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GCL Garage Carrosserie Lonay SA 

Lonay · Since 1993

GCL Garage Carrosserie Lonay SA provides vehicle bodywork and mechanical workshop services, including dent repair, painting, windscreen and glazing replacement, and routine maintenance for multiple car brands. The company also offers wheel repair, wheel storage and replacement vehicles.

Gemmes-Tech SA 

Lonay · Since 1987

Gemmes-Tech SA specializes in sourcing and processing rare minerals such as gemstones, ornamental stones, meteorites and mother-of-pearl. The company supplies materials and processed components to the jewellery and watchmaking sectors and maintains an online catalogue of its references.

Grasso Sàrl 

Lonay · Since 2014

The core activity of Grasso Sàrl is the provision of services in the field of horticulture and landscape maintenance, including: park and garden maintenance, green space design and construction, paving, fencing and enclosure installation, stone wall construction, playground installation, creation of terraces and pool borders, and slate slab paving. The company thus offers a wide range of services to support customers in the design, maintenance and upkeep of their outdoor spaces.

Grey Wolf Productions Sàrl 

Lonay · Since 2010

The core activity of Grey Wolf Productions is the creation of commercial films and the development of communication strategies. This also includes services such as documentary film production, film lighting, graphic design, 2D and 3D animation, editing and motion graphics.

GT Applications SA 

Lonay · Since 2020

GT Applications SA is a partner to dialmakers in the production of appliqués and microtechnical components for the Swiss watch industry. The company develops, designs, manufactures, assembles and commercializes watch components such as appliqués, dial indexes, hands and other mechanical and micromechanical products related to watchmaking.

GT Cadrans SA 

Lonay · Since 2012

GT Cadrans SA specialises in the development and production of watch dials for the high-end market. The company combines artisan techniques and industrial processes — including micromechanics, electroplating, lacquering, engraving, gem setting and machining of stone and mother-of-pearl — and manages assembly and quality inspection.

High Garden Sàrl 

Lonay · Since 2017

High Garden is a Swiss producer of CBD products, particularly CBD flowers and CBD oils. The company's core activity includes the cultivation of hemp in biological permaculture, the extraction of CBD oils using RSO extract technology, and the production of high-quality CBD products without additives, pesticides, and chemical fungicides.

HI-Isolation Sàrl 

Lonay · Since 2023

HI-Isolation Sàrl provides building insulation services, including attic/loft insulation, external façade insulation and internal wall insulation. It is part of the Home Intelligence group and offers turnkey services covering advice, site assessment, measurements, installation work, verification and cleaning.

HomePerformance SA 

Lonay · Since 2022

The core activity of HomePerformance SA is the planning, installation and maintenance of energy efficiency solutions for private and commercial customers in Switzerland, particularly in the field of renewable energies. This includes the installation of photovoltaic systems, heat pumps, storage batteries, thermodynamic heating systems and CoolRoofing systems, as well as the implementation of energy audits and consulting on energy efficiency measures.

Human Centricity Sàrl 

Lonay · Since 2010

The core activity of Human-Centricity is to support organizations in changing their work practices and promoting innovation through the application of methods such as Design Thinking, Ethnography, Coaching and Intelligent Collectivity. The company helps its customers develop solutions that meet the needs of their customers, bring meaning to their work and energize their teams and processes.