General contractor in
St. Gallen
81 companies in General contractor based in St. Gallen — name and year of registration from the commercial register.
50 of 81 companies
Goldbeck Rhomberg AG
Since 2006 · 21–50 empl.5.0(6)
Goldbeck Rhomberg AG delivers systematised, turnkey construction projects for logistics and industrial halls, office buildings, car parks, residential buildings and data centres. The company supports real estate projects across the full lifecycle and also offers parking services.
Forma Architekten AG
Since 1999 · 11–20 empl.5.0(3)
Forma Architekten AG is an architecture practice working in architecture and interior design. Its projects include new buildings, renovations and design competitions, with support for clients throughout the building process.
Filipaj Architektur AG
Since 1976 · 1–10 empl.
Filipaj Architektur AG plans and builds for private clients and investors, as well as on its own account. Its activities include development studies, land servicing, project planning, construction and site management, along with renting and managing its own properties.
Morscher AG
Since 1989 · 1–10 empl.
Morscher AG is a construction company providing services in building and civil engineering, including new builds, conversions, renovations, and maintenance. The company carries out projects for private, commercial, and public clients and also offers consulting and construction services.
Gähler Flühler Fankhauser Architekten AG
Since 2000 · 21–50 empl.
The core activity of Gähler Flühler Fankhauser Architekten is the provision of architectural services, including planning, design and implementation of construction projects, with a focus on sustainable and ecological solutions. The company offers all architectural services and phases from a single source, from the design phase to construction management, and works in small teams on projects ranging from urban planning to constructive details.
Markus Alder, Architekten GmbH
Since 2002 · 1–10 empl.
The core activity of Markus Alder Architektur is the provision of architectural services, particularly in the field of age-appropriate building.
Alpen Architekten AG
Since 2010 · 1–10 empl.
Alpen Architekten AG is an architecture and general contracting firm for construction projects. Its services include detailed design, construction management and client advisory, as well as coordinating projects from planning through completion.
Schneider Architektur GmbH
Since 2012 · 1–10 empl.
The core activity of Schneider Architektur GmbH is the planning and realization of construction projects, including architecture, design, execution planning and construction management for various types of buildings, such as single-family homes (SFH), multi-family homes (MFH) and senior living facilities.
Senn Construction AG
Since 2013 · 21–50 empl.
Senn Construction AG delivers and renovates residential, office and commercial properties as a general or total contractor. Its project and construction managers oversee building projects, and its activities also include digital construction and building technology.
Rosenblum Baumanagement AG
Since 2015 · 1–10 empl.
Rosenblum Baumanagement AG operates in the field of construction management.
Bata Immo GmbH
Since 2017 · 1–10 empl.
The core activity of Bata Immo GmbH encompasses the construction, purchase, management and sale of properties, including: Real estate management: acquisition, maintenance, renovation and property management of properties; Construction projects: planning, execution and brokerage of building projects of all kinds as general and total contractor; Purchase and sale: brokerage of real estate and properties for private individuals and companies.
besser.bauen ag
Since 2017 · 11–20 empl.
The core activity of besser.bauen ag is the construction and execution of construction projects, particularly in the field of high-rise construction, as an innovative construction company based in St. Gallen.
METTLER PRADER AG, Zweigniederlassung St. Gallen
Since 2017 · 11–20 empl.
METTLER PRADER AG, Zweigniederlassung St. Gallen is a construction company working in building construction, civil engineering, demolition, infrastructure and road construction. Its activities include bridge and tunnel construction, excavations, renovation, and drilling and milling.
BAB Architekten AG
Since 1998 · 1–10 empl.5.0(3)
BAB Architekten AG is an architecture practice offering architectural design and construction management. Its projects include new builds, conversions and renovations of homes, hotels, restaurants and bars, as well as energy-efficiency upgrades and interior design.
Jeannette Geissmann Architektur GmbH
Since 2015 · 21–50 empl.5.0(3)
Jeannette Geissmann Architektur GmbH is an architecture practice working on new buildings, conversions and renovations of residential, commercial and public buildings. Its services include design and construction planning, feasibility studies, client advisory, construction and project management, and construction management.
multistudio GmbH
Since 2023 · 1–10 empl.5.0(12)
multistudio GmbH is an architecture and interior design practice. It develops building and interior concepts and supports projects from planning, coordination and tendering through to implementation and construction management.
Halter AG, Zweigniederlassung St. Gallen
Since 2019 · 21–50 empl.5.0(1)
Halter AG, Zweigniederlassung St. Gallen develops, plans and delivers construction and real estate projects using the Design-Build approach. Its activities include new construction and renovation, site and property development, and real estate investments.
K + K Fassaden AG
Since 1991 · 1–10 empl.4.7(6)
The core activity of K&K Fassaden AG is the planning and execution of ventilated facade claddings for new buildings, renovations and refurbishments.
Philipp Koller Architektur GmbH
Since 2020 · 1–10 empl.
The core activity of Philipp Koller Architektur GmbH is the provision of architectural services.
Renowell AG
Since 1999 · 11–20 empl.5.0(1)
The core activity of VirtuellBau AG is the provision of comprehensive construction services, including new construction, renovation, renovation, timber construction, roofing and facade work, electrical engineering, heating and plumbing, as well as the planning and coordination of construction projects. The company offers a wide range of services to support customers in the realization of their construction projects, from planning to execution.
