General Contractors in the
Canton of St. Gallen

550 companies in General Contractors based in the Canton of St. Gallen — name and year of registration from the commercial register.

Companies

50 of 550 companies

AKUBA GmbH Logo

AKUBA GmbH

Since 2000 · 21–50 empl.4.9(46)

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.

General ContractorsComplete renovationBathroom renovationKitchen renovation
ranQ Trust Score 4.6 out of 5.0, rated Excellent, Rank #1
Blumer-Lehmann AG Logo

Blumer-Lehmann AG

Since 1999 · 101–500 empl.4.8(17)

Blumer-Lehmann AG is a wood-industry and timber-construction company providing consulting, architecture and planning services as well as production and on-site assembly. The company manufactures wood products such as sawn timber, facades, glued timber and timber modules and supplies silo and plant systems, conveying and control technology and residual-wood products (pellets, wood chips).

General ContractorsGeneral contractor servicesTimber constructionTimber construction planning and engineering
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #2
B+S Invest AG Logo

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.

Construction & Project ManagementProject developmentConstruction managementResidential construction
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #3
W. Rüegg AG Logo

W. Rüegg AG

Since 1970 · 21–50 empl.4.9(17)

The core activity of Rüegg AG Kaltbrunn encompasses the planning, manufacturing, and assembly of timber structures, interior fittings, and furniture, specifically: Carpentry and joinery; Timber construction (single-family homes, multi-family homes, industrial buildings, extensions, and additions); Interior finishing (kitchens, bathrooms, cabinets, doors, and furniture); House building and general contracting; Real estate development; and Renovations and expansions of existing buildings. The company also provides consulting services to private clients, planners, architects, and investors.

Building ConstructionHouse constructionInterior fit-outGeneral contractor
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #4
B+S Projekt GmbH Logo

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.

General ContractorsConstruction managementGeneral contractorProject development
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #5
Kobelt AG Logo

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.

Architecture FirmsSingle-family homeSemi-detached houseMulti-family building
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #6
Goldbeck Rhomberg AG Logo

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.

General ContractorsTurnkey Industrial HallsOffice BuildingsParking Garages
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #7
Daluz Gonzalez & Partner AG Logo

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.

Architecture FirmsArchitectural officeInterior design
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #8
Weber Holzbau AG Logo

Weber Holzbau AG

Since 1995 · 1–10 empl.4.8(13)

Weber Holzbau AG is a timber construction and joinery company that delivers timber element construction as well as new builds, renovations and extensions, and works on building envelopes, facades, insulation and repair services. The firm also provides planning services and manufactures custom furniture, kitchens, staircases, flooring and CNC/laser components and restoration work.

General ContractorsPlanningNew build, renovation, extensionFacades, shutters, windows
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #9
W. Örtig AG Logo

W. Örtig AG

Since 2013 · 1–10 empl.5.0(12)

W. Örtig AG is a construction company carrying out structural and civil engineering works, providing scaffolding, core drilling, milling and other customer-specific services, and offering general contracting.

General ContractorsGeneral contractorBuilding constructionCivil engineering
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #10
Schällibaum Bau- und Projektmanagement AG Logo

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.

Architecture FirmsCivil engineeringArchitectureGeomatics
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #11
J. Eisenring AG Logo

J. Eisenring AG

Since 1979 · 1–10 empl.4.5(39)

The core activity of J. Eisenring AG is the comprehensive consulting and planning in the field of building land, properties and architecture. The company offers services such as consulting, planning and sales of properties and has many years of experience in the planning sector as well as in the real estate trade. It is an architectural firm that also acts as a general contractor and offers turnkey solutions.

Architecture FirmsArchitecture and Building PlanningGeneral Contractor ServicesProperty Sales
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #12
Relesta AG Logo

Relesta AG

Since 2004 · 21–50 empl.4.4(8)

The core activity of Relesta AG is the planning, realization and marketing of residential construction projects, in particular the development and construction of residential properties, taking into account the highest quality standards, sustainability and integral working methods.

Architecture FirmsResidential property developmentArchitecture and planningGeneral contracting
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #13
Gehrig AG Generalunternehmung Logo

Gehrig AG Generalunternehmung

Since 2006 · 11–20 empl.4.5(33)

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.

General ContractorsGeneral contractorBuilding constructionCivil engineering
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #14
S + L Architektur AG Logo

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.

Architecture FirmsArchitecture & PlanningProject Development & Construction ManagementConstruction Site Supervision
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #15
Conforte Group GmbH Logo

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.

