Specialized Construction Activities

Gecko Pro Sàrl 

Sottens · Since 2021

The core activity of Gecko Pro Sàrl is to provide services in the field of height work, particularly through professional rope access technicians, to support customers in the realization of industrial projects that require special skills and experience in verticality.

Gelux Stores Selmani 

Versoix · Since 2017

The core activity of Geluxstores is the installation and sale of various types of stores, such as exterior stores, interior stores, shutters, solar protection stores, as well as the installation of pergolas and verandas.

GEMA AG Gebäudehüllen & Energie 

Walenstadt · Since 1979

The core activity of Gema Gebäudetechnik AG is the planning, implementation and maintenance of building envelopes, including sheet metal work, façade construction, flat roof work, pitched roofs and solar energy. The company offers comprehensive solutions for the building envelope, from planning to execution, and also includes energy consulting and the installation of photovoltaic systems.

Geo-Hoehenarbeit AG 

Grabs · Since 2007

Geo-Hoehenarbeit AG carries out rope-supported and industrial rope-access work, including rock-engineering, dismantling, specialist carpentry and maintenance on bridges, façades and roofs. The company also installs fall-protection and safety nets, supplies and advises on personal protection equipment, and provides training courses for rope access and PSAgA.

GeoRock AG Spreng- und Tiefbauberatung 

Illnau · Since 2014

GeoRock AG Spreng- und Tiefbauberatung provides blasting, geotechnical and measurement services for construction and demolition projects. Its services include quarry operations and controlled blasting, excavation supports and pile foundations, as well as survey, monitoring and testing services and expert reports.

Gerhard Stoll, Stonewall's 

Wald Zh · Since 2008

The company's core activity is the planning, execution and research in the field of natural stone masonry, particularly in the area of dry stone masonry and traditional building techniques. This also includes the development of tools and techniques for stone processing, as well as the implementation of quality controls and expert opinions in the field of natural stone masonry.

GHB Ground-Engineering AG 

Morschach · Since 2012

The core activity of GHB Ground Engineering AG encompasses the development and manufacture of products and technical solutions for companies in the following areas: Drilling and well construction (e.g. steel, galvanized and stainless steel, wire-wrapped screens, PVC/HDPE, well heads and accessories); Geotechnics and Environment (e.g. core barrels, SPT, Shelby, piezometer and inclinometer tubes); Injection systems and Packers (e.g. grout mixing pumps, compact injection systems, hydraulic, mechanical and pneumatic packers). The company provides complete solutions, from technical consulting to project planning and quotation, through to fabrication and delivery.

GH Planung AG 

Lachen Sz · Since 2010

The core activity of GH Planung AG is the planning and consulting of building envelopes, particularly in the areas of flat roof sealing, lightning protection systems, metal facades and roofs, as well as all types of sheet metal work. This also includes devising, quality, cost and accounting controls, as well as the creation of calculations for emergency overflows, U-values, subsidies and other technical building aspects.

Gimo GmbH 

Inwil · Since 1994

The company's core activity is the planning, manufacture and installation of facades and roofs for buildings, particularly sandwich facades, ventilated metal facades, composite panels and roof constructions. The company also offers renovation services for existing facades and roofs.

Ginotech GmbH 

Winterthur · Since 2012

The core activity of Ginotech GmbH encompasses three main areas: 1. **Shading systems**: Planning, installation, maintenance, and repair of roller shutters, awnings, blinds, and insect screens. 2. **Plastering work**: Execution of plastering work, including the processing of plaster products for interior finishing of buildings. 3. **Façade insulation**: Implementation of façade insulation to improve the energy efficiency of buildings and protect them from weather influences. These three areas form the core competence of the company and are offered as specialized services for private and commercial customers.

