Construction & Architecture

GLS Architekten AG 

Biel/Bienne · Since 1991

The company GLS is primarily active in real estate development and project planning, particularly in the field of residential and commercial properties, such as multi-family homes, office buildings and hotels. They also offer interior finishing and renovation services.

Gobeli Bau AG 

Saanen · Since 2023

The core activity of Gobeli Bau is the execution of construction projects, including new construction, renovation and refurbishment, with a focus on building construction and civil engineering, as well as construction planning and consulting, with the aim of implementing individual customer wishes and requirements and achieving the highest customer satisfaction.

GP Isolierungen GmbH 

Däniken So · Since 2013

The core activity of GP Isolierungen GmbH is the planning and installation of thermal and cold insulation as well as fire protection insulation, including the elimination of weak points such as ceiling and wall penetrations of electrical cables, pipes and ventilation ducts. The company also offers services in the field of climate protection and environmental protection through professional insulation.

Graben AG Tiefbau 

Horgen · Since 1971

Graben AG Tiefbau provides civil engineering and earthworks services, including installation and rehabilitation of utility lines (water, electricity, gas, TV, telephone), construction of sewer systems, trenchless pipeline installation (Erdraketen) and general earthworks.

Graber Architekten 

Belp · Since 2007

Graber Architekten is a single-person architecture practice offering services from conceptual design and project development through construction management, covering renovations, new-builds and public, residential and commercial projects. The practice emphasises building ecology and low‑tech approaches and promotes the use of natural materials such as clay, lime and untreated wood.

Graf AG, Holzbau und Bedachungen 

Maisprach · Since 2018

Graf AG, Holzbau und Bedachungen is a company offering timber-construction and roofing services, including prefabricated timber element construction, conventional timber framing and roofing work. The firm also provides interior fit-out, extensions and renovations, terrace decks and façade cladding.

Green Smile, Inhaber Smajli 

Winterthur · Since 2018

The core activity of x-smajli is gardening and landscaping, including various services such as: gardening, hedge and tree cutting, laying paving stones, and constructing retaining walls and fences. The company thus offers comprehensive services for the design, maintenance and upkeep of gardens.

Greub AG 

Zeihen · Since 1969

The core activity of Greub AG is construction, particularly the planning and execution of new buildings, conversions and environmental works, as well as the renovation of residential and commercial buildings. This also includes specialized services such as core drilling and pressure testing.

Grischa Gerüste AG 

Davos Dorf · Since 1990

Grischa Gerüste AG provides scaffolding services, including façade scaffolds for new construction and renovation, tower and mobile scaffolds, work and protective scaffolds, emergency roofs and scaffold cladding. The company offers technical and safety planning, fall-protection systems and debris chutes, and supplies construction hoists, stages for events and additional property services such as snow clearing.

Grob Schreinerei AG 

Frauenfeld · Since 2009

The core activity of Grob Schreinerei AG is the manufacture and repair of wood products, particularly furniture, kitchens, doors, windows and interior fittings. The company also offers services such as restoration of antique furniture, sauna construction and laboratory furniture manufacturing.

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.

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.

Gufler GmbH 

Aesch Lu · Since 2004

The core activity of Gufler Gerüste AG is the planning, consulting, construction and dismantling of various types of scaffolding for the construction and industrial sectors, including facade scaffolding, solar scaffolding, rolling scaffolding, roof guardrails, stair towers, industrial scaffolding and indoor scaffolding.

Gugger AG 

Gurmels · Since 1966

Gugger AG is a construction company carrying out civil and road engineering, excavation, soil-improvement works and material transport. The firm also operates a gravel plant and supplies aggregates and related services.

Guido Cerini & Cie, succursale des Bois 

Les Bois · Since 1998

Guido Cerini & Cie, succursale des Bois is a construction and civil engineering firm providing masonry, earthworks, reinforced concrete and building renovation services. Its services include excavations and foundations, demolition, installation of pipelines and paving, as well as concrete-related works.

Guyaz Méry Sàrl 

Sion · Since 2020

Guyaz Méry Sàrl is a civil engineering firm offering engineering services for infrastructure and building projects. Its work includes bridges, tram lines and depots, buildings, and rural engineering assignments.

Häfliger & Mösch GmbH Schreinerei 

Reiden · Since 1998

The core activity of Häfliger & Mösch GmbH is carpentry, particularly the manufacture and installation of all types of carpentry work, such as kitchens, cabinets, doors, windows and other woodwork.

