General Contractors

IVRO AG 

Sins · Since 2010

The core activity of IVRO AG is the realization of real estate projects as an investor and general contractor. This includes the search for building land and existing properties with development potential, the planning and realization of real estate projects, as well as the sale and rental of properties.

jäggi architekten ag 

Recherswil · Since 2016

Jäggi + Hafter AG 

Zurich · Since 1948

Jäggi + Hafter AG is a construction company that provides new-build, renovation, custom project, timber construction and cast-asphalt services. Work is carried out through dedicated departments, and the company is part of the Wyss Gruppe corporate group.

Jega AG 

Bürglen Tg · Since 1980

The core activity of JEGA AG is the provision of services as a real estate and general contractor company. This likely includes the planning, development, management and marketing of real estate as well as the execution of construction projects as a general contractor.

Jenny & Co. AG, Bauunternehmung 

Ennenda · Since 1994

The core activity of Jenny & Co. AG is construction, particularly in the field of building construction, with a wide range of activities including: industrial buildings, residential buildings, conversions, renovations, customer-specific masonry work, and redevelopment projects. The company thus offers a variety of services in the construction sector, ranging from small customer-specific masonry work to larger redevelopment projects.

Jenny & Partner Baumanagement AG 

Weinfelden · Since 2011

The core activity of Jenny & Partner AG is construction management, particularly general contracting, with a focus on: * Consulting (construction consulting) * Planning (construction planning, architecture) * Building (execution of construction projects) * Sales (marketing of properties) The company thus offers a comprehensive range of services throughout the entire construction process.

JF CONCEPT CONSTRUCTIONS Sàrl 

Liddes · Since 2016

The core activity of JF Concept Constructions is the planning, design and realization of construction projects, particularly in the field of timber construction. The company offers comprehensive services, including: architectural and engineering services, static and dimensioning calculations, planning and design of construction projects, project management and construction management, and expertise and consulting in the field of timber construction. The company works closely with architects, construction companies, investors and public institutions to develop and implement individual solutions for construction projects.

JL Baumanagement GmbH 

Wallisellen · Since 2020

The core activity of JL Baumanagement GmbH is the planning and realization of construction projects of all kinds, from the idea to the turnkey handover and beyond.

JMD Entreprise Générale Sàrl 

Domdidier · Since 2010

The core activity of JMD Entreprise Générale Sàrl is the planning and realization of construction projects, particularly in the field of real estate development, including the construction of residential buildings, villas, office buildings and other properties. The company offers services as a general contractor and accompanies clients in the realization of their construction projects.

John Sisk & Son GmbH 

Zug · Since 2022

John Sisk & Son GmbH is a construction company delivering projects in the commercial, life sciences, data centres, infrastructure, residential and healthcare sectors. It provides construction and engineering services, including innovation and design, digital project delivery and strategic project services.

Jolliet Bois SA 

Montbovon · Since 2017

The core activity of Jolliet Bois SA is the planning and execution of construction projects in the field of timber construction, including new buildings, renovations, extensions and conversions of buildings. The company offers services as a general contractor and architectural firm, specializing in the use of wood as a building material.

JORIS Réalisations SA 

Bourg-St-Pierre · Since 2008

The core activity of Joris Réalisations SA is the planning, design and implementation of construction projects, particularly in the field of residential houses, chalets and villas, including architecture, interior design, transformation and renovation.

Josef G. Zangger GmbH 

Sempach · Since 2011

The core activity of Josef G. Zangger GmbH is the provision of architectural services.

Julian C. Fischer Architekten GmbH 

Zurich · Since 2021

The core activity of Julian C. Fischer Architekt:innen is the provision of architectural services, in particular the planning and design of buildings and spaces. The company participates in architectural competitions and offers services in the field of architecture.

Junicasa AG 

Bonaduz · Since 2009

Junicasa AG specializes in the purchase and sale of real estate and in property rentals. The company lists properties for sale and for rent and provides a tenant application form for rental inquiries.

k1 bau gmbh 

Cham · Since 2000

The core activity of K1 Bau GmbH is the planning and realization of construction projects, particularly in the area of single and multi-family homes, as well as providing services in the field of interior decoration and IT.

GlasMobil GmbH 

Steinhausen · Since 2013

Kaisen SA 

St-Aubin Fr · Since 2005

Kaisen SA is a carpentry firm that provides products and services for windows, doors and closure solutions. It serves clients in French-speaking Switzerland.

KAKI Sàrl 

Bussigny · Since 2019

The core activity of Atelier Kaki is architecture, particularly the planning and realization of construction projects such as the construction of villas, extensions and transformations of buildings.

Kälin Haus AG 

Trachslau · Since 2020

The core activity of Kälin Haus AG is the planning, consulting, realization and after-sales service of construction projects, particularly in the field of timber construction, including the manufacture of customized timber element buildings and high-quality interior fittings.