Building ConstructionConstruction management & building managementPlastering workPainting work
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #16
Finger AG Logo

Finger AG

Since 2021 · 21–50 empl.5.0(12)

Finger AG is a general contractor for construction and real estate services, providing building construction, civil engineering, property management and property valuation. Offered services include new construction and renovations, excavation and utility works, rental management and property accounting.

Building ConstructionBuilding constructionCivil engineeringProperty valuation
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #17
Architekten Zogg & Freuler, Inhaber Heinz Zogg Logo

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.

Architecture FirmsSingle-family homesMulti-family buildingsConversions and renovations
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #18
Generalunternehmung Zogg & Freuler, Inhaber Heinz Zogg Logo

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.

General ContractorsGeneral contractorConversions/RenovationsMulti-family homes
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #19
Toneatti AG Jona Logo

Toneatti AG Jona

Since 1999 · 11–20 empl.4.7(12)

Toneatti AG Jona is a construction company that provides building and civil engineering services, undertakes renovation projects, acts as general and total contractor, and offers geomatics and surveying services.

General ContractorsCivil engineeringBuilding constructionConversion works
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #20
Jud Architekten AG Logo

Jud Architekten AG

Since 1999 · 1–10 empl.4.8(8)

The core activity of Jud Architekten AG is the planning and realization of architectural projects, particularly in the area of residential and commercial buildings, both in the form of new constructions and renovations.

Architecture FirmsArchitectural planningNew constructionConversions and extensions
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #21
SCHÖNAUER IMMOBILIEN GMBH Logo

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.

General ContractorsGeneral contractor / turnkey contractorArchitecture / construction managementTimber construction
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #22
SCHÖNAUER AG Logo

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.

General ContractorsTimber constructionJoineryArchitecture
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #23
Generalista Generalunternehmung AG Logo

Generalista Generalunternehmung AG

Since 1989 · 21–50 empl.4.3(4)

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.

General ContractorsReal estate developmentReal estate investmentsFeasibility studies and profitability analyses
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #24
Schreinerei Bock AG Logo

Schreinerei Bock AG

Since 2015 · 11–20 empl.4.3(11)

The core activity of Schreinerei Bock AG is the manufacture and distribution of wood products, particularly furniture, interior fittings, cabinets, doors, bathrooms and other woodwork. The company also offers services such as planning, consulting and assembly, and acts as a general contractor for conversions and renovations.

General ContractorsKitchen Planning and Kitchen ConstructionInterior Fit-OutCabinets and Wardrobes
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #25
Starhaus AG Logo

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.

Architecture FirmsConstruction consulting and site supervisionHome buildingProject development
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #26
Filipaj Architektur AG Logo

Filipaj Architektur AG

Since 1976 · 1–10 empl.

The core activity of Filipaj Architektur AG encompasses the planning and construction of real estate for private builders, investors and on its own account, including feasibility studies, land development, project planning, execution and construction management. Additionally, the company offers rental and management services for its own properties.

Architecture FirmsArchitectural planningConstruction executionRental apartments
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #27
Schlegel + Hofer, Dipl. Architekten AG Logo

Schlegel + Hofer, Dipl. Architekten AG

Since 1985 · 1–10 empl.

The company Schlegel + Hofer Dipl. Architekten AG is an architectural firm whose core activity lies in the planning and realization of construction projects, particularly in the areas of residential construction, public buildings, industrial and commercial buildings.

Architecture FirmsArchitectural servicesFeasibility studies and preliminary project studiesClient-side project support
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #28
Pedrett AG Logo

Pedrett AG

Since 1986 · 1–10 empl.

The core activity of Pedrett AG is the general planning and architecture of real estate, particularly in the areas of residential, commercial, industrial and retail. The company offers comprehensive services ranging from consulting and site acquisition to planning, construction management and controlling, as well as operational and maintenance concepts.

Architecture FirmsArchitecture and general planningProperty analysis and land acquisitionFeasibility studies and use models
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #29
Morscher AG Logo

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.

General ContractorsBuilding constructionCivil engineeringConsulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #30
Gebrüder Kressig Generalunternehmung AG Logo

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.

Building MaintenanceGeneral contracting and building planningBuilding construction worksConversions and renovations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #31
PS Generalunternehmung AG Logo

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.

General ContractorsGeneral planning and construction executionSingle-family housesMulti-family buildings
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #32
i+R Wohnbau AG Logo

i+R Wohnbau AG

Since 1997 · 11–20 empl.

The company's core activity is the development and realization of real estate projects, particularly in the residential sector, as a general contractor and general contractor, with a focus on project and site development, as well as the trade of Takeuchi excavators and corresponding services such as service, rental and sales.

General ContractorsCondominium apartmentsRental apartmentsInvestment & commercial
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #33
Schluchter Architekturbüro GmbH Logo

Schluchter Architekturbüro GmbH

Since 1998 · 1–10 empl.