NIRMO AG
Since 2012 · 11–20 empl.4.0(1)
NIRMO AG is a general contractor specialising in the renovation and modernisation of existing residential and commercial properties. It manages building projects from planning and construction supervision through to turnkey completion.
BAUWIWO AG
Since 2022 · 1–10 empl.
BAUWIWO AG is a general contractor that plans and executes construction projects and provides related services. Its offerings include construction and planning (structural and civil works, architecture, site management), renovation and refurbishment, property management, and financing services through affiliated units.
Rhomberg Bau AG
Since 2005 · 500+ empl.2.6(13)
Rhomberg Bau AG is a construction company that plans and carries out building and civil engineering projects and acts as a general and total contractor. Its activities also include refurbishment, timber and system construction, property development, building materials and recycling, and property management.
Graf AG General- / Totalunternehmung
Since 1984 · 11–20 empl.5.0(1)
The core activity of Graf AG is the planning and construction of multi-family homes and overbuildings, particularly in the field of residential construction.
Finger Hutter Architekten gmbh
Since 2008 · 1–10 empl.5.0(2)
The core activity of Finger Hutter Architekten is the provision of architectural services, including planning, design and implementation of construction projects. The company offers its services in the fields of architecture, construction and spatial planning, and has an experienced team of architects and specialists who have specialized in the design and implementation of construction projects.
Roth und Hautle Holzbau GmbH
Since 2006 · 1–10 empl.5.0(1)
The core activity of Roth and Hautle Holzbau GmbH is timber construction, particularly carpentry and joinery work, including element construction, interior finishing, façade construction, terrace construction, conversions, window and door construction, as well as planning and construction management.
motivo immo ag
Since 2018 · 1–10 empl.3.3(7)
motivo immo ag is a construction services company specializing in construction consulting, planning and realisation. It provides project management and site management, general planning, cost planning and total contracting, and works on residential, office, industrial, commercial, special building and renovation projects.
Baukla AG
Since 1984 · 11–20 empl.1.0(1)
Baukla AG supports construction projects from development and planning through to execution. Its services include total and general contracting as well as construction management.
ReGall Generalunternehmen AG
Since 2016 · 1–10 empl.
ReGall Generalunternehmen AG is a general contractor that delivers building projects of all types. Its services include construction work, planning and building new properties and refurbishments, as well as renovations, maintenance and repairs.
AT-Baumanagement GmbH
Since 2020 · 1–10 empl.
AT-Baumanagement GmbH provides consulting and implementation services in building and energy technology, focusing on heat pumps, photovoltaic systems and energy-efficient windows. The company handles planning, installation coordination, after-sales service and assistance with subsidy applications, working with local installers.
Hoti-S GmbH
Since 2022 · 1–10 empl.
Hoti-S GmbH is a construction company offering building services and formwork work. Its services include formwork for walls and ceilings, foundations and structural shell (raw) work for residential, commercial and industrial projects.
EVOX Bau GmbH
Since 2025 · 1–10 empl.
EVOX Bau GmbH plans and carries out construction and renovation work. Its services include demolition and remodeling, plumbing, heating and ventilation, interior finishing, and outdoor construction such as terraces, stonework, concrete, masonry and timber work.
Ehoch1 Design House AG
Since 2025 · 1–10 empl.
Ehoch1 Design House AG is an architecture firm that provides architectural and planning services according to SIA standards. The company designs individual, tailor-made buildings and supports projects from the first concept through to completion.
Sulser Immo AG
Since 1968 · 1–10 empl.
Proma Immobilien AG
Since 2005 · 1–10 empl.
Sinowa GmbH
Since 2014 · 1–10 empl.
Sinowa GmbH is a construction and plastering company. The firm operates also as a general contractor and provides services including drywall and plastering, painting, floor coverings, façades and insulation, renovation and remodeling work, building maintenance, metal construction and cleaning.
ADZ Immobilien & Bau AG
Since 2020 · 1–10 empl.
The core activity of ADZ Immobilien und Bau AG encompasses the planning, realization, and management of real estate projects, including: new constructions (including project development), renovation and refurbishment works, civil engineering and construction works, as well as general contractor and construction services. The company provides its customers with comprehensive support from planning to completion of real estate projects.
Probauteam AG St. Gallen
Since 1969 · 1–10 empl.
Wealth Immobilien AG
Since 1981 · 1–10 empl.
ALBAN GEORGY Generalbauunternehmung
Since 1999 · 1–10 empl.
Redway AG
Since 2001 · 1–10 empl.
Graf Generalunternehmung/Totalunternehmung
Since 2002 · 1–10 empl.
Widmer Architekten AG
Since 2005 · 1–10 empl.
IMOBO GMBH IMMOBILIEN + GENERALUNTERNEHMUNG
Since 2007 · 1–10 empl.
Zumax AG
Since 2008 · 1–10 empl.
Building and Behaviour GmbH
Since 2011 · 1–10 empl.
Lederbach AG
Since 2013 · 1–10 empl.
Spatium Immobilien AG
Since 2013 · 1–10 empl.
BHB Hausplan GmbH
Since 2016 · 1–10 empl.
KOBAGO AG
Since 2018 · 1–10 empl.
General contractor in St. Gallen
General contractor in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of November 6, 2026
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