Construction & Architecture

Graphit Group AG 

Bern · Since 2020

The core activity of Graphit Group AG encompasses the areas of architecture, real estate valuation, marketing, management and property services. The company offers comprehensive services around real estate and architecture, including consulting, planning, construction management, project management, real estate valuation, sales and rental of residential and commercial properties, as well as the management and administration of properties.

Gross Baumanagement AG 

Wallisellen · Since 2016

Gross Baumanagement AG is a firm for project development and construction delivery, managing real estate and site developments from analysis through to completion. Services include analysis and advisory, feasibility studies, general and total contracting, and renovation and revitalization for residential, public and specialised buildings.

Gross Dienstleistungen Gartenbau & Unterhalt 

Rietheim · Since 2021

The core activity of the company "Gross Dienstleistungen" encompasses the provision of facility management services, in particular: property maintenance (maintenance, upkeep and environmental care), cleaning services (routine cleaning, office and commercial cleaning, household cleaning) and tree care. The company offers these services to various customer groups, including private households, businesses and properties.

Gross Generalunternehmung AG 

Brugg Ag · Since 1987

Gross Generalunternehmung AG is a construction and real estate company offering project development, general and turnkey contracting, and renovation and revitalization services for building projects. The firm develops and realizes projects ranging from individual properties to urban-scale concepts and provides construction management and complete delivery options.

Gross Generalunternehmung AG Zweigniederlassung Wallisellen 

Wallisellen · Since 2020

Gross Generalunternehmung AG Zweigniederlassung Wallisellen specializes in project development and general/total contracting. The company provides site and property analyses, advisory services, renovation and revitalization, construction management and turnkey project delivery.

Gruber Polybau AG 

Raron · Since 1986

The core activity of Gruber Polybau AG encompasses the provision of services in the field of roofing, sheet metal and sealing construction, as well as facade construction. Specifically, this includes: sheet metal work, roofing work (in particular pitched roofs), sealing work, and facade work (in particular ventilated and suspended facades). The company thus offers a wide range of services in the construction industry, particularly in the field of roof and facade constructions.

Grünpunkt GmbH 

Winterthur · Since 2011

The core activity of Grünpunkt GmbH is the professional planning, implementation and maintenance of gardens and green spaces for private and corporate clients as well as municipal customers. This includes, among other things, garden renovations, garden maintenance, care work, lawn care, pond and biotope repair work, as well as individual garden construction services.

GSK Bau AG 

Grenchen · Since 1989

GSK Bau AG is a construction company providing carpentry and kitchen installation, bathroom renovations and comprehensive building refurbishment and repair services.

Gurtner Bau AG 

Mamishaus · Since 1979

Gurtner Bau AG is a construction company that carries out utility-line installation, sewer and site development, road surfacing, landscaping and paving, and slope-protection works.

Haberstroh Architekten GmbH 

Basel · Since 2013

The core activity of Haberstroh Architekten is the planning and realization of architectural projects, including new buildings, conversions, competitions, and product design. The company also offers services in the fields of construction and design, and is involved in the training of apprentices and students in practical training.

Hagedorn AG 

Pfäffikon Sz · Since 1975

Hagedorn AG is a construction company providing road and civil engineering works and related services. Its offerings include mastic asphalt/sealing, transport and crane services, asphalt milling, pavement repairs, core drilling and building-materials recycling solutions.

Hagedorn AG 

Jona · Since 1976

Hagedorn AG is a construction company providing road and civil engineering works and related services. Offerings include asphalt paving, mastic asphalt and waterproofing, transport and crane services, recycling of construction materials, milling and core drilling, and winter road services; the company holds ISO 9001, ISO 14001 and ISO 45001 certifications.

Handybeard Roy 

Zurich · Since 2017

The company Handybeard offers a wide range of services in the field of renovation, maintenance and design of living and working spaces. The core activities include: renovations and refurbishments, painting, flooring, apartment handover service, wall and floor repairs, assembly and disassembly of furniture and other fixtures, creation of built-in cabinets, carpentry, minor repairs and renovations. The company primarily targets expats, but also offers its services to German-speaking clients.

Hans Gurtner AG 

Grenchen · Since 1972

Hans Gurtner AG is a construction company performing earthworks and road construction, including utility and sewer installation. Services include slope protection and retaining walls, paving and landscaping works, surface paving/resurfacing, and building conversions and renovations, with use of techniques such as cold recycling.

Hayoz A. Holzbau AG, 3212 Gurmels 

Gurmels · Since 1977

The core activity of Hayoz A. Holzbau AG is timber construction, particularly the planning, manufacture and assembly of timber buildings, elements and products, including carpentry, joinery, sawmilling, staircase construction and window construction. The company also offers services in the field of monument preservation, renovation and repair of existing buildings.

hegibau generalunternehmung ag 

Rothrist · Since 1928

hegibau generalunternehmung ag is a general contractor that carries out new-build construction and modernization of residential, commercial, industrial and business properties. Its services include project development, new construction, renovation and refurbishment, marketing and initial rental, together with integrated project management.

hegibau architektur ag 

Rothrist · Since 1999

hegibau architektur ag is an architectural firm responsible for project design, concept development and planning for new construction and refurbishment. It provides planning services for residential, commercial, industrial and other building types and supports projects through the planning stages of realization.

Herter Baumschule und Rosen 

Nussbaumen Tg · Since 2014

The core activity of Herter Baumschule und Rosen is the breeding, care and sale of roses, shrubs and trees, as well as the provision of services in the field of garden maintenance and design.

Herzog Umbauten AG 

Zurich · Since 1997

The core activity of Herzog Umbauten AG is the provision of master builder services, particularly in the areas of new construction, renovation, reconstruction, old building renovation, customer masonry, concrete renovation and concrete art (Beton Ciré). The company offers personal and professional consulting as well as high-quality work for the implementation of construction projects, mainly in the city and agglomeration of Zurich.

H. Graf AG 

Zufikon · Since 1992

The core business of H. Graf AG encompasses three main areas: 1. **Road Construction**: Planning, design and implementation of new road construction projects, expansions and renovations. 2. **Civil Engineering**: Execution of civil engineering projects, including house connections, utility line construction, slope stabilization and underpasses. 3. **Environmental Works**: Realization of aesthetic and functional environmental works, such as the design of pedestrian zones, community spaces, meeting zones and parks, as well as the installation of colored asphalt surfaces.