Civil Engineering Firms in the
Canton of St. Gallen
152 companies in Civil Engineering Firms based in the Canton of St. Gallen — name and year of registration from the commercial register.
50 of 152 companies

GEMASY GmbH
Since 2003 · 1–10 empl.5.0(23)
GEMASY GmbH is a Swiss company for gastro planning, restaurant planning, gastro consulting, and general planning. The gastro-expert Daniel Marbot and his team develop operating concepts, plan large kitchens, restaurants, hotels and collective catering, and accompany new constructions and renovations from conception to realization. Other focal points are operations optimization, gastro renovation, profitability analyses and second opinions, as well as operator placement and tenant tenders in case of operator changes for restaurants and gastronomy properties. GEMASY combines more than 25 years of experience in gastronomy, planning, technology and operations with a nationwide Swiss network.
D + S Baustatik GmbH
Since 1997 · 11–20 empl.4.5(15)
The core activity of D+S Baustatik GmbH is the provision of services in the field of construction, particularly in the areas of: structural engineering, civil engineering, special foundation engineering, steel construction, timber construction, renovation, building maintenance, and expert opinions. The company also offers engineering services, cost estimates, high-rise building constructions, special foundation engineering, excavation pits, sewage systems, and road construction. Additionally, it has a talent development program and offers training positions.
Gerevini Ingenieurbüro AG
Since 1975 · 11–20 empl.5.0(5)
The core activity of Gerevini Ingenieurbüro AG is the provision of services in the field of structural engineering, particularly in the areas of structural planning, building physics and acoustics. This includes the planning and consulting of high-rise buildings of all kinds, including reinforced concrete, wood and steel structures, as well as the preparation of expert opinions and consulting in the areas of heat, sound and moisture protection, energy and insulation concepts, Minergie and passive house concepts, as well as sound insulation certificates.
Bleiker + Partner AG
Since 2001 · 1–10 empl.5.0(9)
The core activity of Bleiker + Partner AG primarily encompasses services in the field of construction, particularly: * Structural engineering and high-rise construction * Geology and excavation pits * Civil engineering. In addition, the company also offers a copying and scanning service.
ERR AG
Since 2013 · 21–50 empl.4.5(4)
ERR AG offers spatial planning and urban design services, preparing planning instruments such as concepts, sectoral and zoning plans, special‑use plans and managing variance, competition and study procedures. The firm also delivers mobility concepts, traffic and noise assessments, environmental analyses and operational/design concepts for public spaces.
CDS Bauingenieure AG
Since 1986 · 11–20 empl.5.0(7)
The core activity of CDS Bauingenieure AG is the provision of civil engineering services, particularly in the planning of high-rise and underground buildings for private and public clients, as well as in the support of engineering software for civil engineering companies.
Bänziger Partner AG
Since 2004 · 101–500 empl.5.0(1)
Bänziger Partner AG is an engineering firm providing structural design, project management and consulting services for building construction, bridge and civil engineering, and water/environment projects. Its offerings include timber engineering, digital construction (BIM), model-based simulations and technical assessments.
Vermflex GmbH
Since 2019 · 11–20 empl.5.0(5)
The core activity of Vermflex GmbH is the provision of surveying services, particularly in the field of drone surveying, as well as digital construction site monitoring and management (Digital Construction Site) and Building Information Modeling (BIM).
Seger Ingenieure AG
Since 1999 · 21–50 empl.5.0(6)
The core activity of Seger Ingenieure GmbH is the provision of engineering services in the fields of civil and structural engineering, including building construction, special foundation engineering, infrastructure and owner's consulting.
Ingenieurteam IFE AG
Since 1984 · 11–20 empl.5.0(5)
The core activity of Ingenieurteam AG encompasses the provision of services in the following areas: * Contaminant diagnostics and consulting * Utility company consulting (Energieversorgungsunternehmen) * General contracting * Photovoltaics * WIS/GIS (Factory Information Systems/Geographic Information Systems) * Thermography * Equipment and vehicle fleet management The company also offers project management and consulting in the areas of distribution networks, communication networks, electrical distribution networks, and approval procedures. Thus, the company's core activity lies in the field of technical consulting and services for the energy and supply industry.
