General Contractors

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.

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.

H + H Réalisation SA 

Sion · Since 2018

H + H Réalisation SA is a company offering civil engineering, architectural and real-estate services, including surveying and planning for building and infrastructure projects such as structures, roads, tunnels and water systems.

EITAN SA 

Semsales · Since 2021

The core activity of Home Partners Immobilier S.A. encompasses the following areas: * Real Estate: Sales, brokerage and management of real estate, including administration of condominiums (PPE) * Construction and Renovation: General contracting for the construction of buildings, villas and other structures, including masonry, civil engineering, interior finishing and renovation * Trade in Building Materials: Sales of building materials and interior finishing products, including a wide range of products such as furniture, electrical appliances, sanitary installations and worktops.

HSSP AG 

Zurich · Since 2009

The core activity of HSSP AG is the provision of services in the field of construction management, including construction management, construction economics, general planning, overall management and works planning. The company supports customers in the realization of construction projects and offers comprehensive solutions for complex project structures.

HW Concept AG 

Hitzkirch · Since 2006

The core activity of HW Architektur Baumanagement AG is the provision of architectural and construction management services, including design, planning, consulting, project management and implementation of construction projects, particularly in the area of new buildings, extensions, renovations and conversions of residential and commercial properties.

ID Groupe SA 

Geneva · Since 2022

The core activity of ID Groupe SA is the provision of services in the construction industry, particularly in the areas of: Construction (new building), Renovation (refurbishment and modernization of existing buildings), and Transformation (conversion and adaptation of buildings). The company offers its customers a comprehensive range of services, including consulting and solutions for all types of construction projects.

Idillio Cavazzoni SA 

Giubiasco · Since 1983

The core activity of Idillio Cavazzoni SA consists of carrying out various types of construction and related works, including: construction of residential buildings, villas, palaces and industrial buildings; renovations and restorations of buildings; and civil engineering works, including excavations, canalizations and other underground works. The company thus offers a wide range of services in the construction sector, from planning to the execution of construction projects.

IMPERU AG 

Winterthur · Since 2024

The core activity of IMPERU AG is the execution of construction projects, including total contracting, general planning, general contracting, construction management and craft services such as plastering, painting, façades, flooring and building drying. The company provides comprehensive services for residential construction projects, commercial buildings, office buildings, renovations and modernizations of existing properties.

Impresa Generale Pfister SA 

Manno · Since 1972

The core activity of Pfister SA consists of planning, designing and marketing single-family homes, two-family homes, villas and other residential properties, as well as the sale of building plots.

Invias AG 

Zurich · Since 2024

Invias AG provides architectural design, timber-structure engineering and construction management services, including planning, structural calculations and project coordination through to execution.

Invias AG 

Maienfeld · Since 2017

Invias AG provides architecture, timber-structure engineering and construction management services. The company develops building projects from concept and structural calculation through coordination of execution and also markets the QUADRIN modular timber products.

JPA ANTORINI ARCHITETTI Sagl 

Viganello · Since 2014

The core activity of JPA Antorini Architetti SAGL is the provision of architecture and design services, particularly in the field of interior architecture and Feng Shui, with the aim of developing innovative and harmonious solutions for building and design projects.

KAIUS Sàrl 

Torny-Le-Grand · Since 2019

KAIUS is an architecture and real estate consulting firm offering a wide range of services, including: Expertise: Accompanying the acceptance of buildings, technical expertise and financial evaluation; Architecture: Development of architectural projects, transformation and renovation of buildings, energy efficiency measures; Realization: Planning, execution and completion of construction projects. Thus, KAIUS provides comprehensive consulting and support for real estate projects, from planning to realization.

KAMER Architekten AG 

Zurich · Since 1980

The core activity of KAMER Architekten AG is the provision of architectural services, including consulting, architecture, construction management and planning. The company offers individual solutions for construction projects and realizes projects with competence, innovation, creativity and sustainability.

KG BauPlus GmbH 

Aadorf · Since 2016

The company KG BauPlus GmbH is a civil engineering firm specializing in static and constructive issues related to load-bearing structures in wood, concrete, and steel. The core activities include: Static consulting for architects and builders, Creating static concepts for renovation and new construction, Static dimensioning of load-bearing structures in wood, concrete, and steel, Creating formwork and reinforcement plans, Excavation plans, and Tenders. The company thus provides engineering services for the planning and execution of construction projects.

K Montagen GmbH 

Mühlehorn · Since 2023

The core activity of K-Montagen GmbH is the provision of services in the field of metal construction, design and assembly, including the provision of external personnel for companies with skilled labor shortages.

Kobelt & Partner AG 

Weinfelden · Since 1990

The core activity of Kobelt & Partner AG is general contracting in the construction industry, including the development, planning and realization of buildings, as well as the provision of construction services such as execution planning, cost planning, project and construction management, and owner consulting.

K Plus Architekten AG 

Jona · Since 2013

The core activity of K Plus Architekten AG is the planning, design and realization of construction projects, particularly in the field of architecture, taking into account aspects such as energy efficiency, sustainability and aesthetics. The company offers services such as feasibility studies, preliminary projects, construction supervision and project management, and works closely with clients, building owners, partners and other stakeholders to develop individual solutions for residential and commercial properties.

Leutwyler Partner Architekten AG 

Zug · Since 1997

Leutwyler Partner Architekten AG is an architectural firm providing planning, project development and site supervision across all project phases. The practice works on residential, commercial, educational and infrastructure projects as well as building conservation, using an interdisciplinary approach with attention to ecological, economic and social sustainability.