General Contractors

Oslo Nord AG 

Münchenstein · Since 2006

Ossig Renovaplan AG 

Derendingen · Since 2018

Ossig Renovaplan AG provides integrated financing, architectural and construction services for new builds and renovation projects. Acting as a general contractor, the company handles project development, permit submissions, construction management and cost control, and coordinates execution trades such as carpentry, roofing, joinery, flooring, sanitary installations, painting, plastering and masonry.

Piertzovanis Toews GmbH 

Basel · Since 2019

The company's core activity is the planning and realization of architectural projects, including renovations, new constructions and competition projects in the field of residential, office and public buildings, as well as exhibition and event design.

Ramseyer Haus AG 

Diepflingen · Since 1995

The core activity of Ramseyer Haus AG is the planning and construction of single-family homes in timber frame construction, including the execution of carpentry and roofing work, painting and joinery work, conversions and renovations.

R&D luxury Design GmbH 

Schöftland · Since 2018

R&D luxury Design GmbH is a full-service architectural firm that plans and delivers architecture, interior design and bespoke design furniture projects. Its services cover project planning and implementation for new builds, renovations and residential and commercial buildings, supported by an in-house team of architects, planners and engineers.

Rocca + Hotz AG 

Zuoz · Since 1988

The core activity of Rocca+Hotz AG is the construction and execution of civil engineering and construction projects, including renovations, conversions, earthworks, interior finishing, plaster renovation, concrete repairs and the installation of thermal insulation systems. The company offers comprehensive services in the construction industry, from planning to execution and billing, and positions itself as a reliable partner for construction projects of all sizes.

Santini Generalunternehmung GmbH 

Seon · Since 2011

Santini Generalunternehmung GmbH provides real estate services including property sales and management, as well as architectural planning and construction realization for residential and commercial buildings. The company’s offering also covers project development and the realization of new-build projects in cooperation with Santini Architektur GmbH and Santini GU GmbH.

Säntis Bau AG 

Lüchingen · Since 1980

Säntis Bau AG is a sister company of Finger AG responsible for the management and administration of the real estate portfolio. It performs property administration and acts as a contact point for property owners.

Sareg S.A. 

La Chaux-De-Fonds · Since 1996

The core activity of SAREG is the provision of services in the field of architecture and construction, particularly in the planning, realization, and renovation of buildings, as well as in project development and management. This includes, among other things: architectural services, such as the creation of plans and designs; project management and coordination; construction execution and supervision; renovation and reconstruction of existing buildings; and the development of innovative and sustainable solutions for the construction industry. The company thus offers a comprehensive range of services that span from planning to the realization of construction projects.

schulzarchitektur gmbh 

Fehraltorf · Since 2009

The core activity of Schulz Architektur GmbH is the planning, consulting and execution of construction projects of all kinds, particularly in the field of high-rise construction, with a focus on the planning of passive houses and the renovation of buildings. The company offers services such as the assessment of plots and properties, the creation of decision-making bases, the planning of buildings and building complexes, as well as the control of execution quality and costs.

Schwegler Architektur AG 

Gettnau · Since 2015

The core activity of Schwegler Architektur AG is the planning and implementation of architectural projects, particularly in the areas of residential buildings, commercial buildings and redevelopment projects, as well as the creation of renovation concepts and the execution of construction projects. The company also offers services such as cost planning, tendering and construction management.

Staehelin Meyer Architektur AG 

Basel · Since 2010

The core activity of Staehelin Meyer Architektur is the provision of architectural services.

Swiss Class Generalunternehmung GmbH 

Buchs Sg · Since 2017

The core activity of Swiss Class GU GmbH is general contracting in the construction industry, including planning, renovation, development and realization of buildings, such as multi-family houses, commercial and industrial buildings, terraced houses and single-family homes. The company also offers services such as architecture, specialized planning, construction management and sustainability.

SWISSDEV SA 

Nyon · Since 2015

SWISSDEV SA is a company providing architecture, engineering and technical expertise for building and civil engineering projects. Its services include construction and architectural design, technical expert reports and project supervision, specialised railway solutions (rail cooling and ballast reinforcement), nanostructured coatings for industry, health and renewable-energy applications, and solar panels.

TRiO Bau/Umbau & Gartenbau GmbH 

Niederdorf · Since 2021

The core activity of the company 'Trio Bau' includes the planning and execution of construction projects, including new buildings, conversions, renovations and refurbishments, as well as gardening work. The company offers its services as a general contractor and supports customers in all matters related to the house in the Basel and Baselland region.

Veyrat-Sarasin SA 

Le Grand-Saconnex · Since 2025

The core activity of Veyrat-Sarasin is the provision of services in the field of real estate development and management, including: general contracting for construction projects, project development and management, architectural and interior design services, renovation and refurbishment of properties, real estate brokerage and sales, property management and rental, financing and banking relations. The company thus offers a comprehensive range of services for the real estate industry and positions itself as a full-service provider for real estate developers, owners and users.

VISIO Architekten und Ingenieure AG 

Nidau · Since 2020

The core activity of VISIO Architekten und Ingenieure AG is the planning and realization of construction projects, including architecture, engineering and interior design. The company offers services such as new construction, renovation, refurbishment and interior design for various construction projects, including single-family homes, multi-family homes, municipal administrations and other buildings.

Wagner Architekten + Partner AG 

Volketswil · Since 2007

The core activity of Wagner Architekten + Partner AG is the planning, consulting and accompaniment of construction projects, including architecture, construction and completion phases, with a focus on quality, deadlines and costs.

Wespi de Meuron Romeo Architetti SA 

Caviano · Since 2002

The core activity of WDMRA - Wespi De Meuron Romeo architetti SA is the planning and realization of architectural projects, particularly in the field of residential construction, transformation and renovation of existing buildings, as well as the planning of public buildings and spaces. The company is also active in participating in architectural competitions and creating monographs and publications about its work.

wolfKeller GmbH 

Dörflingen · Since 2012

wolfKeller GmbH is a construction company offering building construction, civil works, crane services, and renovation and conversion projects. Services include retaining walls and single-family houses up to multi-storey office buildings with parking garages, excavation and utility installation, and load lifting with tower and truck cranes.