Construction & Architecture

GIRANI & PERRILLAT Direction des Travaux-Architectes Sàrl 

Cologny · Since 2017

The core activity of Girani & Perrillat is architecture and construction management, particularly in the planning, monitoring and assistance of construction projects, including the transformation, renovation and energy-efficient refurbishment of buildings.

Girard Frères Sàrl 

Enney · Since 2024

Girard Frères Sàrl carries out joinery, cabinetmaking and carpentry projects, including kitchens, fitted furniture, staircases and timber structures. The company also provides roofing/metalwork and renovation services and operates a showroom.

Gjoni Work GmbH 

Emmenbrücke · Since 2016

The core activity of Gjoni Work is the provision of cleaning and janitorial services, including office cleaning, moving services and comprehensive janitorial services.

gloor wunschraum gmbh 

Brigerbad · Since 2015

The company's core activity is the planning and implementation of conversions, renovations, refurbishments and new constructions in the field of architecture and interior design, particularly in the cantons of Zurich, Ticino and Valais.

G. Meier AG 

Wollerau · Since 1992

The core activity of G. Meier AG is general contracting in interior construction, particularly the planning, consulting and implementation of interior construction projects for office and commercial spaces, including the installation of partition walls, glass walls, acoustic products and other interior construction elements.

GMS Partner AG 

Zürich · Since 1994

The core activity of GMS Partner AG is construction management and construction supervision, including services such as project planning, scheduling and cost calculation. The company supports customers in the realization of construction projects and offers comprehensive solutions for the implementation of building projects.

GOA GmbH 

Zurich · Since 2019

GOA GmbH is an architectural practice providing design and planning services for public and private construction projects. The firm’s work includes residential developments, educational and community buildings, sports facilities, and renovation and interior fit-out projects.

GOG AG 

Lucerne · Since 2013

The core activity of GOG AG is the planning, design and maintenance of gardens. They offer services such as gardening, garden maintenance and garden design, enabling customers to realize their garden wishes. Additionally, they also offer vouchers for gardening work.

Golden Keys Services SA 

Vernier · Since 2016

Golden Keys Services SA provides multi‑services including handyman work, local and international removals, storage and cleaning services.

Graber Garten 

Dürnten · Since 2023

The core activity of Grabergarten company encompasses the design, maintenance and care of gardens and landscapes, including tree care.

Graber Holzbau + Sägerei AG 

Messen · Since 2000

The core activity of Graber Holzbau + Sägerei AG is the planning and execution of timber construction projects, including new buildings, hall and barn construction, element construction, renovations, extensions, roof trusses and monument preservation, as well as the production of wood products in its own sawmill.

Graf AG, Hoch- und Tiefbau und Holzbau 

Wengen · Since 1983

The core activity of Graf AG Wengen is construction, including related services such as excavation services, transportation, core drilling, asbestos remediation, infrastructure construction, natural stone work and ceramic tile flooring. The company thus offers comprehensive construction services for various projects.

Graf Bauberatung GmbH 

Wengen · Since 2013

Graf Bauberatung GmbH is a construction company offering building (high-rise) and civil engineering services, infrastructure works, transport services, asbestos remediation, and natural stone and paving work. The website states that sustainability and responsibility for the landscape are integral to its services.

Graf Bau AG 

Uetikon Am See · Since 2002

The core activity of GRAF BAU AG is the provision of construction services, particularly in the areas of: renovations, conversions, new building construction and civil engineering. The company offers these services in the Zurich Lake and Zurich Oberland regions, focusing on the construction of buildings, from small to large-scale projects.

Graf Biscioni Architekten AG 

Winterthur · Since 2004

The core activity of Graf Biscioni Architekten AG is the planning and realization of construction projects, particularly in the area of residential and commercial buildings, schools, sports halls, nursing homes and other public buildings. The company provides architectural services, from planning to execution of construction projects, and has specialized in the implementation of complex construction projects in Switzerland.

