of windows, doors, floors and repair work, including: sale and installation of windows (plastic, wood-aluminum, composite windows, etc.); sale and installation of front doors (aluminum, wood-aluminum front doors, lift-and-slide doors, etc.); manufacturing and renovation of parquet and laminate floors; performance of repair and maintenance work (minor repairs, burglary protection, etc.); and a 24-hour emergency service. The company positions itself as a specialist in these services and emphasizes the importance of personal, flexible and customized consulting and execution.

Labille SA 

Donneloye · Since 2015

The core activity of Labille SA is the provision of services in the field of wood processing, particularly in joinery (carpentry) and carpentry (roof and timber framing). The company offers a wide range of services, including: planning and execution of wood construction projects (e.g. roof trusses, stairs, doors, windows); interior finishing and renovation of buildings; manufacture of custom-made furniture and wood objects; assembly and installation of wood structures; and consulting and planning of wood construction projects. The company focuses on the processing of wood and its derivatives and offers its services to both private and commercial customers.

Lama Haustechnik GmbH 

Volketswil · Since 2018

The core activity of Lama-Haustechnik GmbH is consulting, planning and executing projects in the areas of sanitation, heating and ventilation. Specifically, this includes: Sanitation: renovations, bathroom and kitchen conversions, new buildings, pipe renovations, decalcification systems and boiler decalcification; Heating: consulting, planning and execution of heating systems, heat pumps, solar systems, gas heating, oil firing, heating flushing and boiler renovations; Ventilation: consulting, planning and execution of ventilation systems, controlled residential ventilation, bathroom/ WC exhaust and maintenance and service contracts. The company also offers maintenance and service contracts for all three areas and provides 24/7 emergency support.

Langenegger Heizungen GmbH 

Lutzenberg · Since 2021

The core activity of Langenegger Heizungen is the planning, installation, maintenance and repair of heating systems, including heat pumps, solar energy, wood, pellet and chip heating systems, oil and gas heating systems as well as oil and gas burners. Additionally, the company also offers the installation and maintenance of central vacuum cleaner systems.

Langensand Fenster AG 

Fischingen · Since 2014

The core activity of Langensand Fenster AG is the manufacture and installation of windows and doors, particularly wooden windows and wood-metal windows, as well as the provision of carpentry services and services in the field of window construction, including restorations and renovations in the field of monument preservation.

LASAVE AG 

La Punt Chamues-Ch · Since 1978

LASAVE AG supplies natural stone and ceramic slabs and provides consulting, fabrication, finishing and installation services for residential and commercial projects. The company operates a showroom, offers bespoke and restoration work, and distributes stone-care products (e.g. Lithofin).

Laserjet 2000 AG 

Bösingen · Since 1989

Laserjet 2000 AG provides CNC laser and waterjet cutting services and sheet metal processing. Services include cutting, bending, welding, milling, grinding, engraving and film cutting; the company processes steel, stainless steel, metal alloys, plastics, wood, rubber, leather and glass, performs most work in-house and can deliver installation-ready products (certificates SQS/IQNet/SwissTS available for download).

L.A. Toiture SA 

Arnex-Sur-Orbe · Since 2006

The core activity of L.A. Toiture SA encompasses the planning, execution and maintenance of roofing and facade work, including: sheet metal work for roofs and facades, roofing, insulation of facades and roofs, installation of photovoltaic systems, construction of facades, including ventilated facades, installation of windows, doors, shutters and other sun protection systems, performance of maintenance and repair work on roofs and facades, and execution of rope access work (work at heights). The company thus offers a comprehensive range of services for the design and maintenance of building envelopes.

Latzer Bodenbeläge GmbH 

Wittenbach · Since 2013

Latzer Bodenbeläge GmbH is a specialist company for floor coverings, offering services in the areas of consulting, planning and execution of floor covering work. The core activity includes the installation and repair of various types of floor coverings, such as parquet, carpet, laminate, cork and hard flooring.

Lauffer-Borlat réalisation SA 

Chailly-Montreux · Since 2020

Lauffer-Borlat réalisation SA is a family-owned company specialising in heating, sanitary and ventilation installations. It provides energy-advice, project planning, installation work and repair/emergency services for building projects.

