Civil Engineering Firms in the
Canton of St. Gallen

123 companies in Civil Engineering Firms based in the Canton of St. Gallen — name and year of registration from the commercial register.

Companies

50 of 123 companies

Technoplan AG Logo

Technoplan AG

Since 1974

Building services engineeringHeatingSanitary installations
View profile4.7(3)
Gerevini Ingenieurbüro AG Logo

Gerevini Ingenieurbüro AG

Since 1975

Structural designBuilding physicsAcoustics
View profile5(2)
wlw Bauingenieure AG Logo

wlw Bauingenieure AG

Since 1976

Civil engineering servicesStructural designExcavation planning and shoring
View profile5(1)
FlumGeo AG Logo

FlumGeo AG

Since 1981

Geotechnics / GeologyHydrogeologyNatural hazards
View profile4(1)
Kalberer + Partner AG Logo

Kalberer + Partner AG

Since 1982

Building Services PlanningComprehensive ConceptsCoordination
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Nänny & Partner AG Logo

Nänny & Partner AG

Since 1982

Structural designCivil engineering servicesConsulting and expert reports
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Grünenfelder und Lorenz AG Logo

Grünenfelder und Lorenz AG

Since 1983

Building constructionCivil engineeringBIM, digital construction
View profile5(3)
Statiq Bauingenieure AG Logo

Statiq Bauingenieure AG

Since 1985

Structural engineering designStructural analyses and condition assessmentSeismic retrofitting
View profile5(2)
CDS Bauingenieure AG Logo

CDS Bauingenieure AG

Since 1986

Structural engineering consultingResidential constructionConversions
View profile5(7)
Tuffli & Partner AG Logo

Tuffli & Partner AG

Since 1989

Transport infrastructureUtilities and waste managementStructural civil engineering
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Kuster + Hager Ingenieurbüro AG St. Gallen Logo

Kuster + Hager Ingenieurbüro AG St. Gallen

Since 1989

Wastewater treatment and sewerage technology
View profile5(1)
Kuster + Hager Architektur AG Logo

Kuster + Hager Architektur AG

Since 1991

Architectural planning and executionSite management and construction managementDevelopment and design plans
View profile5(1)
A bis Z Planung AG Logo

A bis Z Planung AG

Since 1991

Planning
View profile3(1)
Ingenieurbüro Enzler AG Logo

Ingenieurbüro Enzler AG

Since 1992

Building constructionBridge constructionCivil engineering
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RKL AG Logo

RKL AG

Since 1993

Infrastructure / Civil EngineeringStructural Engineering for BuildingsClient Representation Services
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Egeter & Partner AG Logo

Egeter & Partner AG

Since 1995

Building construction and structural engineeringExcavations for foundations and geotechnicsRoad construction
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EnDes Engineering und Design AG Logo

EnDes Engineering und Design AG

Since 1996

Product development, engineering and designCalculation and FEM simulationProject management
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Lukas Domeisen AG Logo

Lukas Domeisen AG

Since 1997

Construction surveyingBuilding surveyingGeodata management
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D + S Baustatik GmbH Logo

D + S Baustatik GmbH

Since 1997

Solid constructionCivil engineeringSpecial deep foundation engineering
View profile5(12)
Egeter & Partner AG Logo

Egeter & Partner AG

Since 1998

Civil engineering servicesBuilding design and structural engineeringCivil works, road construction and utility networks
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Seger Ingenieure AG Logo

Seger Ingenieure AG

Since 1999

Civil and structural engineering services for buildings and infrastructureSpecial deep foundation and geotechnical engineeringInfrastructure structures
View profile5(6)
merz kley partner AG Logo

merz kley partner AG

Since 2000

Structural engineering designTimber constructionCompetition support
View profile4(2)
RKL AG Logo

RKL AG

Since 2000

Infrastructure / Civil Engineering WorksStructural Building EngineeringClient Services
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RKL AG Logo

RKL AG

Since 2000

Client servicesBuilding and engineering surveyingBridges and special structures
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RKL AG Logo

RKL AG

Since 2000

Infrastructure / civil engineeringStructural engineering for buildingsClient support
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Bleiker + Partner AG Logo

Bleiker + Partner AG

Since 2001

Structural building engineeringGeology and foundation excavationsCivil engineering works
View profile5(9)
Bauunterstützung, Schwarz und Partner, GmbH Logo

Bauunterstützung, Schwarz und Partner, GmbH

Since 2001

Project optimisationClient representationArchitecture
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Linder & Bokstaller AG Logo