The core activity of Schluchter Architekturbüro GmbH is the planning and implementation of all types of high-rise buildings, including residential, industrial and commercial buildings, private and public projects, new buildings as well as renovations and refurbishments, as architects, general planners and general contractors.

Architecture FirmsArchitecture, general planning and general contractingReal estate experts for property appraisals
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #34
Sieber-Viertl Holzbau GmbH Logo

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.

Architecture FirmsTimber construction
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #35
Bautaria AG Logo

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.

Building ConstructionNew Residential ConstructionReal Estate SalesConstruction Management
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #36
Forma Architekten AG Logo

Forma Architekten AG

Since 1999 · 11–20 empl.5.0(3)

The company's core activity is the provision of banking services.

Architecture FirmsFeasibility studiesNew construction of multi-family homesAlterations to existing buildings
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #37
Gähler Flühler Fankhauser Architekten AG Logo

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.

Architecture FirmsArchitectural services and construction managementProject developmentUrban planning
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #38
grob schöpfer ag Logo

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.

Architecture FirmsArchitectural planningOverall planningGeneral contracting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #39
Markus Alder, Architekten GmbH Logo

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.

General ContractorsArchitectural planningRenovation and renewalNew construction
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #40
Marty Häuser AG Logo

Marty Häuser AG

Since 2003 · 11–20 empl.

The company freshhaus specializes in turnkey construction of houses, particularly in planning, consulting and implementing house building projects. The core activity involves creating dream homes for customers, where the company offers a fixed price guarantee and uses flexible concepts and efficient processes to facilitate the construction process.

General ContractorsConcept homesTurnkey house constructionHouse construction planning and site support
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #41
Walser Innenausbau GmbH Logo

Walser Innenausbau GmbH

Since 2004 · 1–10 empl.

The core activity of Walser Innenausbau GmbH is interior finishing.

General ContractorsInterior fit-out
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #42
Niederer Ralph Generalunternehmer AG Logo

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.

General ContractorsGeneral contractingRenovationsOverall concepts for construction projects
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #43
Fensterle Beton- und Fertigteilwerk GmbH Logo

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.

Building ConstructionSingle-family and family housesReal estate constructionConstruction company
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #44
Swiss Household Services AG Logo

Swiss Household Services AG

Since 2006 · 11–20 empl.

Swiss Household Services AG distributes household appliances, notably electrical household and multimedia products (consumer electronics and computers), and plans and constructs kitchen and sanitary installations. The company provides general contracting services, related services and financing, and may acquire or sell real estate and participate in other companies.

General ContractorsSales of household, multimedia and computer devicesPlanning and installation of kitchen and sanitary systemsGeneral contractor
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #45
Kielholz+Partner AG Logo

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.

General ContractorsBuilding constructionEarthquake analysesPark deck system
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #46
Marc Saladin Architekten GmbH Logo

Marc Saladin Architekten GmbH

Since 2006 · 1–10 empl.

The core activity of the company "msarchitekten.ch" is architecture.

Architecture FirmsArchitectural planningConstruction managementProject development and study assignments
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #47
BBK ARCHITEKTEN AG, Balzers (LI), Zweigniederlassung Wartau Logo

BBK ARCHITEKTEN AG, Balzers (LI), Zweigniederlassung Wartau

Since 2007 · 1–10 empl.

BBK ARCHITEKTEN AG, Balzers (LI), Zweigniederlassung Wartau is an architectural firm providing design, planning and project-management services for new-build, conversion and extension projects, as well as competition entries and public building commissions.

Architecture FirmsArchitecture
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #48
hj baurealisation gmbh Logo

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 ContractorsGeneral and total contractor servicesClient advisory servicesArchitectural planning
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #49
KIBAG BAUSTOFFE SCHOLLBERG AG Logo

KIBAG BAUSTOFFE SCHOLLBERG AG

Since 2008 · 11–20 empl.

KIBAG BAUSTOFFE SCHOLLBERG AG is part of the KIBAG group and produces and supplies construction materials for the building sector. Its offering includes sand, gravel, crushed stone, ballast, concrete and recycled construction materials, complemented by materials testing, logistics and related site services.

General ContractorsAggregatesLimestone productsQuarry tours
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #50

General Contractors in the Canton of St. Gallen

550General ContractorsCommercial register (Zefix) · as of October 13, 2026
2015Median year of registrationCommercial register (Zefix) · as of October 13, 2026
550in the Canton of St. GallenCommercial register (Zefix) · as of October 13, 2026
9,211in SwitzerlandCommercial register (Zefix) · as of October 13, 2026
Locations

General Contractors in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 13, 2026