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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,089 companies indexed · Last updated: today
DirectoryCivil Engineering Firms

Civil Engineering Firms

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1'771 companies found

Fürst Laffranchi Bauingenieure GmbH Logo

Fürst Laffranchi Bauingenieure GmbH 

Wolfwil · Since 2000

Fürst Laffranchi is an engineering firm specializing in the planning and realization of load-bearing structures for bridges, high-rise and underground construction. Their core activities include conducting condition analyses and inspections of existing load-bearing structures as well as applying specialized and expert knowledge in the fields of structural analysis, construction and geotechnics.

Civil Engineering Firms
View profile5(3)
Gartmann Schmed & Partner AG Logo

Gartmann Schmed & Partner AG 

Chur · Since 2014

Gartmann Schmed & Partner AG is a structural engineering firm providing design and construction management services. Its work includes planning and site supervision for bridges and civil structures, special deep foundations, building and industrial construction, structural inspections and repairs, seismic assessment and strengthening, and expert mandates.

Civil Engineering Firms
View profile5(3)
Geoinfra Ingenieure AG Logo

Geoinfra Ingenieure AG 

Siebnen · Since 2021

Geoinfra Ingenieure AG is an interdisciplinary engineering firm with core competencies in traffic and infrastructure, geoinformatics and surveying, water, and municipal engineering and spatial development. The company supports public and private clients from concept to implementation, providing services such as project management, client representation and GIS-based solutions.

Civil Engineering Firms
View profile5(3)
Geoinfra Ingenieure AG Logo

Geoinfra Ingenieure AG 

Pfäffikon Sz · Since 2020

Geoinfra Ingenieure AG is an interdisciplinary engineering firm offering services in traffic and infrastructure, geoinformatics and surveying, water, and municipal civil engineering and spatial development. The company supports public and private clients from initial planning through implementation and employs digital methods and modern technology.

Civil Engineering Firms
View profile5(3)
Geoinfra Ingenieure AG Logo

Geoinfra Ingenieure AG 

Immensee · Since 2021

Geoinfra Ingenieure AG is an engineering firm for geomatics and infrastructure that provides planning, consulting and project management services to public and private clients. Its core areas include transport and infrastructure, geoinformatics and surveying, municipal engineering and water engineering.

Civil Engineering Firms
View profile5(3)
Geoinfra Ingenieure AG Logo

Geoinfra Ingenieure AG 

Oberarth · Since 2021

Geoinfra Ingenieure AG is an engineering firm focused on geomatics and infrastructure, providing services in transport and infrastructure, geoinformatics and surveying, municipal engineering and spatial planning, and water engineering.

Civil Engineering Firms
View profile5(3)
Geoinfra Ingenieure AG Logo

Geoinfra Ingenieure AG 

Einsiedeln · Since 2021

Geoinfra Ingenieure AG is an interdisciplinary engineering and geomatics firm providing planning, surveying and consultancy services in traffic and infrastructure, geoinformatics and surveying, water, and municipal engineering and spatial development. The company supports public and private clients from initial concept through implementation and applies digital methods and technologies.

Civil Engineering Firms
View profile5(3)
Geoinfra Ingenieure AG Logo

Geoinfra Ingenieure AG 

Jona · Since 2021

Geoinfra Ingenieure AG is an engineering firm focused on geomatics and infrastructure. It provides services in traffic and infrastructure, geoinformatics and surveying, municipal engineering and spatial development, and water engineering, including project management, client representation, GIS analyses and technical consultancy for public and private clients.

Civil Engineering Firms
View profile5(3)
Geoinfra Ingenieure AG Logo

Geoinfra Ingenieure AG 

Richterswil · Since 2021

Geoinfra Ingenieure AG is an engineering firm for geomatics and infrastructure. The company provides planning, surveying, GIS, project management and consulting services in traffic/infrastructure, geomatics/surveying, municipal engineering/spatial development and water for public and private clients.

Civil Engineering Firms
View profile5(3)
Geoinfra Ingenieure AG Logo

Geoinfra Ingenieure AG 

Weggis · Since 2021

Geoinfra Ingenieure AG is an engineering firm providing geomatics and infrastructure services to public and private clients. Core competencies include traffic and infrastructure, geoinformatics and surveying, municipal engineering and spatial development, and water; services include project management, client representation and GIS solutions.

Civil Engineering Firms
View profile5(3)
Geotest S.A. Logo

Geotest S.A. 

Le Mont-Sur-Lausanne · Since 1989

Geotest S.A. is a geosciences consultancy offering services including site development, engineering geology and subsurface investigations, groundwater and geothermal studies, natural-hazard assessment, contaminated-site and environmental services, as well as geoinformatics and 3D modelling.

Civil Engineering Firms
View profile5(3)
Grünenfelder und Lorenz AG Logo

Grünenfelder und Lorenz AG 

St. Gallen · Since 1983

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.