Graf Holzbau Ettenhausen AG 

Ettenhausen Tg · Since 1992

The core activity of Graf Holzbau AG is the planning, consulting and execution of timber construction, renovation and refurbishment work, including interior finishing, terrace floors, facades and floor coverings.

Graf Schreinerei AG Huttwil 

Huttwil · Since 1975

The core activity of Graf Schreinerei AG is the manufacture and sale of wood products, in particular carpentry work, such as kitchens, cabinets, furniture, doors, tables and interior fittings.

graz architekten ag 

Büren An Der Aare · Since 2009

The core activity of the company "graz architekten ag" is the planning, design and realization of construction projects, particularly in the field of architecture. The company offers services such as consulting, planning, design and implementation of building projects, focusing on the creation of sustainable, functional and aesthetic solutions. The activities include, among others, the planning of single-family homes, multi-family homes, residential and commercial buildings, renovations and refurbishments of existing buildings, as well as participation in architectural competitions.

GRAZ SA Constructions Bois 

Le Mont-Sur-Lausanne · Since 2003

GRAZ SA Constructions Bois is a timber construction company providing planning and execution of wooden structures. Its services include structural carpentry, extensions and loft additions, halls and roofing, insulation and cladding work, CNC machining (K2i) and renovation and specialised timber works.

Green Gartenunternehmen GmbH 

Lucerne · Since 2012

The core activity of Green Gartenunternehmen GmbH is the planning, execution and maintenance of gardens, including garden design, landscaping and garden care.

Green Terra AG 

Zizers · Since 2009

The core activity of Green Terra AG is the provision of services in the field of geothermal energy, particularly drilling operations and the installation of brine-water heat pumps for heating and cooling buildings.

GRENIER & CORETRA SA 

Geneva · Since 2020

The core activity of Grenier + Coretra is architecture, particularly the planning and realization of construction projects, including energy-efficient renovation and the construction of apartments. The company offers a complete service process, from initial planning to construction management, and operates in various sizes, from single-family homes to apartment buildings.

GriwaArchitektur AG 

Grindelwald · Since 2017

The core activity of GRIWA ARCHITEKTUR AG is the planning and implementation of architectural projects, including building planning, construction management and energy consulting. The company offers services such as inventory surveys, building planning, construction management and energy consulting, and supports customers in the renovation, refurbishment or new construction of real estate.

groenlandbasel Architektur und Ausstellungen GmbH 

Basel · Since 2010

groenlandbasel Architektur und Ausstellungen GmbH delivers architecture and scenography projects. The practice undertakes new-builds including contemporary timber construction, renovations and conversions as well as lightweight temporary structures, and develops exhibition and museum concepts, exhibition direction and media-installation scripts while providing design, project management and overall planning.

GROSJEAN & MIGNOT ARCHITECTURE SA 

St-George · Since 2000

The core activity of Grosjean & Mignot Architecture S.A. is the provision of architectural services, including planning, design and implementation of construction projects. The company offers services in the fields of architecture, design and project management and has a team of architects, draftsmen and secretaries who specialize in the planning and implementation of construction projects.

Gruber Forster GmbH 

Zurich · Since 2007

The core activity of Gruber.Forster GmbH is model making, particularly the production of architectural models, presentation models, competition models, working models and prototypes for architects, designers and other creative individuals. This also includes the manufacture of design objects, furniture and other works of art in various materials and sizes.

Grünbau GmbH 

Ricketwil (Winterthur) · Since 2013

The core activity of Grünbau GmbH encompasses the planning, execution, and completion of garden and wood projects, specifically: garden construction (garden and landscape construction), terrace construction (high-quality terraces and wooden fixtures), wood construction (wooden structures and woodwork in the garden area), and the manufacture of wooden fixtures for the garden area. The company offers comprehensive solutions for customers, from planning to completion, and places emphasis on meticulous planning, targeted material selection, and expert execution.

