General contractor in the
Canton of St. Gallen
549 companies in General contractor based in the Canton of St. Gallen — name and year of registration from the commercial register.
50 of 549 companies
AKUBA GmbH
Since 2000 · 21–50 empl.4.9(47)
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.
Blumer-Lehmann AG
Since 1999 · 101–500 empl.4.8(17)
Blumer-Lehmann AG operates in the timber industry and timber construction, supporting building projects from consulting and architecture through planning and production to assembly. It delivers timber, modular and free-form buildings, as well as silos and facilities, and supplies sawn timber, wood products and conveying, control and measurement technology.
B+S Invest AG
Since 2017 · 1–10 empl.5.0(43)
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.
Daluz Gonzalez & Partner AG
Since 2014 · 11–20 empl.4.8(27)
Daluz Gonzalez & Partner AG is an architectural firm providing design and planning services for residential buildings and interior architecture. The firm works on various building typologies—multi‑family housing, single‑family houses and villas—and coordinates project-specific specialists such as structural engineers and building services planners.
Kobelt AG
Since 1964 · 51–100 empl.4.6(20)
The core activity of Kobelt AG is the construction of turnkey houses, particularly high-quality and solid single-family homes, multi-family homes, semi-detached houses, and wooden houses, as well as providing general contractor services in the field of house building.
W. Rüegg AG
Since 1970 · 21–50 empl.4.9(17)
W. Rüegg AG is a timber construction and joinery company carrying out timber building projects, interior fit-outs and joinery work. It also provides planning and architectural services for house construction, extensions and renovations, and can deliver projects as a general contractor.
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.
B+S Projekt GmbH
Since 2015 · 1–10 empl.5.0(43)
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.
Schällibaum Bau- und Projektmanagement AG
Since 1987 · 101–500 empl.4.3(9)
Schällibaum Bau- und Projektmanagement AG provides services in architecture, civil engineering and geomatics. The firm delivers comprehensive services from consulting and project planning to realisation and offers technical services such as bridge and tunnel engineering, water and infrastructure works, BIM and surveying including drone and mobile mapping.
Weber Holzbau AG
Since 1995 · 1–10 empl.4.8(13)
Weber Holzbau AG is a timber construction and carpentry business handling new builds, conversions and renovations. Its services include façades, insulation, kitchens, furniture, stairs and flooring, as well as planning and construction management.
W. Örtig AG
Since 2013 · 1–10 empl.5.0(12)
W. Örtig AG is a construction company carrying out building and civil engineering projects for residential, commercial and public buildings. Its services also include scaffolding, core drilling and concrete cutting, customer-specific repair and renovation work, and general contracting for new builds, conversions and refurbishments.
J. Eisenring AG
Since 1979 · 1–10 empl.4.5(39)
J. Eisenring AG operates in the real estate sector, providing advice and offering properties for sale and rent. It lists properties for purchase and lease and advises on real estate matters.
Relesta AG
Since 2004 · 21–50 empl.4.4(8)
Relesta AG is a residential construction partner that develops, plans and delivers housing projects. Its activities include developing planning options and supporting new-build and renovation projects through development, architecture, construction and marketing.
Gehrig AG Generalunternehmung
Since 2006 · 11–20 empl.4.5(33)
Gehrig AG Generalunternehmung delivers construction projects in collaboration with local planners and project sponsors.
S + L Architektur AG
Since 2013 · 21–50 empl.4.7(14)
S + L Architektur AG provides architectural and planning services along with project development, construction management and site supervision. The firm acts as a general or total contractor, offers land and property brokerage and complementary services such as site assessments, energy concepts and regulatory clarifications.
Finger AG
Since 2021 · 21–50 empl.5.0(12)
Finger AG is a construction and general contracting company active in building and civil engineering. Its work includes new builds, conversions and renovations, as well as property management and real estate valuations.
Architekten Zogg & Freuler, Inhaber Heinz Zogg
Since 1992 · 1–10 empl.5.0(10)
Architekten Zogg & Freuler, Inhaber Heinz Zogg is an architectural and general contracting practice providing planning, project management and construction services. Offerings include new builds and renovations for single- and multi-family houses, commercial and public buildings, land offerings, financing advice, color-concept services and Minergie-related services.