Civil Engineering Firms
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Hartenbach & Wenger AG Logo

Hartenbach & Wenger AG 

Bern · Since 1991

The core activity of Hartenbach & Wenger AG includes the planning and management of construction projects in civil and structural engineering, particularly structures of bridges and buildings, excavations and utility lines, as well as renovations. This also includes specialized services such as earthquake analysis, fire safety, evidence preservation and construction damage assessment.

Technical Consulting & EngineeringCivil Engineering Firms
View profile2.3(3)
H + H Réalisation SA Logo

H + H Réalisation SA 

Sion · Since 2018

H + H Réalisation SA is a company offering civil engineering, architectural and real-estate services, including surveying and planning for building and infrastructure projects such as structures, roads, tunnels and water systems.

Civil Engineering FirmsGeneral Contractors
View profile5(3)
HTB Ingenieure AG Logo

HTB Ingenieure AG 

Pfäffikon Sz · Since 1969

HTB Ingenieure AG is an engineering and planning firm providing structural calculations for building construction, structural engineering and building renovation, and undertaking design and construction management for infrastructure projects. Its services also cover geotechnical engineering, fire protection and overall planning, special structures and infrastructure works, building maintenance, and consulting/expert assessments such as seismic safety verifications.

Civil Engineering Firms
View profile4.7(3)
HTB Ingenieure AG Logo

HTB Ingenieure AG 

Stäfa · Since 1969

HTB Ingenieure AG performs structural calculations for building construction, designs structural civil-engineering works, and handles planning and construction management for infrastructure projects. Other services include geotechnical and foundation engineering, fire-protection and overall planning, building preservation, and consultancy and expert reports, including seismic safety verifications.

Civil Engineering Firms
View profile4.7(3)
Hünerwadel & Häberli Sion SA Ingénieurs Conseils Logo

Hünerwadel & Häberli Sion SA Ingénieurs Conseils 

Sion · Since 1974

Hünerwadel & Häberli Sion SA Ingénieurs Conseils is an engineering and design firm providing services in civil engineering, architecture and real estate development. Its services include structural design, road and tunnel works, underground networks, surveying, project management and construction supervision.

Civil Engineering Firms
View profile5(3)
ICG Ingenieure AG Logo

ICG Ingenieure AG 

Ottoberg · Since 2005

The core activity of ICG Ingenieure AG is planning and consulting in the field of civil and structural engineering.

Technical Consulting & EngineeringCivil Engineering Firms
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INGEA SA Logo

INGEA SA 

Lausanne · Since 2014

The core activity of Ingea S.A. encompasses engineering services in the field of construction, specifically: Engineering services for the construction and renovation of buildings (Civil Engineering) Transformation and maintenance of buildings (Transformation & Maintenance Buildings) Engineering services for the construction of bridges and other engineering structures (Civil Engineering & Engineering Works) Fire protection and fire protection concepts (Fire Protection) Building inspections and expert opinions (Building Audits and Expertise) Concepts for fire protection and fire protection inspections (Fire Protection Concept and Inspection) Monitoring of execution and conformity declaration (Execution Monitoring and Conformity Declaration) Overall, Ingea S.A. offers comprehensive engineering services for the construction and real estate sector.

Civil Engineering Firms
View profile5(3)
Ingeni SA Logo

Ingeni SA 

Grand-Lancy · Since 2009

Ingeni SA is a structural engineering firm focused on the design and execution of structures and civil engineering projects. The company handles all project phases and provides services for load-bearing structures in buildings, highways and bridges, operating through multiple offices in Switzerland.

Civil Engineering Firms
View profile5(3)
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Frequently asked questions

Searching the directory

How the search works, what each filter means, and how the results come together.

What can I search for in the directory?
The search field matches company names, industries and places. Beyond that you can filter by Industry (18 categories based on the NOGA classification), Size (number of employees), Region (canton, language region or postal code) and Special (keywords and entry date). Filters combine freely; the active ones appear as chips below the filter bar and can be removed there individually.
How do keywords work?
Keywords search the description and stated purpose of each company — the text that goes beyond the company name. Multiple keywords are combined with OR: every additional keyword widens the set of matches rather than narrowing it.
What belongs in the postal code field?
A single postal code (e.g. 8000) or a range (e.g. 1000-1010). The field accepts postal codes only — for place names, use Canton or Language region.
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How is organisation size determined?
Size reflects the number of employees and is calculated from publicly available information by a model developed in-house. It is a best-possible estimate, not an official figure.
What does the Verified label mean?
Verified means the entry is tied to a UID (Swiss business identification number) and therefore links back to the official Swiss business register. The label speaks to the company's identity — it is not a rating of its performance.

Source: Federal Statistical Office, UID register

How do I sort the results?
Use the dropdown above the list: Relevance, Name (A–Z), Best rating, Most reviews or Longest established. You can also switch between list and map view and set how many results appear per page.
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