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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,173 companies indexed · Last updated: today
DirectoryCivil Engineering Firms

Civil Engineering Firms

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1'771 companies found

The Design House Sàrl Logo

The Design House Sàrl 

Montricher · Since 2003

The core activity of the company "The Design House" is the planning and realization of construction projects, particularly in the field of new buildings and renovations of houses, as well as engineering services in the field of civil engineering. The company offers its services in partnership with qualified partners in the fields of engineering, concrete construction, BLC (Bois Lamellé Collé) and timber construction.

Civil Engineering Firms
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Theiler Ingenieure AG Logo

Theiler Ingenieure AG 

Thun · Since 1973

The core activity of Theiler Ingenieure AG is planning and construction management in building construction, civil engineering, hydraulic engineering and bridge construction. The company offers sustainable and economical solutions for demanding construction projects and has experience and innovation in these areas.

Civil Engineering Firms
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Theiler Ingenieure AG Logo

Theiler Ingenieure AG 

Zweisimmen · Since 2010

Theiler Ingenieure AG provides planning and construction management services in building engineering, civil engineering, hydraulic engineering and bridge engineering. The firm supports projects from design through execution and is ISO 9001 certified.

Civil Engineering Firms
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Theiler Ingenieure AG Logo

Theiler Ingenieure AG 

Saanen · Since 1980

Theiler Ingenieure AG is an engineering and planning firm offering planning and construction management services in building construction, civil engineering, hydraulic engineering and bridge engineering. It works across project phases from concept to execution and lists specialist areas such as structural design, water engineering and transport infrastructure.

Civil Engineering Firms
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Thoma Bauingenieurberatung AG Logo

Thoma Bauingenieurberatung AG 

Gisikon · Since 1984

The core activity of Thoma Bauingenieurberatung AG is the execution of nonlinear finite element analyses (FEM analyses) in structural engineering, particularly in the static analysis of existing steel-prestressed concrete structures. The company offers consulting mandates, where it develops goal-oriented solutions in collaboration with the client to answer questions regarding the load-bearing capacity and usability of steel-prestressed concrete structures.

Civil Engineering Firms
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Thomas Kernen AG Logo

Thomas Kernen AG 

Saanenmöser · Since 2015

The core activity of Thomas Kernen AG encompasses engineering services in the construction industry, particularly structural planning, repairs and renovations, as well as real estate valuation and consulting in the fields of construction, real estate, hospitality, gastronomy and event planning.

Civil Engineering Firms
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Timbatec Holzbauingenieure (Schweiz) AG Logo

Timbatec Holzbauingenieure (Schweiz) AG 

Thun · Since 2006

Timbatec Holzbauingenieure (Schweiz) AG is an engineering firm specializing in timber construction, providing planning and execution support for timber building projects. Core services include structural design, detailed/workshop planning, fire protection, building physics, product development and construction management.

Civil Engineering Firms
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TM-Montagen AG Logo

TM-Montagen AG 

Schenkon · Since 2021

TM-Montagen AG is a company providing level crossing solutions. It performs full and partial installations of STRAIL level crossing systems, acts as an authorized STRAIL installation manager, carries out maintenance work (removals and re-installations for tamping, welding, rail replacement) and offers sale and rental of new and used crossing panels on request.

Civil Engineering FirmsSpecialized Construction Activities
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TMP Baumanagement AG Logo

TMP Baumanagement AG 

Olten · Since 1992

The core activity of TMP Baumanagement AG is to support and advise clients in the planning, realization and management of infrastructure projects, particularly in the field of civil engineering and tunnel construction. The company offers services such as construction management, engineering services and project management to ensure the success of its clients' projects.

Civil Engineering FirmsConstruction & Project Management
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tobiasblaser.ch GmbH Logo

tobiasblaser.ch GmbH 

Brunnen · Since 2021

tobiasblaser.ch GmbH provides consulting in software architecture and traffic planning, including cloud-native architectures, event-driven design, microservices, ETL processes, frontend applications, and infrastructure and application deployment (CI/CD, IaC).

Civil Engineering FirmsIT Consulting & Services
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Trachsel AG Bauingenieure Logo

Trachsel AG Bauingenieure 

Lucerne · Since 2008

Trachsel AG Bauingenieure is an engineering firm that provides planning and consulting services in civil and structural engineering, with core expertise in building maintenance and renewal. The firm is part of the Kost + Partner AG and Schubiger AG group.

Civil Engineering Firms
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Tragwerklösungen GmbH Logo

Tragwerklösungen GmbH 

Ettiswil · Since 2012

Civil Engineering Firms
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Tratus AG Logo

Tratus AG 

Altdorf Ur · Since 2016

The core activity of TRATUS AG is the provision of services in the field of transportation planning and traffic engineering. This includes in particular: traffic analysis and concepts, transportation planning and engineering, design and planning of road spaces and parking facilities, traffic technical assessments and safety audits, review of construction projects and signaling plans, mobility concepts and transportation concepts. The company offers these services to public and private project sponsors and has in-depth project experience and knowledge in the classical disciplines of transportation planning.

Technical Consulting & EngineeringCivil Engineering Firms
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Trigonet AG Logo

Trigonet AG 

Lucerne · Since 2001

Trigonet AG provides geoinformation and surveying services, including official surveying, construction and specialist surveys, and utility cadastre. The company also offers geoinformatics and BIM services, geomonitoring, land management, as well as consulting, training and evidence-preservation measurements.

Civil Engineering Firms
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Trigonet AG Logo

Trigonet AG 

Dagmersellen · Since 2011

Trigonet AG provides geoinformation and surveying services. Offerings include official cadastral surveying, geomonitoring, BIM services, geoinformatics, land management, utility/works cadastre, and consulting and training.

Civil Engineering Firms
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Trigonet AG Logo

Trigonet AG 

Sursee · Since 2017

Trigonet AG provides geoinformation and surveying services, performing official cadastral surveys, construction and rail surveying, and maintaining utility cadastres. The company also offers geoinformatics, BIM services, geomonitoring, land management, consulting, training and monitoring solutions.

Civil Engineering Firms
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Trigonet AG Logo

Trigonet AG 

Sarnen · Since 2004

Trigonet AG is a geomatics company providing geospatial information and surveying services. Its offerings include official surveying, construction and building surveys, BIM services, geoinformatics, geomonitoring, land management, utility cadastre, and consulting, training and evidence documentation services.

Civil Engineering Firms
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Trigonet AG Logo

Trigonet AG 

Stans · Since 1980

Trigonet AG provides geospatial information and surveying services, including official cadastral surveying, construction surveying, laser scanning, drone photogrammetry and mobile mapping. The company also offers geoinformatics (geodata management, geo-applications, infrastructure and hosting), BIM services, geomonitoring, land management, utility cadastres, consulting, training and evidence-preservation measurements.

Civil Engineering Firms
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Triton Ingenieure AG Logo

Triton Ingenieure AG 

Uster · Since 2022

The company is an engineering firm specializing in constructive hydraulic engineering. The core activities include: Consulting and planning in the field of hydraulic engineering, Shoreline protection at lakes and rivers, Boat and shipping facilities, Pipeline construction, Revitalization and upgrading of water bodies, Condition assessments and evaluations of structures under and above water, Flood protection and object protection, Renovation and revitalization of historic buildings. The company offers targeted consulting and planning and has an experienced team with over 20 years of professional experience in constructive hydraulic engineering.

Civil Engineering Firms
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Tuffli & Partner AG Logo

Tuffli & Partner AG 

Mels · Since 1989

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.

Civil Engineering Firms
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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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