LANDIS AG
Since 2020 · 1–10 empl.5.0(10)
LANDIS AG is an engineering and planning firm focused on civil engineering and spatial planning. Its services include water and environmental engineering, municipal engineering, sewer asset maintenance, real estate development, infrastructure and road construction, structural analysis, fire protection, project-owner advisory and construction inspection.
Wälli AG Ingenieure, Zweigniederlassung Heerbrugg
Since 1975 · 11–20 empl.
Wälli AG Ingenieure, Zweigniederlassung Heerbrugg is an engineering branch providing services in structural engineering, civil infrastructure and geoinformatics. Activities include structural design and planning, civil engineering for roads and water infrastructure, and geoinformatics services such as surveying, WebGIS, BIM and geomonitoring.
Kalberer + Partner AG
Since 1982 · 1–10 empl.
Kalberer + Partner AG is a neutral planning firm for building services and industrial installations, providing design and coordination of heating, ventilation, air conditioning/cooling, sanitary systems and project coordination. The company emphasizes the use of renewable energy while taking economic feasibility into account.
Nänny & Partner AG
Since 1982 · 21–50 empl.
Nänny & Partner AG is an engineering firm for structural design, civil engineering and technical building assessments. Services include the design of concrete, steel and timber structures, planning of roads and drainage systems, and preparation of expert reports for construction and legal purposes.
Grünenfelder und Lorenz AG
Since 1983 · 11–20 empl.5.0(3)
The core activity of Grünenfelder & Lorenz AG is the provision of engineering services and planning services in the field of construction, particularly in the areas of building construction, civil engineering, BIM/digital construction and special fields such as area development, stream restoration and culvert construction. The company offers its services as an independent engineering firm in Eastern Switzerland and has been in operation since 1934.
Tuffli & Partner AG
Since 1989 · 21–50 empl.
Tuffli & Partner AG provides civil engineering and planning services for infrastructure projects, covering areas such as transport infrastructure, utilities and drainage, structural engineering, environmental services, noise and acoustics, safety, and client support/project management.
Ingenieurbüro Enzler AG
Since 1992 · 1–10 empl.
The core activity of Enzler Ingenieurbüro AG is the provision of engineering services in the field of civil engineering, including high-rise construction, underground construction and bridge building.
RKL AG
Since 1993 · 51–100 empl.
RKL AG is an engineering firm providing civil engineering and surveying services, including planning, structural design, geotechnical and infrastructure works, BIM and construction supervision for public and private projects.
Egeter & Partner AG
Since 1995 · 1–10 empl.
Egeter & Partner AG is an independent engineering, planning and consulting firm providing civil engineering services. The company delivers services for structural and civil works as well as environmental and hydraulic engineering, covering specialties such as geotechnical engineering, concrete, steel and timber structures, fire protection, seismic engineering, surveying and utility/works construction.
EnDes Engineering und Design AG
Since 1996 · 11–20 empl.
EnDes Engineering und Design AG is an internationally oriented engineering company providing engineering and design services as well as project management, development, innovation and simulation. Its offering covers the full product development chain from feasibility studies and concept design to detailed engineering, FEM analysis, prototyping and virtual-reality-supported reviews.
Lukas Domeisen AG
Since 1997 · 21–50 empl.
Lukas Domeisen AG provides surveying, geomatics and municipal engineering services, including official cadastral surveying, construction surveying, GIS data management and geomonitoring. Their methods include 3D laser scanning, drone photogrammetry, BIM/BIM2FIELD workflows and vibration/deformation measurements.
Egeter & Partner AG
Since 1998 · 1–10 empl.
Egeter & Partner AG is an independent civil engineering and planning firm. The company provides engineering services for building and infrastructure projects, including structural design, geotechnical engineering, concrete and steel construction, timber construction, fire protection and seismic/dynamic analysis, as well as building maintenance and technical assessments. Additional services include surveying, utility and water engineering, road construction, general drainage plans (GEP) and competition/project planning.
RKL AG
Since 2000 · 51–100 empl.
RKL AG is an engineering firm for civil engineering and construction surveying, offering planning and consulting services across infrastructure, structural engineering and surveying disciplines.
RKL AG
Since 2000 · 51–100 empl.