Lauffer - Borlat SA, succursale de Lausanne 

Lausanne · Since 2001

Lauffer - Borlat SA, succursale de Lausanne provides planning, installation and maintenance services for heating, sanitary and ventilation systems, including diagnostics, boiler and burner work and emergency repair services.

Lauffer - Borlat SA 

Chailly-Montreux · Since 1970

Lauffer - Borlat SA is a family-run company that designs, installs and services heating, sanitary and ventilation systems. It advises clients on suitable energy solutions and provides maintenance and emergency repair (dépannage) services.

Laurent Delavy, successeur de René Delavy 

Martigny · Since 2014

The core activity of Delavy et Fils is interior decoration, particularly the manufacture and repair of furniture, the creation of curtains and upholstery, as well as the selection and processing of fabrics for these purposes.

Lehmann Teppich AG 

Abtwil Sg · Since 1989

The core activity of Lehmann Teppich AG is the consulting, sales and installation of floor coverings, sleeping and living accessories, in particular: floor coverings (parquet, carpet, cork, plastic floors, laminate), sleeping accessories (bedding) and living accessories (curtains, curtain systems). The company also offers comprehensive consulting and installation of the products to create an individual living and sleeping environment for its customers.

LEIMTECH GmbH 

Gähwil · Since 2008

The core activity of Leimtech GmbH is the manufacture and supply of laminated window frames, door frames and solid wood panels for stairs, window sills, facades and furniture, as well as the creation of custom cuts on request.

L'étof'fée Sàrl 

Leytron · Since 2011

The core activity of the company "L'étof'fée Sàrl" consists of the manufacture and distribution of products for interior decoration, in particular: custom-made curtains and drapes, blinds and shades (pleated, slatted, roller, etc.), Japanese partitions, upholstery of furniture, production of textiles such as tablecloths, cushions, etc., and consulting and planning of interior decoration projects. The company offers its services to both private and professional customers (institutions).

Leuenberger Metallbau AG 

Lützelflüh-Goldbach · Since 1995

The core activity of Leuenberger Metallbau AG is the planning, manufacturing and installation of metal and glass structures, including doors, gates, windows, railings, canopies, conservatories, facades, steel constructions, carports, balconies, stairs, pergolas, steel constructions, design elements and other metal and glass products for the construction and real estate market.

Leupi Haustechnik AG 

Winikon · Since 2011

The core activity of Leupi Haustechnik AG is in the field of building technology, particularly in the areas of: Sanitary: new construction, renovation, refurbishment, repair service, water treatment, boiler decalcification/replacement, industrial pipes, water and compressed air installations; Heating: new construction, renovation, refurbishment, heat pumps, oil, wood, gas and pellet heating systems, thermal solar systems; Ventilation: controlled residential ventilation, bathroom and toilet ventilation systems, kitchen exhaust ducts. The company thus offers comprehensive services for the installation, maintenance and repair of building technology systems.

L. Henry SA, successeur Marcos Garcia Garrido 

Villeneuve Vd · Since 2018

The core activity of L. Henry SA is the installation, maintenance and repair of heating and sanitary technology. The company offers services such as consulting, planning, installation and repair of heating and sanitary systems and has 50 years of experience in this field.

Lilian Mandingorra Living Room GmbH 

Basel · Since 2020

The company 'Living Room' offers services in the field of residential consulting and design. The core activities include: Consulting on the selection of colors, wallpapers and fabrics for living spaces, Designing living spaces taking into account Feng Shui principles, Sales of wallpapers, fabrics and other home accessories, Conducting workshops and events on topics such as residential consulting and Feng Shui. The company aims to support customers in creating cozy and harmonious living spaces.

LoLa Elektro GmbH 

Effretikon · Since 2010

The core activity of LoLa Elektro GmbH is the installation of high and low voltage systems, safety consulting and control in the field of electrical systems and equipment, as well as the sale of electrical appliances and accessories.

Loner GmbH Ofenbau und Plattenbeläge 

Mollis · Since 2013

The core activity of Loner GmbH is the manufacture and construction of ovens and fireplaces, as well as the installation of tile coverings.

Loosli Küchenbau + Innenausbau AG 

Neuenkirch · Since 2003

The core activity of Loosli Küchenbau & Innenausbau AG is the manufacture and sale of custom-made interior fittings, particularly kitchens, as well as the creation of individual living design and furniture. The company also offers services in the field of interior design for commercial and hotel spaces.

