Construction & Architecture

GROSJEAN & Cie SA 

St-Oyens · Since 1990

The core activity of Menuiserie Grosjean & Cie SA is the manufacture and distribution of wood products, particularly windows, doors, roof trusses and other timber construction components. The company also provides services in the field of interior fittings and facade construction.

Gross Storenbau GmbH 

Zurich · Since 1996

The core activity of Gross Storenbau GmbH is the construction of awnings, particularly the planning, manufacture and installation of various types of awnings, such as lamella awnings, roller shutters, sun awnings, interior awnings, folding shutters, facade awnings, fabric awnings, insect screens, pergolas and terrace roofs. The company also offers services such as new installation, maintenance and repairs.

Groupe EG&B SA 

Chénens · Since 1983

EG&B SA is a Swiss company that operates in three main areas of activity: 1. **Water Engineering (Eau)**: The company specializes in the planning, execution, and maintenance of water infrastructure, including the laying of water pipes, the installation of pumps, and the manufacture of covers for water sources, pumping stations, and reservoirs. 2. **Building Construction (Bâtiment)**: EG&B SA offers a wide range of construction services, including new buildings, renovations, and conversions. The company has a qualified and experienced team, as well as modern construction equipment and machinery. 3. **Civil Engineering (Génie-Civil)**: The company is specialized in the construction and maintenance of infrastructure such as roads, bridges, canals, and other civil engineering structures. It has a variety of construction equipment and machinery for all types of earthworks. The company's core activity is therefore the planning, execution, and maintenance of water, building, and civil engineering works.

GJL Rénovation Sàrl 

Geneva · Since 2011

Groupe Jaer.ch Sàrl provides interior and exterior renovation and fit-out services for residential and commercial clients, offering works such as tiling, plastering, parquet flooring, insulation, plumbing, painting, electrical work and wallpapering.

GroWa Isolation GmbH 

Würenlingen · Since 2016

Grünig Bau AG 

Däniken So · Since 1984

The core activity of Grünig Bau AG is the provision of construction and masonry services, including new builds, renovations, masonry work and repair contracts.

Grüter Holzbau GmbH 

Lostorf · Since 2001

The core activity of Grüter Holzbau GmbH is the execution of carpentry and joinery work, particularly in the areas of interior finishing, furniture making, conversions and extensions, as well as roof insulation and windows.

Grütter Schreinerei GmbH 

Laupen Zh · Since 2008

The core activity of Grütter Schreinerei is the manufacture and distribution of wood products, particularly in the field of interior finishing, furniture, doors, kitchens and bathrooms. The company also offers services in the field of timber construction.

Gschwend Holding AG Zuzwil 

Zuzwil Sg · Since 1984

The company's core activity is wood processing and timber construction, particularly sawmilling, interior fitting and general contracting of historic buildings, as well as the production of wood products such as briquettes and the installation of photovoltaic systems.

GUERINI SA 

Losone · Since 2001

The core activity of Guerini SA is the execution of construction and building projects, including: new constructions (e.g. single-family homes, multi-family homes), renovations and conversions (e.g. restructuring, renovation of rustic buildings), work with natural stone, flooring (pavimentazioni), and building projects in the field of high-rise construction (e.g. residential buildings, office buildings). The company also offers services in the field of construction planning and execution, including collaboration with other companies and professionals.