Generalunternehmung Zogg & Freuler, Inhaber Heinz Zogg
Since 1995 · 1–10 empl.5.0(10)
The core activity of Zogg & Freuler is general contracting for turnkey construction, including planning, design, project management and execution of construction projects, particularly in the area of single-family homes, multi-family homes, renovations, refurbishments, commercial and industrial buildings, as well as public buildings.
Toneatti AG Jona
Since 1999 · 11–20 empl.4.7(12)
Toneatti AG Jona is a construction company working in building construction, civil engineering and renovation. Its services also include general and total contracting, surveying and geomatics.
Conforte Group GmbH
Since 2022 · 11–20 empl.5.0(14)
Conforte Group GmbH is a construction company that accompanies renovations, conversions and new builds and offers project management and construction management. The company executes plastering, painting, drywall and facade work (WDVS), is a certified BASWA applicator and offers surface techniques such as Stucco Veneziano and seamless coverings.
Generalista Generalunternehmung AG
Since 1989 · 21–50 empl.4.5(6)
Generalista Generalunternehmung AG is a real estate development company that invests in properties with development potential and income-generating capacity. The company provides project development services, market and feasibility analyses, budgeting and project management through to project realization.
Jud Architekten AG
Since 1999 · 1–10 empl.4.8(8)
Jud Architekten AG is an architecture practice that designs, plans and delivers building projects. Its services include new construction, conversions and renovations, as well as feasibility studies, detailed planning, cost management, tendering, construction supervision and property management.
SCHÖNAUER IMMOBILIEN GMBH
Since 1994 · 11–20 empl.4.4(14)
SCHÖNAUER IMMOBILIEN GMBH provides architectural, timber-construction and carpentry services and also acts as a general/total contractor for building projects. Services include modular building (including tiny houses), project and construction management, and bespoke timber structures and joinery.
SCHÖNAUER AG
Since 2012 · 51–100 empl.4.4(14)
SCHÖNAUER AG provides timber-construction and architectural services covering planning and execution. Its services include architecture and construction management, timber construction, joinery, modular building and general/total contracting.
Schreinerei Bock AG
Since 2015 · 11–20 empl.4.3(11)
Schreinerei Bock AG plans and produces custom-made products in wood and other materials. Its services include kitchen construction and interior fitting, from consultation and planning to production and installation; for conversions and renovations, it also coordinates the trades involved.
Starhaus AG
Since 2014 · 11–20 empl.5.0(4)
The Starhaus AG is a general contractor based in Rorschach, specializing in the planning, design and construction of residential buildings. In addition to project development and architectural planning, the company also provides support with financing issues and questions related to building land.
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.
BRUNNERFELIX AG
Since 2011 · 11–20 empl.4.3(11)
BRUNNERFELIX AG is a construction company providing building construction, civil engineering, renovations and extensions, masonry and construction-protection services. Its offerings also include swimming-pool construction, customer masonry jobs and execution of individual projects for private clients and public bodies.

Schlegel + Hofer, Dipl. Architekten AG
Since 1985 · 1–10 empl.
Die Schlegel + Hofer Dipl. Architekten AG is an architectural firm with locations in Buchs SG, Grabs SG and Altendorf SZ. Since 1985 the office plans and realises building projects in Werdenberg, the St. Gallen Rhine Valley and the March: single-family and multi-family houses, public buildings as well as industrial, commercial and agricultural buildings. The range of services extends from the initial idea through planning, building permit submission and cost estimation to construction management and the client representation – all from one source. A well-coordinated team of architects and construction managers personally accompanies private, commercial and public clients, ensuring deadlines and cost safety.
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.
Pedrett AG
Since 1986 · 1–10 empl.
Pedrett AG is an architecture and general planning firm for residential, industrial, commercial and retail buildings. Its services range from real estate consultancy and site procurement to planning, construction supervision, project coordination and project management.
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.
Gebrüder Kressig Generalunternehmung AG
Since 1992 · 1–10 empl.
Gebrüder Kressig Generalunternehmung AG provides general contracting services in building construction, including planning, site management and execution. Its offered services include demolition, exterior façades, master-builder (baumeister) work, roofing, flooring, external/site works, renovations, carpentry and rental of residential properties.
