Construction & Architecture

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.