Grünenfelder Tiefbau AG 

Vilters · Since 2001

The core activity of Grünenfelder Tiefbau AG includes civil engineering, transport, excavation and demolition.

Grünenfelder und Lorenz AG 

St. Gallen · Since 1983

The core activity of Grünenfelder & Lorenz AG is the provision of engineering services and planning services in the field of construction, particularly in the areas of building construction, civil engineering, BIM/digital construction and special fields such as area development, stream restoration and culvert construction. The company offers its services as an independent engineering firm in Eastern Switzerland and has been in operation since 1934.

GRUNER&FRIENDS International AG 

Basel · Since 2017

The core activity of Gruner&Friends International Ltd is the provision of architectural and design services. The company operates an architectural office and a Creative Lab, indicating that it specializes in the planning and design of buildings and spaces, as well as the development of creative solutions for various projects.

Grütter Bau AG 

Thörigen · Since 1992

The core activity of Grütter Bau AG is the planning and execution of construction projects, including architectural services, masonry work and the realization of individual customer wishes in the field of new buildings and renovations.

Gschwend + Willi AG 

Altstätten Sg · Since 1985

The core activity of Gschwend + Willi AG encompasses the planning and execution of construction projects, particularly in the field of timber construction, with a focus on: carpentry (new buildings, renovations, antique timber construction), façade construction (Eternit façade, timber façade, metal façade), roofing (pitched roof, flat roof), joinery (staircase construction, built-in cupboards, kitchen installation, windows), scaffolding and light construction, crane work (elevating platform, winch, pallet fork) and demolition work. The company thus offers a comprehensive range of services in the construction sector, with a focus on timber construction and regional sustainability.

Gschwind Gartenarbeiten GmbH 

Therwil · Since 2020

The core activity of Gschwind Gartenarbeiten GmbH encompasses the provision of services in the areas of garden maintenance, gardening and planning, tree felling, as well as specialized work in the garden and forestry sectors. This includes, in particular: * Garden maintenance: Care and maintenance of gardens, including the preservation of paths, walls, stairs, rock gardens, water features, fences, and privacy screens. * Gardening and planning: Planning and implementation of garden projects, including the creation of new gardens and the redesign of existing gardens. * Tree felling: Felling of trees and other woody plants, including the use of specialized technical equipment. * Specialized work: Execution of specialized work in the garden and forestry sectors, such as the installation of water features or the construction of fences and privacy screens. The company offers these services to private and potentially also commercial customers and provides them with non-binding advice as needed.

GTS Bau GmbH 

Frutigen · Since 2021

The core activity of GTS Bau GmbH includes the planning and execution of construction projects, particularly in the areas of civil engineering and road construction, as well as the renovation of gas stations and the construction of e-charging stations. Additionally, the company offers sealing services.

GT STORES SA 

Courtételle · Since 2024

The core activity of GT STORES SA is the distribution and installation of products for the sun protection and insect protection industry, particularly from brands such as GRIESSER, STOBAG, WOUNDWO and MHZ. The specific activities include: installation of awnings (indoor and outdoor), installation of insect screens, installation of patio roofs, distribution of STOBAG brand products, including awnings and sun protection products, and repair and maintenance of installed products. The company thus offers a comprehensive range of services and products for the design and protection of outdoor and indoor spaces.

Guntern Garten 

Wila · Since 2016

Guntern Garten provides garden construction, redesign and maintenance services, carrying out planting, hedge and tree work, paving and terrace work, and installations such as beach pools.

Guntern Garten GmbH 

Wila · Since 2022

Guntern Garten GmbH provides garden construction, garden design and garden maintenance services. Offerings include routine maintenance, garden redesign projects and installations such as beach pools and paving works.

Gurtner Bagger und Umgebungsarbeiten GmbH 

St. Gallenkappel · Since 2014

The core activity of Gurtner Bagger & Umgebungsarbeiten GmbH is the execution of pile driving, drilling and pulling of shaft covers, particularly in the area of manhole covers. The company offers these services to both construction companies and private customers and operates in the Zurich Oberland region up to the canton of Schwyz.