PS Generalunternehmung AG
Since 1993 · 1–10 empl.
PS Generalunternehmung AG is a planning and architectural firm focused on residential and commercial construction. The company plans and supports new builds, conversions and projects for single-family homes, multi-family homes and industrial buildings, and it also offers properties for sale.
i+R Wohnbau AG
Since 1997 · 11–20 empl.
i+R Wohnbau AG develops, markets and delivers real estate projects. Its activities include property development and general and total contracting, with a focus on owner-occupied and rental apartments as well as investment properties.
Schluchter Architekturbüro GmbH
Since 1998 · 1–10 empl.
Schluchter Architekturbüro GmbH operates as an architecture firm, general planner and general contractor for buildings of all kinds. It plans and delivers residential, industrial and commercial projects, including new construction, renovations and refurbishments, and provides property assessments.
Sieber-Viertl Holzbau GmbH
Since 1998 · 1–10 empl.
Sieber-Viertl Holzbau GmbH is a timber construction company. The website contains only very limited content and points to a frames-based page without further visible information about services or activities.
Bautaria AG
Since 1998 · 1–10 empl.
The core activity of Bautaria AG is the construction and sale of real estate, particularly single-family homes and apartments, in Switzerland. This includes the development of new buildings, construction management and the sale of real estate under fair conditions.
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.
grob schöpfer ag
Since 2000 · 11–20 empl.
The core activity of Grob Schöpfer AG is the planning and realization of construction projects, particularly in the fields of architecture and engineering, including studies, renovations, public buildings, commercial and residential buildings.
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.
Marty Häuser AG
Since 2003 · 11–20 empl.
Marty Häuser AG operates the freshhaus brand as a general and total contractor specialising in the planning and turnkey construction of single-family and semi-detached homes. Its services include coordinating architecture, construction management, interior design and specialist partner companies throughout the project.
Walser Innenausbau GmbH
Since 2004 · 1–10 empl.
The core activity of Walser Innenausbau GmbH is interior finishing.
Niederer Ralph Generalunternehmer AG
Since 2005 · 1–10 empl.
The core activity of N-R-G (Niederer Ralph Generalunternehmer AG) is general contracting in the field of real estate development and renovation, including partial renovation, comprehensive renovation and replacement new construction. The company offers services such as valuation, consulting, development, realization, marketing and management of real estate.
Fensterle Beton- und Fertigteilwerk GmbH
Since 2006 · 11–20 empl.
The core activity of Fensterle company encompasses the planning, manufacturing and construction of family homes, object buildings and other construction projects, particularly using massive lightweight concrete walls produced in its own concrete and precast plant.
Swiss Household Services AG
Since 2006 · 11–20 empl.
Swiss Household Services AG distributes everyday appliances, particularly household electrical goods and multimedia products such as consumer electronics and computers. It plans and builds kitchen and sanitary installations and structures, operates as a general contractor, and provides services and financing in these business areas.
Kielholz+Partner AG
Since 2006 · 21–50 empl.
The core activity of Kielholz and Partner is the provision of engineering services, particularly in the field of civil and structural engineering, including services such as seismic analysis, BIM, CAD, renovation and conversion of existing buildings, as well as steel construction.
Marc Saladin Architekten GmbH
Since 2006 · 1–10 empl.
Marc Saladin Architekten GmbH is an architecture practice that supports building projects from concept and design through execution planning and construction management. Its work addresses the use, setting and design of each project, alongside economic and environmental considerations.
BBK ARCHITEKTEN AG, Balzers (LI), Zweigniederlassung Wartau
Since 2007 · 1–10 empl.
BBK ARCHITEKTEN AG, Balzers (LI), Zweigniederlassung Wartau is an architecture practice that plans new buildings, conversions and renovations. Its project portfolio includes residential, public, cultural and commercial buildings.
hj baurealisation gmbh
Since 2007 · 1–10 empl.
hj baurealisation gmbh plans, builds and delivers construction projects as a general or total contractor. It forms part of the services offered by Jörg & Kuster AG and handles project planning and execution.
General contractor in the Canton of 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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