General Contractors

LEVA Group GmbH 

Herisau · Since 2000

LEVA Group GmbH is a general contractor that coordinates and delivers construction services from planning through turnkey handover. Services listed include planning and strategic consulting, project management, renovations and conversions, heating/ventilation/cooling and industrial systems, interior fit-out, window/door works and external site works.

P+P Generalunternehmung GmbH 

Herisau · Since 2021

P+P Generalunternehmung GmbH is a general contracting firm providing construction services from planning through turnkey handover, including project management, renovations, interior fit-out and building services such as heating, ventilation and cooling.

Entreprise générale Bernard Nicod SA 

Lausanne · Since 1960

Entreprise générale Bernard Nicod SA is a real estate company offering sales and rental brokerage, property management, and construction and development services. It also provides commercial property services, consultancy via BN Conseils and an online property valuation tool.

BIENE FENSTER AG 

Winikon · Since 1911

The core activity of BIENE Fenster AG is the manufacture and distribution of windows, particularly high-quality windows with special functions and designs. The company also offers additional products and services such as insect screens, sliding doors and assembly and customer services.

Swissroc Construction Vaud, succursale de Swissroc Construction SA 

Bussigny · Since 2021

Swissroc Construction Vaud, succursale de Swissroc Construction SA delivers turnkey construction projects and acts as a general contractor for residential, institutional and luxury developments. Services include project cost estimation and value engineering, renovation and transformation, an integrated technical study office, a showroom and after‑sales support, with collaborative platforms (e.g. Procore) used for coordination.

Methabau Bau AG 

Hefenhofen · Since 2004

Methabau Bau AG is a total contractor providing project development, design and BIM planning, in-house production (metal, sheet metal and timber) and turnkey construction for commercial, industrial and residential buildings. The company also offers construction management, maintenance, repairs, renovations and property management services.

Methabau Gruppe AG 

Hefenhofen · Since 2014

Methabau Gruppe AG is a construction company that develops, plans and delivers multi-storey commercial and industrial buildings with a high degree of prefabrication. As a general contractor it provides project development, construction management, BIM-based planning, in-house production (metal, sheet and timber), construction execution, maintenance and property management.

Methabau Totalunternehmung AG 

Hefenhofen · Since 2014

Methabau Totalunternehmung AG is a general contractor providing development, planning and execution services for building projects, with a focus on multi-storey commercial and industrial buildings and residential construction. The company employs BIM-based planning, runs in-house metal, sheet-metal and wood production workshops, and offers maintenance, renovation and real-estate management services.

Müller + Partner, dipl. Architekten HTL/STV AG 

Langenthal · Since 2017

Müller + Partner, dipl. Architekten HTL/STV AG is an architectural firm that acts as a general contractor, planning and delivering buildings from financing advice through completion. The practice provides services including planning, project development, representation, consulting, project support, analysis, valuation and renovation.

Mathias Bellwald Aktiengesellschaft 

Glis · Since 1985

Mathias Bellwald Aktiengesellschaft is a general contractor focused on renovations and refurbishments, providing services for new construction, conversions, structural and civil engineering, and concrete and monument restoration. The company also offers tile and natural stone installations, asbestos and pollutant remediation, transport and recycling, and vehicle-technology services.

Otto Scerri SA 

Castione · Since 1964

Otto Scerri SA is a construction and logistics company that extracts, produces and trades aggregates and performs recycling. The company also provides transport and logistics services, a workshop for heavy vehicles and construction machinery, material management, excavation and demolition, civil engineering and hydraulic works.

Signia Bauunternehmen GmbH 

Dietlikon · Since 2021

The company's core activity is the provision of construction services as a general contractor, including planning, management and execution of construction projects, such as new buildings, conversions, renovations, demolition, dismantling, painting and plastering, flooring, sanitary installations and scaffolding.

Refecto Sàrl 

Pully · Since 2022

The core activity of Refecto Sàrl is the execution of interior finishing and renovation work, including: plastering, painting, tile laying, partition and false ceiling installation, masonry, demolition, bathroom renovation, and complete transformation of houses and apartments. The company also offers a comprehensive service, from planning to execution, and works with qualified professionals to achieve high-quality results.

Xamag Gesamtleistungen AG 

Villmergen · Since 1985

Xaver Meyer AG 

Villmergen · Since 2015

Xaver Meyer AG is a construction company providing architectural and general contracting services, including renovations and façade work. Its activities also include production of prefabricated concrete elements (element construction), garden/landscaping services and real estate brokerage and property management.