RKL AG is a civil engineering firm providing planning, consulting and execution support for construction projects. Its services cover civil and structural engineering as well as construction and engineering surveying, with expertise in infrastructure works, geotechnical engineering, seismic safety and BIM.
RKL AG
Since 2000 · 51–100 empl.
RKL AG is an engineering office providing planning, consultancy and building/engineering surveying services for construction projects. Its services cover infrastructure/civil engineering (roads, water and river works, utilities and waste-water systems, municipal engineering), structural engineering (structural design, geotechnical and special foundation work, seismic safety, condition assessments, BIM) and project support throughout construction phases.
Bauunterstützung, Schwarz und Partner, GmbH
Since 2001 · 1–10 empl.
Bauunterstützung, Schwarz und Partner, GmbH provides project management, general planning, architectural design, planning and client-representation and advisory services for construction projects.
FKL & Partner AG
Since 2002 · 1–10 empl.
FKL & Partner AG is a surveying and engineering firm offering official cadastral surveys, engineering surveying, geoinformatics, terrestrial laser scanning, ground-penetrating radar and evidential monitoring services. The company operates the GeoRi GIS solution, has developed the Gidaba‑Win land-information software and provides services to municipalities, cantonal authorities, construction firms and private clients.
Billinger AG
Since 2002 · 11–20 empl.
The core activity of Billinger AG is engineering, particularly in the field of civil engineering, with a focus on: drinking water supply and pipeline construction, building construction and civil engineering, road construction and pipeline construction, wastewater and sewer construction, fire protection, and GIS (Geographic Information Systems). The company offers planning and consulting services in these areas and has an experienced team of civil engineers, technical staff and draftsmen.
Borgogno Eggenberger + Partner AG
Since 2002 · 11–20 empl.
The core activity of Borgogno Eggenberger und Partner AG is the provision of services as civil engineers. The company offers planning and consulting services in the field of civil engineering, including the execution of projects in new and existing buildings, earthquake safety inspections and renovations, as well as other engineering services.
MT-Qualitest GmbH
Since 2003 · 1–10 empl.
The core activity of MT-Qualitest GmbH is the execution of condition assessments and quality controls on buildings, particularly on buildings, bridges and other infrastructure projects. This includes the creation of expert reports, damage assessments and the execution of specialized measurements such as potential field measurements, thermography and crack monitoring. The company also offers laboratory tests and construction supervision to ensure the quality of construction projects.
Lumal GmbH
Since 2003 · 1–10 empl.
Lumal GmbH is part of the saw group and presents services related to concrete, precast concrete elements, logistics, disposal, and rental on its website. The company produces concrete elements and ready-mix concrete and provides related consulting and services for construction projects.
Wälli AG Ingenieure, Zweigniederlassung St. Gallen
Since 2003 · 11–20 empl.
Wälli AG Ingenieure, Zweigniederlassung St. Gallen provides engineering planning and consulting services in structural engineering, civil/infrastructure engineering and geoinformatics. Its offerings include structural design, infrastructure planning, geodata processing and specialised services such as leak detection and equipment trading.
Lukas Domeisen AG
Since 2007 · 21–50 empl.
Lukas Domeisen AG is an engineering and surveying firm providing surveying, geomatics and municipal engineering services. Its offerings include official cadastral surveying, construction surveying and stakeout, GIS and geodata management, monitoring and expert reports.
Bachofner GmbH
Since 2011 · 11–20 empl.
The core activity of Bachofner GmbH is the planning and realization of construction projects, particularly in the field of timber construction, as well as providing engineering services for the planning and execution of buildings and facilities. This includes the planning and realization of single-family homes, multi-family homes, agricultural buildings, school facilities and other construction projects.
Ingenieurbüro Bieli GmbH
Since 2011 · 1–10 empl.
The core activity of the company "Ingenieurbüro Bieli" is the provision of services in the field of transportation technology and transportation planning. This includes in particular: planning and implementation of intelligent transportation technology, such as traffic signal systems; creation of functional road space designs, intermodal transportation concepts, and traffic-related expert opinions for road or construction projects; and consulting public and private institutions on transportation-related issues during the planning and implementation of construction projects. The company thus offers engineering services for the planning and implementation of transportation infrastructure and systems.
BPA GmbH St. Gallen
Since 2012 · 1–10 empl.