GLOBAL TOITURE Sàrl 

Le Noirmont · Since 2017

The core activity of Global Toiture Sàrl encompasses the execution of works in the fields of roofing, carpentry, joinery, sheet metal work, and lifting. Specifically, the company offers the following services: * Roofing: Installation and removal of roofs, including the use of materials such as tiles, small tiles, eternit, sheet metal, and sheet metal work * Carpentry: Restoration and new construction of roof frames, including work on old buildings * Joinery: General carpentry work, including the installation of floors, wall cladding, ceilings, and windows * Sheet metal work: Work on gutters, downspouts, and other metal roof components * Lifting: Use of cranes and aerial lifts for high-altitude work * Building renovation: Comprehensive renovation work on buildings, including the renovation of roofs and facades. The company also offers emergency services and repair work and has its own equipment, including a 40-meter high telescopic crane.

GMTS SA 

Monthey · Since 2020

The core activity of GMTS Sàrl is industrial welding and piping, particularly in the construction of networks for district heating, water and gas in Switzerland. The company offers services such as the manufacture and installation of industrial pipelines, as well as the maintenance and repair of existing networks.

G. Nikollbibaj Sanitär Heizung GmbH 

Erlenbach Zh · Since 2024

G. Nikollbibaj Sanitär Heizung GmbH provides plumbing and heating services, including bathroom and kitchen renovations, boiler servicing and replacement, repairs, and advice and installation of water-softening systems and shower-toilet (Dusch-WC) units. The company also performs fitting and appliance replacement and operates an emergency on-call service; hourly rates and standby fees are listed on the website.

GOBAT Citerne S.A. 

Moutier · Since 2005

The core activity of Gobat Citerne SA is the maintenance, repair and renovation of tanks and associated facilities, particularly for the storage of heating oil and other liquid fuels. The services include, among others: tank revision and maintenance, cleaning and renovation of underground tanks, renewal of underground pipes, sealing of catch basins, dismantling and disposal of old tanks, installation of new tanks and facilities, installation of leak detectors and alarm systems, and rainwater collection and utilization. The company thus offers comprehensive services for the maintenance and operation of tanks and associated facilities to ensure safe and efficient storage of heating oil and other liquid fuels.

Gobat Génie Civil SA 

Courgenay · Since 1958

Gobat Génie Civil SA, succursale de Delémont 

Delémont · Since 2018

Green Air AG 

Schlieren · Since 2016

The core activity of Green Air AG consists of planning, installing and maintaining heating, ventilation and air conditioning systems for industrial and residential buildings, with the aim of creating a balanced and pleasant indoor climate.

GREENaxis Sàrl 

Vevey · Since 2016

Grether Environnement snc 

Montagny-Les-Monts · Since 2023

The company's core activity encompasses a wide range of services and activities that can be divided into several areas: 1. **Construction and Soil Treatment**: This includes Delachaux (Lime Spreading), StabiSol (Soil Stabilization and Foundation Work) and Eds (Ripping-De-compaction-Seeding). These activities focus on soil treatment and stabilization as well as foundation work. 2. **Environmental Services**: Under the Environment division, the company offers a broad range of services including semi-hydraulic works (e.g. for roofs, walls, and facades), pruning and maintenance work (including lawn mowing, tree felling, and pruning), waste disposal and small demolition work, as well as snow removal. 3. **Transportation**: The company provides general transportation services. 4. **Metal Construction and Equipment Rental**: In addition to construction and environmental services, the company also offers metal construction work (Metal Assembly) and equipment rental (Equipment Rental). Overall, the company's core activity can be described as a comprehensive service provider in the fields of construction, environment, transportation, and metal construction.

Grindel Fassadenbau GmbH 

Effretikon · Since 2021

The core activity of Grindel Fassadenbau GmbH is the execution of works in the field of facade construction, painting, plastering, drywall construction and renovation/refurbishment, in particular: Exterior insulation of facades (thermal insulation composite systems, ventilated curtain walls); Plastering works (high-quality plastering techniques, plasters made of lime, cement or clay); Painting works (colour design, interior and exterior painting); Drywall construction; Renovation and refurbishment of buildings. The company offers these services to both private and commercial customers.