Crafts & Trades

J. Baer Heizungsservice GmbH 

Duggingen · Since 2011

The core activity of J. Baer Heizungsservice GmbH is the service, renovation and repair of heating systems, as well as the provision of alternative energies for private households, apartment buildings, nursing homes and schools. This includes in particular the troubleshooting of heating systems, the adjustment of components for energetically optimal operation, and the performance of repairs and maintenance on all types of heating systems.

J-B GRIVEL & FILS SA 

Grolley · Since 1987

The core activity of J-B GRIVEL & FILS SA is the installation, maintenance and repair of heating systems, including boilers, burners, heating oil tanks and chimneys. The company also provides services in the field of energy production through solar energy.

Jeker Bedachungen Holzbau AG 

Büsserach · Since 2023

The core activity of Jeker Bedachungen Holzbau AG is the provision of services in the areas of roofing, timber construction, facade cladding and element construction. The company positions itself as a partner for these specific construction services in the Laufental, Thierstein and Dorneck regions.

JHM Immobilien AG 

Männedorf · Since 1980

The core activity of J. Huber Ing. AG is metal and steel construction, including the planning, design, manufacture and assembly of various metal products such as railings, stairs, doors, windows, balconies, glass roofs, car shelters, switch and security systems, lantern-style lighting fixtures, information systems and object artworks. The company also offers contract manufacturing and apprenticeships in these areas.

J. Kappeler SA 

Grand-Lancy · Since 1982

The core activity of J. Kappeler S.A. is the planning, installation and maintenance of electrical systems, including: electrical installations (high and low current), home automation and building automation, security systems (person and property security), IT networks, photovoltaic systems and charging stations for electric vehicles, measurement of electromagnetic pollution, and maintenance and repair of electrical systems. The company offers these services to various customers, including businesses, administrations and private households, in the Geneva region.

JL Bedachungen & Spenglerei GmbH 

Basel · Since 2019

JL Bedachungen & Spenglerei GmbH is a roofing and sheet-metal company that installs and repairs pitched, flat and slate roofs and carries out copperwork. Services include roof renovations, repair and maintenance, roof inspections, roof windows (Velux) and solar technology for new builds, renovations and conversions.

Johann Mathis 

Bad Ragaz · Since 1975

Johann Mathis is a painting and plastering business offering colour consultancy, interior and exterior painting, wallpapering, signage, natural wood treatments, stucco and texture techniques, and rendered external thermal insulation.

Jotterand Sols 

Apples · Since 2005

Jotterand Sols sells and installs floor coverings, including parquet, laminate, cork, carpet, linoleum, PVC, cushion vinyl, rubber and terrace decking.

Jünger + Gräter Schweiz GmbH 

Hornussen · Since 2009

Jünger + Gräter Schweiz GmbH is a subsidiary of the Jünger+Gräter Group that supplies refractory engineering products and services, including engineering, installation and inspection for industrial furnaces and incineration plants. Its offerings cover consulting, material supply, dry-heating, endoscopy and drone inspections, with focus areas such as biomass/wood combustion and waste/sludge incineration.

KeenDesign Sàrl 

Les Diablerets · Since 2021

KeenDesign Sàrl is an interior design studio focused on the planning and renovation of residential and commercial spaces. The company provides services from concept development and technical design to project coordination and execution.