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.