Lorenz Grimmer Schlosserei 

Winterthur · Since 2015

Lorenz Grimmer Schlosserei manufactures and processes stainless-steel components for cargo trailers and assembles the spaceframe structures used in polyroly products. The workshop performs metalworking operations such as bending, laser cutting, component finishing and custom fabrication.

LP Intérieur Sàrl 

Lausanne · Since 2021

The core activity of LP Interieur is the planning, design and implementation of interior designs for residential, hotel and commercial properties. The company offers individual solutions tailored to the needs and wishes of its customers, combining traditional craftsmanship with modern techniques.

LS-Elektro GmbH 

Weesen · Since 2017

The core activity of LS-Elektro GmbH is the planning, installation and control of electrical and telephone systems in new and renovation projects, including the supply and installation of household appliances. This also includes safety checks and the implementation of fire alarm and burglar alarm systems.

LTM Martino AG 

Bösingen · Since 1995

The core activity of L.T.M. Martino AG involves providing services in the fields of painting and plastering. Specifically, the company offers the following services: Painting: interior and exterior painting, magnetic paint, electromagnetic shielding, facade work; Plastering: interior and exterior plastering, stucco, lightweight construction, ceiling and wall systems, facade rendering, exterior insulation, renovations; Spray booth: coating of doors, windows, wood parts, metals, plastics; 5G and WLAN protection: protection against mobile phone radiation and electromagnetic pollution through shielding with high-performance shielding paint or GPA-reinforced plaster fabric.

Lüber Haustechnik GmbH 

Arnegg · Since 2020

The core activity of Lüber Haustechnik GmbH is the planning, installation, maintenance and repair of sanitary installations, particularly in the areas of bathrooms and kitchens, for single-family and multi-family homes as well as for industry and agriculture.

Luc FAVRE & CIE Sàrl 

Chamoson · Since 1999

The core activity of Luc Favre & Cie Sàrl is the installation and servicing of sanitary facilities, heating systems, sheet metal work (including roofing and cladding) and roofing (couverture) for new constructions and renovations of residential and commercial buildings.

Ludovic Maurer Sàrl 

La Chaux-De-Fonds · Since 2006

The company's core activity consists of carrying out carpentry work, in particular the manufacture and renovation of roof trusses, the installation of roofing, and the production and installation of doors, windows and other wooden structures.

Lugon Assèchement Sàrl 

Martigny · Since 2018

The core activity of Lugon Assèchement Sàrl is specialized in sanitation and drying, particularly in relation to water damage and leaks. The company offers services such as locating and repairing potential and existing leaks, as well as carrying out processes after damage has occurred.

Lütolf Teppich + Bodenbeläge GmbH 

Wettingen · Since 1996

The core activity of Lütolf Teppich + Bodenbeläge GmbH is the consulting, planning and installation of floor coverings, carpets, curtains, home textiles and shading systems for residential and commercial spaces. The company also offers interior design services and products to support customers in realizing their desired projects.

Luwa Air Engineering AG 

Uster · Since 2004

Luwa Air Engineering AG designs and supplies systems and components for humidity and temperature control, dust and fibre collection, and filtration in industrial processes. Its product and service range includes filters and fans, air‑conditioning and humidification units, control systems and maintenance/service offerings.

LYLO GmbH 

Zurich · Since 2023

The core activity of LYLO Maler & Interior Design GmbH is the provision of painting services and interior design services. Specifically, this includes: Painting services: painting, wallpapering, decorating and wall design inside and outside Interior design services: consulting, room design, selection of furniture and accessories, color palette and lighting The company offers these services both separately and in combination and is aimed at private customers who want to design or renovate their living spaces.

Mahdi Heizungen GmbH 

Köniz · Since 2018

The core activity of Mahdi Heizungen GmbH is the planning, installation, maintenance and repair of heating, solar and air conditioning systems, as well as consulting and customer care in these areas.

Maintenance Zenuni 

Léchelles · Since 2024

The core activity of Maintenance Zenuni is to provide services in the field of heating, sanitation and ventilation for single-family homes and rental buildings. This includes in particular: Installation, maintenance and repair of heating systems; Installation and maintenance of sanitary facilities, including pipes, bathroom installations and drinking water networks; Installation and maintenance of ventilation systems to ensure a healthy indoor air quality; Regular maintenance and a reactive after-sales service to ensure the longevity of the systems.