Leuthard Projekt & Baumanagement AG 

Merenschwand · Since 2014

Leuthard Baumanagement AG is a construction and real estate services company offering property project development and marketing, integrated developments and construction services including building, civil, road and façade work. The company applies BIM and digital tools (cloud-based project spaces, drones, advanced surveying) for model-based planning and execution.

Wirz AG Bauunternehmung 

Bern · Since 2003

Wirz AG Bauunternehmung is a construction company providing general construction services, including concrete and masonry works, demolition and renovation for residential and commercial projects.

ABSS Energie GmbH 

Volketswil · Since 2024

ABSS Schwarz Architekten AG 

Volketswil · Since 1988

ABSS Schwarz Architekten AG is an architectural firm providing planning, design and execution of new builds, conversions and renovations for residential and commercial properties. The firm also carries out construction and project management mandates, general contractor assignments and other construction-related services.

Architekturbüro Oskar Meier AG 

Bülach · Since 1971

The company Architekturbüro Oskar Meier AG is a real estate company specializing in the planning, realization, and management of properties. The core activities include: Architecture and planning services for residential and commercial properties, General and total contracting for construction projects, Property sales and management, Investment projects and rental of properties. The company thus offers a comprehensive range of services along the entire value chain of properties, from planning and realization to management and sales.

Invertronix GU AG 

Spreitenbach · Since 2013

Genoro Generalunternehmen GmbH 

Schönengrund · Since 2024

The core activity of Säntis Transport GmbH encompasses a wide range of services, including: * Transport (safe and efficient transportation of goods) * Moving (smooth and professional moving services) * Cleaning (thorough and professional cleaning services, including move-out cleaning) * Disposal (professional waste disposal) * Demolition (safe and precise demolition work) * Passenger transport (safe and comfortable transportation of people) * Car rental (flexible and affordable car rental) The company positions itself as a full-service provider of logistics and transport services, offering individual solutions for its customers.

B+S Invest AG 

Widnau · Since 2017

B+S Invest AG provides construction consulting, construction management and general contractor (total contractor) services, and works in project development, residential and commercial construction as well as renovations.

B+S Projekt GmbH 

Widnau · Since 2015

B+S Projekt GmbH provides construction consultancy, construction management and general contracting services, and supports project development, residential and commercial construction, renovations and land transactions.

Maulini Entreprise Générale SA 

Satigny · Since 2021

Maulini Entreprise Générale SA is a construction company (maître constructeur) carrying out new-build projects, major renovations and façade insulation and maintenance. It acts as a general contractor providing all-trades construction services for residential, industrial and administrative buildings, and undertakes renovation, transformation and real-estate development work.

Villvert SA 

Bussigny · Since 1994

The core activity of Villvert SA is construction and real estate development, particularly the planning and realization of construction projects in the areas of: wood construction, concrete construction, transformation and extension of existing buildings, and general contracting for construction projects. The company also offers services such as planning and realization of villas, multi-family houses and renovations.

Gysin Immobilien AG 

Hölstein · Since 1987

Landolfi AG 

Oberentfelden · Since 2003

Landolfi AG is a general contractor and provider of construction and interior services spanning real estate & general contracting, interior fit-out, building services (heating, sanitary, solar) and kitchens & bathrooms. The company handles planning and execution of residential, office and commercial projects and offers a showroom for kitchens and bathrooms.

KMP Architektur AG 

Wettingen · Since 2003

KMP Architektur AG provides comprehensive architectural services and project development, including design, detailed planning and construction management. The firm handles construction realization, land and property development and refurbishment projects, accompanying assignments from planning through handover.

Kräuchi + Partner AG 

Wettingen · Since 1989

Kräuchi + Partner AG is an architectural firm providing design and detailed planning, construction management and project delivery, as well as land and property development and renovation services.

Mächler Generalunternehmung AG 

Lachen Sz · Since 1970

The core activity of Mächler Generalunternehmung AG is the development and construction of residential properties, particularly owner-occupied and rental apartments in the Zurich Lake and Glarus regions. The company is involved in the planning, realization and marketing of residential construction projects.

P+S Haus AG 

Oberentfelden · Since 2022

Ridis Generalunternehmung GmbH 

Kaiseraugst · Since 2022

The core activity of RIDIS GmbH is the provision of services in the construction industry, particularly in the areas of: * Painting work (façades, walls, ceilings, wood) * Plastering work (rendering, smooth surfaces) * Façade renovation (protection and aesthetic enhancement of properties) * Scaffolding construction * Flooring (installation of laminate, parquet, vinyl, etc.) * Drywall construction (room design with partition walls and ceiling cladding) The company offers these services to private and commercial customers and accompanies construction projects from the initial idea to completion.