Haldemann Planer AG 

Worb · Since 2008

The core activity of Haldemann Planer AG encompasses the planning and project development of infrastructure construction, including: Telecommunications, Client representation, Infrastructure (radio, network construction, network planning), Civil engineering, Building construction, Special infrastructure construction, Steel construction, Supply and disposal, Road construction. The company thus offers comprehensive services in the field of planning and realization of infrastructure projects.

Haldi & Stahl GmbH 

Grund B. Gstaad · Since 2020

The core activity of Haldi & Stahl GmbH encompasses the planning, construction and renovation of chalets, particularly in the Saanen/Gstaad region, as well as the manufacture of high-quality furniture and interior fittings, including parquet floors, cabinets, office furniture and other bespoke solutions. Additionally, the company also offers chalet management services, including the care and maintenance of chalets during the owners' absence.

HALTER Bewässerungen GmbH 

Wilen B. Wollerau · Since 2019

The company Halter Bewässerungen GmbH provides services in the field of irrigation of green spaces. The core activities include planning, installation, commissioning, maintenance and repair of automatic irrigation systems for various types of green spaces, such as home gardens, parks, rooftop gardens, equestrian facilities, sports facilities, golf courses and others. Specific services include, among others, the installation and maintenance of pump and filter systems, pond circulation systems, water features, garden lighting, drainage systems and excavation work.

Häne & Partner AG, Immobilien 

Jona · Since 2008

Häne & Partner AG, Immobilien provides construction management and a range of real-estate services. Its services include site supervision, project and construction management, project development, property sales and valuations, condominium establishment and tenancy advisory, as well as advisory support on property-related legal matters.

Hans Güdel AG 

Bern · Since 1985

The core activity of Hans Güdel AG is professional garden maintenance and design. This includes various services such as: garden work (e.g. lawn mowing, hedge trimming, weed removal), plantings and re-plantings, maintenance of biotopes, ponds and flower meadows, tree felling and care, garden irrigation and rainwater harvesting, landscaping and natural stone work, garden planning and design. The company thus offers comprehensive services for the maintenance and design of gardens and outdoor facilities.

Hans Wenger-Wagner AG 

Reigoldswil · Since 2012

The core activity of Hans Wenger-Wagner AG is the renovation, construction and refurbishment of buildings. The company offers services in the areas of masonry, plastering, screed laying and civil engineering.

Hartmann Garten 

Klosters · Since 2022

The core activity of Hartmann Garten is the planning, implementation and maintenance of gardens, including garden maintenance, lawn care, winter security and structural as well as design changes. The company offers its services as a garden professional in Klosters, Davos and the surrounding area.

Hasler AG, Bauunternehmung 

Lommis · Since 1991

The core activity of Hasler AG is providing services in the construction industry, particularly in the following areas: * Building construction (new construction of single-family homes, commercial and agricultural buildings) * Civil engineering (utility lines, access roads, sewage systems, drainage systems, excavations, slope rehabilitation, garden walls, excavation work) * Renovations (concrete and masonry renovations, crack and moisture damage repairs, rust damage) * Conversions (bathroom and kitchen renovations) * Scaffolding (rental and installation of scaffolding) * Core drilling (drilling in reinforced concrete or building stones) * Screed flooring (installation of screed floors) In addition, the company offers services such as construction management, planning and project organization.

Hasler AG Gerüste / Isolationen 

Bern · Since 1987

The core activity of Hasler AG is the creation and rental of scaffolding as well as insulation work.

Hasler Bauleitungen GmbH 

Sissach · Since 2015

The core activity of Hasler Bauleitungen GmbH is the provision of services in the construction industry, in particular the planning and realization of construction projects, from the building application to completion.

Hasler Fenster AG 

Therwil · Since 2014

Hasler Fenster AG is a manufacturer of windows and doors, producing and supplying timber, timber‑aluminium and plastic windows and doors and offering installation and repair services. Its offerings include renovation windows, lift‑and‑slide doors, customer service and production practices focused on product lifecycle and sustainability.

Hasler Fenster AG 

Schlieren · Since 2024

Hasler Fenster AG manufactures windows and doors, producing systems in wood, wood‑metal and plastic. The company’s offerings include renovation windows, lift‑and‑slide doors and aluminium entrance doors, and it provides production, installation, customer service and repair services.