Linder & Bokstaller AG

Since 2001

ConsultingPlanningExecution and construction management
View profile5(1)
Kuster + Hager Architekturbüro AG Logo

Kuster + Hager Architekturbüro AG

Since 2001

ArchitectureConstruction managementDevelopment and design plans
View profile5(1)
FKL & Partner AG Logo

FKL & Partner AG

Since 2002

Official surveysEngineering surveyingCivil engineering
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Billinger AG Logo

Billinger AG

Since 2002

Potable water supplyUtility pipeline constructionSpecial water supply structures
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Borgogno Eggenberger + Partner AG Logo

Borgogno Eggenberger + Partner AG

Since 2002

Bridge constructionBuilding constructionCivil engineering
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MT-Qualitest GmbH Logo

MT-Qualitest GmbH

Since 2003

Building analysisQuality assuranceMaintenance plan
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Lumal GmbH Logo

Lumal GmbH

Since 2003

Waste disposal parkSkip service
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Wälli AG Ingenieure, Zweigniederlassung St. Gallen Logo

Wälli AG Ingenieure, Zweigniederlassung St. Gallen

Since 2003

Structural civil engineeringCivil engineeringGeoinformatics
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Bänziger Partner AG Logo

Bänziger Partner AG

Since 2004

Bridge construction / special structuresBuilding constructionCivil engineering
View profile5(1)
Lukas Domeisen AG Logo

Lukas Domeisen AG

Since 2007

Land mutationsUtility network cadastreGIS / Geoportal
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Brunner + Partner AG Bauingenieure und Planer Logo

Brunner + Partner AG Bauingenieure und Planer

Since 2007

InfrastructureGeomaticsSpatial planning
View profile4.8(5)
Wälli AG Ingenieure, Zweigniederlassung Heerbrugg Logo

Wälli AG Ingenieure, Zweigniederlassung Heerbrugg

Since 2008

Structural engineeringCivil engineering (infrastructure)Geoinformatics
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Casutt Wyrsch Zwicky AG Bauingenieure und Planer Logo

Casutt Wyrsch Zwicky AG Bauingenieure und Planer

Since 2008

Alpine civil engineeringTransport routesBridge construction & structural engineering
View profile5(1)
Ingenieurbüro Rissi + Partner AG Logo

Ingenieurbüro Rissi + Partner AG

Since 2008

Hydraulic engineering / hydropowerUrban drainageUtility line construction
View profile5(1)
IM Design GmbH Logo

IM Design GmbH

Since 2009

Rebar reinforcement
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Eggenberger Ingenieur + Planer AG Logo

Eggenberger Ingenieur + Planer AG

Since 2009

Civil engineering and planning services
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UGS Baugrunduntersuchung AG Logo

UGS Baugrunduntersuchung AG

Since 2010

Soil investigation
View profile4.3(3)
Ingenieurbüro Hoch & Gassner Aktiengesellschaft, Triesenberg (LI), Zweigniederlassung Buchs SG Logo

Ingenieurbüro Hoch & Gassner Aktiengesellschaft, Triesenberg (LI), Zweigniederlassung Buchs SG

Since 2010

Structural civil engineeringCivil engineeringConstruction surveying
View profile5(2)
Bau Haas AG Logo

Bau Haas AG

Since 2010

Planning, construction and operation of water supply systemsPipeline construction and pipe renewalsReservoir construction and reservoir rehabilitation
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Bachofner GmbH Logo

Bachofner GmbH

Since 2011

Timber engineeringFire protection planningConstruction project support and condition assessments
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Ingenieurbüro Bieli GmbH Logo

Ingenieurbüro Bieli GmbH

Since 2011

Traffic engineeringTraffic planning
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Wickli + Brunner AG, Bauingenieure Logo

Wickli + Brunner AG, Bauingenieure

Since 2012

Structural engineering designSurveyingConstruction inspection
View profile5(1)
Wickli + Brunner AG, Bauingenieure Logo

Wickli + Brunner AG, Bauingenieure

Since 2013

Structural engineering designCivil engineering planningSurveying
View profile5(1)

Civil Engineering Firms in the Canton of St. Gallen

123Civil Engineering FirmsCommercial register (Zefix) · as of August 25, 2026
2009Median year of registrationCommercial register (Zefix) · as of August 25, 2026
123in the Canton of St. GallenCommercial register (Zefix) · as of August 25, 2026
1,769in SwitzerlandCommercial register (Zefix) · as of August 25, 2026
Locations

Civil Engineering Firms in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of August 25, 2026