Bücheler Baumanagement AG 

Amriswil · Since 2003

Bücheler Baumanagement AG provides project development, execution planning and general contracting for residential and commercial buildings, and also handles property sales and rentals.

Bücheler Services AG 

Amriswil · Since 2014

Bücheler Services AG provides architectural and general-contracting services, including project development, execution planning, and the sale and rental of residential and commercial properties.

solHaus AG 

Lohn-Ammannsegg · Since 2013

The core activity of solHaus AG is the planning and execution of construction projects, including architecture, construction management and real estate management.

Bay Management AG 

Konolfingen · Since 1970

Bay Management AG is a construction company providing building and civil engineering services, including renovation and remodeling work, hazardous‑material remediation, demolition and removal, pipe jacking, and other specialist site services.

Erne Bau AG 

Egerkingen · Since 1983

Erne Bau AG is a construction company that operates as a builder and as a general and total contractor, providing main construction services including building construction, civil engineering, renovation, conversion and property maintenance.

Gehrig AG Generalunternehmung 

Wil Sg · Since 2006

Gehrig AG Generalunternehmung carries out construction projects of up to 50 residential units under the management of Otto Gehrig, working with local planners and client organisations. The unit provides general contracting services and offers building, civil engineering, renovation and refurbishment works.

Jampen AG 

Seftigen · Since 2021

Jampen AG is a company specialising in timber construction, window manufacturing and joinery. Its services include renovations, new builds, interior finishing, mass timber works, custom windows and doors, decking and floor installations, and repair services.

AKUBA GmbH 

Kaltbrunn · Since 2000

The company "das-umbau-team" offers a comprehensive service for renovations of houses and apartments, including overall renovation, kitchen renovation and bathroom renovation. The core activity includes planning, coordination and implementation of renovation projects, including the selection and procurement of materials, craftsman coordination and quality assurance. The company offers a turnkey service, where the customer receives a fixed budget and a fixed schedule, and takes care of all details of the renovation project.

Ramseier Integral AG 

Bern · Since 1963

Ramseier Integral AG operates as a general contractor, providing project development and construction services for new builds, conversions and renovations. Its services include selection of building systems, material choices and cost-optimised solutions in collaboration with the Ramseier Gruppe profit centers.

Ramseier Holding AG 

Bern · Since 1994

Ramseier Holding AG is a construction group offering new-build, refurbishment and renovation projects as well as project development and general contracting services. Services include façade work, timber construction, insulation, plastering, joinery, roof coverings and photovoltaics, together with natural stone and stonemasonry work; the company serves private and institutional clients as well as architects and engineers.

Hector Egger Gesamtdienstleistung AG 

Langenthal · Since 2018

Hector Egger Gesamtdienstleistung AG is a full-service provider in building construction and real estate. It accompanies and delivers projects of various sizes for private clients and institutional investors, offering planning, coordination, site logistics and advisory services with a focus on timber and element construction. The company integrates stakeholders (clients, architects, planners, trades) to coordinate workflows and resolve issues.

Losinger Marazzi AG 

Basel · Since 2011

Losinger Marazzi AG develops and delivers sustainable living and working spaces as well as infrastructure projects, providing services across the entire real estate value chain. The company’s services include project development, construction execution, renovation and the realization of hospital and industrial buildings.

Losinger Marazzi AG 

Zurich · Since 2004

Losinger Marazzi AG develops and constructs residential, office and industrial buildings as well as neighbourhoods, managing projects across the entire real-estate value chain from development to operation. The company provides planning and construction services with a focus on sustainable building, climate resilience and urban renewal.

Losinger Marazzi SA 

Fribourg · Since 2011

Losinger Marazzi SA develops and delivers real estate and site-development projects, providing project development, construction and lifecycle services. Its activities include sustainable building practices, climate resilience, timber construction and facility/property management for residential, industrial and healthcare buildings.

Losinger Marazzi AG 

Lucerne · Since 2012

Losinger Marazzi AG develops and delivers real estate projects and construction works, including sustainable districts, residential buildings, renovations, and hospital and industrial facilities. The company provides services across the property value chain from project conception to building operation and incorporates sustainability and climate-resilience measures in its projects.

Losinger Marazzi AG 

Bern · Since 1972

Losinger Marazzi AG develops and delivers real estate and construction projects, providing services across the asset lifecycle from concept to operation, including residential and district development, hospital and industrial buildings, and renovation works.

Losinger Marazzi SA 

Satigny · Since 2011

Losinger Marazzi SA is a construction and real estate firm that develops, constructs and operates buildings and urban districts. It provides project and site development, construction execution and facility/property management services, with lifecycle-oriented and sustainability measures integrated into its projects.