Hasler Fenster-Produktion AG 

Therwil · Since 2012

Hasler Fenster-Produktion AG is a manufacturer of windows and doors offering production, sales, installation and after‑sales service for wood, wood‑metal and plastic product systems. The company manufactures in Switzerland, emphasises sustainable production across the product lifecycle and provides services such as repairs, adjustments and security‑fitting installation.

Hasler + Kressbach GmbH 

Guntershausen B. Aadorf · Since 1999

The Hans + Martin Hasler AG company is a construction company offering a wide range of services in the field of building construction and civil engineering. The core activities include: building construction works, such as new buildings, conversions, renovations and refurbishments; civil engineering works, such as excavation, sewerage, drainage and utility lines; masonry works, such as scaffolding, concrete and reinforced concrete works, facade rendering and interior and exterior masonry works; planning and construction management; and customer-specific works, such as demolition, dismantling and disposal. The company thus offers a comprehensive range of services in the construction industry.

Häsler & Partner AG 

Thun · Since 1988

The core activity of Häslser + Partner is the planning and realization of interior architecture and construction projects. The company offers services such as interior architecture, gastronomy planning, project management and drawing creation.

Hausdienst Bregenzer AG 

Zwillikon · Since 2017

The core activity of Hausdienst Bregenzer AG includes the provision of janitorial services and property maintenance for property management companies and private individuals, including work inside and around the house, wasp nest removal, transportation of all kinds, and engraving services.

Hausheer Garten AG 

Cham · Since 2022

The core activity of Hausheer Garten AG is the professional and expert maintenance of gardens and facilities, including garden maintenance, plantings, plant protection, hedge trimming and other garden-related services.

HBF HUGGENBERGERFRIES ARCHITEKTEN AG ETH SIA BSA 

Zurich · Since 2003

HBF HUGGENBERGERFRIES ARCHITEKTEN AG ETH SIA BSA is an architectural practice that designs and delivers projects in housing, public buildings, infrastructure, workplaces, urban space and small-scale experimental work.

HBT AG 

Sulgen · Since 2020

HBT AG specializes in trenchless, minimally invasive pipeline installation in civil engineering and manages projects from planning through execution to handover of installed pipes. Services include utility locating, core drilling, PE/PVC pipe welding, pipe-jacking and flushing/drilling methods, small civil works, and project support and consulting.

Helmle Archidea AG 

Thun · Since 2004

The core activity of Helmle Archidea AG is the provision of architectural and planning services, particularly in the field of energy consulting. The company offers expert services in energy consulting and has certified energy consultants (GEAK experts).

Herger Luchsinger Architekten AG 

Rotkreuz · Since 2017

The core activity of Herger Luchsinger Architekten AG is the planning and realization of architectural projects, particularly in the areas of residential construction, school building, community centers, and other public buildings. The company offers services such as new construction, renovation, and refurbishment of buildings and is active in the regions of Zug, Lucerne, and Affoltern am Albis.

Hertig Sanitär & Allrounder 

Biel/Bienne · Since 2013

The core activity of Hertig Sanitär - Heizung & Allrounder encompasses a wide range of services in the field of house and garden work, including sanitary work, heating, masonry, demolition, disposal, clearance, small transports and other all-round activities.

HERZOG Holzbau AG 

Stettlen · Since 2002

The core activity of HERZOG Bau und Holzbau AG is the provision of services in the construction industry, particularly in the areas of building, carpentry and joinery. The company offers solutions for new construction, renovation and refurbishment, and emphasizes the importance of quality, flexibility and environmentally conscious building.

Heuberger-Service GmbH 

Ettenhausen Tg · Since 2021

The core activity of Heuberger-Service GmbH is the removal of blockages in drains and sewers, including emergency services and inspections using 3D canal TV.

H + F Architekten GmbH 

Fahrwangen · Since 1996

The core activity of H+F Architekten GmbH encompasses the planning, realization and management of construction projects, including new buildings, renovations and refurbishments, as well as building management and real estate brokerage.

Hilfiker Dienstleistungen GmbH 

Boswil · Since 1996

The core activity of Hilfiker Dienstleistungen GmbH encompasses the provision of services in the areas of environmental maintenance, agriculture, and transportation. Specifically, the company offers the following services: hedge maintenance and pruning, mulching of green spaces and slopes, tree felling, design and maintenance of outdoor areas, goods transportation, and contract work in agriculture and environmental maintenance. The company positions itself as a reliable partner for the maintenance and upkeep of outdoor areas, offering its services to both private and commercial clients.