Gurtner Beat GmbH 

Signau · Since 1998

The core activity of Blumen Gurtner is horticulture, including garden maintenance, cemetery gardening and winter storage plants.

Gutknecht Holzbau AG 

Murten · Since 2003

The core activity of Gutknecht Holzbau AG is timber construction and wood processing, particularly in the areas of: * Carpentry and timber frame construction * Roofs and roof windows * Single-family homes * Extensions, attic conversions and dormer windows * Garages and carports * Industrial, commercial and agricultural buildings * Renovation and refurbishment * Joinery and interior finishing * Façade construction with wood and HPL * Terraces and special constructions The company also offers services such as consulting, planning and execution of construction projects.

Gut + Lunardi Architekten AG 

Elsau · Since 2019

The core activity of Gut + Lunardi Architekten AG is the planning, design and realization of construction projects, in particular: planning and project development of new buildings (single-family homes, multi-family homes, redevelopment of areas), renovation and refurbishment of existing buildings, preservation of historic buildings and collaboration with heritage conservation authorities. The company also offers services in the field of sale and rental of real estate.

GWJARCHITEKTUR AG 

Bern · Since 2009

GWJ Architektur is an architectural firm specializing in the planning and development of construction projects. The company's core activity encompasses the design and realization of architectural projects, including the transformation of industrial areas into vibrant urban districts, the development of residential and commercial buildings, as well as the renovation and revitalization of existing buildings.

Gyr Innenausbau AG 

Lucerne · Since 2014

Gyr Innenausbau AG provides planning and execution of interior fittings, including kitchens, laboratory installations, medical practice fit-outs and medication cabinets. The company delivers turnkey solutions and can coordinate trades, using refined wood-based materials for its interior work.

Haase AG 

Kreuzlingen · Since 2004

The core activity of Haase AG is the planning, installation and maintenance of various types of tanks and systems for the storage and use of liquids and bulk materials, in particular: heating oil storage in double-walled oil tanks, rainwater harvesting and storage, separators for fats and light liquids, storage of wood pellets in underground tanks, and installation and maintenance of systems for industrial and private use. The company also offers consulting and planning of systems as well as individual maintenance and repair services.

Habermacher Schreinerei Fensterbau GmbH 

Rickenbach Lu · Since 1998

The core activity of Schreinerei Habermacher is the manufacture and sale of wood products, particularly furniture and other woodwork, as well as the provision of services in the field of carpentry.

Haefele Schmid Architekten AG 

Zurich · Since 2010

The core activity of the company "haefele schmid architekten ag" is the provision of architectural services, in particular the planning and implementation of construction projects, taking into account creative and innovative solutions.

Halter Hunziker Architekten AG 

Rapperswil Sg · Since 2008

The core activity of Halter Hunziker Architekten AG is the planning, consulting, execution and construction management of building projects, particularly in the field of architecture. The company offers services such as consulting, planning, execution and construction management, focusing on creating long-lasting, sustainable and high-quality buildings.

Hamiti Renovationen GmbH 

Spreitenbach · Since 2020

The core activity of Hamiti Renovationen GmbH is the execution of conversions and renovations, particularly in the areas of painting, flooring, tiling and masonry work. The company also offers construction management and project management to provide customers with a comprehensive solution from a single source.

Handschin Architekten ETH SIA 

Basel · Since 2015

Handschin Architekten ETH SIA is an architectural practice offering design, project planning and site supervision for new construction, alterations and renovations. Projects include single-family and multi-family residential buildings as well as public building conversions and competition entries.

Handschin Schweighauser Architekten ETH SIA GmbH 

Basel · Since 2015

Handschin Schweighauser Architekten ETH SIA GmbH is an architectural practice providing design, planning and project realization for new buildings and conversions, with a focus on residential projects such as single‑ and multi‑family houses and participation in competitions.