BPA GmbH St. Gallen is an engineering firm for planning and execution. It provides structural design, construction management and expert assessments, with services including reinforced concrete and steel structures, excavation, bridges, waterway works, road construction and sewer systems.
wapf der bauzeichner gmbh
Since 2013 · 1–10 empl.
The core activity of Wapf der Bauzeichner GmbH is the creation of formwork plans and reinforcement plans for the construction industry.
FKL & Partner AG
Since 2014 · 1–10 empl.
FKL & Partner AG is a surveying and engineering firm that provides cadastral (official) surveying, engineering surveying, geoinformatics, terrestrial laser scanning, ground-penetrating radar and evidence-documentation as well as construction-related surveying services.
RKL AG, Zweigniederlassung St. Gallen
Since 2015 · 51–100 empl.
RKL AG, Zweigniederlassung St. Gallen is a civil engineering firm providing planning, consulting and surveying services for infrastructure and structural engineering projects. Core services include infrastructure and civil works, structural engineering (including structural design, geotechnical and special foundation works), building and engineering surveying, BIM and condition and seismic assessments.
Nardone Ingenieure AG
Since 2017 · 1–10 empl.
The core activity of Nardone Ingenieure AG is the provision of engineering services in the field of civil engineering and construction, including structural planning, structural engineering, bridge construction, infrastructure, road construction, environmental and water engineering, as well as consulting services for building owners and municipalities.
E. Büchel AG
Since 1991 · 1–10 empl.
Späni Bauingenieure AG
Since 1994 · 1–10 empl.
Ingenieurbüro Josef Mannhart
Since 1984 · 1–10 empl.
The core activity of ING Mannhart is the planning, design, surveying and construction management of building construction, civil engineering and hydraulic engineering projects.
Ingenieurbüro K. Vogt AG
Since 2018 · 51–100 empl.4.4(8)
Ingenieurbüro K. Vogt AG is an engineering firm focused on structural engineering and comprehensive planning for industrial, commercial and residential buildings. Its services include engineering planning and overall project coordination for building projects.
Hunziker Betatech AG
Since 2023 · 101–500 empl.
Hunziker Betatech AG provides multidisciplinary engineering services in the fields of water, construction and environment. Services include planning and consulting as well as technical solutions such as wastewater and water‑supply concepts, hydraulics and process engineering, energy and building services, and digital/BIM offerings.
Donatsch + Partner AG
Since 2019 · 11–20 empl.5.0(7)
Donatsch + Partner AG is an engineering and geomatics firm providing services in geomatics, engineering surveying, civil engineering and building preservation. Its offerings include consulting, planning and project realization, as well as official surveying, utility cadastres, building office support and construction profiling.
Technoplan AG
Since 1974 · 11–20 empl.4.7(3)
The core activity of Technoplan AG is planning and consulting in the field of building technology, particularly in the areas of heating, ventilation, sanitation and fire protection. The company provides engineering services for various types of buildings, including residential buildings, public buildings, industrial buildings and hotels.
Bänziger Partner AG, Zweigniederlassung St. Gallen
Since 2004 · 101–500 empl.5.0(1)
Bänziger Partner AG, Zweigniederlassung St. Gallen provides engineering services for bridge and civil structures, building and timber engineering, infrastructure and water/environment works, and offers project management, technical consulting and digital construction (BIM) services.
Bänziger Partner AG, Zweigniederlassung Widnau
Since 2004 · 101–500 empl.5.0(1)
Bänziger Partner AG, Zweigniederlassung Widnau provides engineering planning and consulting services in bridge engineering, structural and civil engineering, timber engineering, and environmental and water engineering. Its offerings include project management, expert assessment and verification mandates, structural checks, and model-based digital construction (BIM) services.
wlw Bauingenieure AG
Since 1976 · 21–50 empl.5.0(1)
wlw Bauingenieure AG is an interdisciplinary engineering firm working in structural and civil engineering. The company provides consulting, planning and structural calculations, excavation and foundation solutions, construction management and quality assurance, and specialist services such as 3D laser scanning, engineering surveying, cableway engineering and BIM planning.
Civil Engineering Firms in the Canton of St. Gallen
Civil Engineering Firms in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of October 11, 2026
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