Civil Engineering Firms in
St. Gallen
28 companies in Civil Engineering Firms based in St. Gallen — name and year of registration from the commercial register. The list below shows them all.
All 28 companies in St. Gallen
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.
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.
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).
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.
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.
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.
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.
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.
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.
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.
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.
FlumGeo AG
Since 1981 · 1–10 empl.4.5(2)
The core activity of Flumgeo is the provision of services in the fields of geotechnics, geology, hydrogeology and natural hazards. This includes, in particular, the planning, consulting and implementation of projects related to soil, water and natural hazards, such as the investigation and evaluation of soil conditions, the planning of groundwater management systems and the risk assessment of natural hazards such as landslides or floods.
Kuster + Hager Ingenieurbüro AG St. Gallen
Since 1989 · 11–20 empl.5.0(1)
The core activity of Kuster & Hager encompasses engineering and architectural services, particularly in the fields of civil and structural engineering, water and environmental management, as well as real estate. The company also provides general contractor services and possesses a broad range of competencies in these areas.
F. Preisig AG, Bauingenieure und Planer, Zweigniederlassung St. Gallen
Since 2015 · 11–20 empl.5.0(1)
F. Preisig AG, Bauingenieure und Planer, Zweigniederlassung St. Gallen provides civil engineering and planning services, covering transport infrastructure and traffic planning, structural and building engineering, environmental, energy and water projects, as well as construction consultancy and project management.
Atlas Tragwerke AG
Since 2024 · 1–10 empl.5.0(1)
Atlas Tragwerke AG is a structural engineering office that designs and preserves load‑bearing structures using various building materials. The practice provides structural design and consultancy services with a focus on historic constructions, refurbishment, ReUse concepts and competition projects.
Ribi + Blum AG
Since 2022 · 1–10 empl.5.0(1)
Ribi + Blum AG is an engineering and planning firm (SIA / suisse.ing) providing structural engineering and planning services across building construction, civil engineering and transport for all project phases. Services include steel construction, special foundations, excavation design, seismic safety, building preservation and expert reports, as well as sewer and utility planning, road construction and the use of BIM methods.
Construplan AG
Since 1999 · 1–10 empl.
Geotest AG
Since 1989 · 1–10 empl.
BKM Ingenieure AG
Since 1993 · 1–10 empl.
Hartung Stahlplan
Since 2008 · 1–10 empl.
DJUKIC Stahlplanung
Since 2011 · 1–10 empl.
praquacon water resources management Dipl.-Ing. Joachim Hellmold M.Sc.
Since 2012 · 1–10 empl.
Bau + Plan AG
Since 2020 · 1–10 empl.
Holz-Bau-Physik GmbH
Since 2024 · 1–10 empl.
Civil Engineering Firms in 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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