Civil Engineering Firms in
Solothurn

9 companies in Civil Engineering Firms based in Solothurn — name and year of registration from the commercial register. The list below shows them all.

Companies

All 9 companies in Solothurn

Bauplaning AG Logo

Bauplaning AG

Since 2019 · 1–10 empl.5.0(12)

The core activity of Bauplaning AG is the provision of engineering services in the field of construction, particularly in the planning, supervision and renovation of construction projects, as well as in the remediation of radon and building pollutant problems.

Civil Engineering FirmsEngineering DesignPreservation of StructuresRadon Measurements and Radon Remediation
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #1
H. Katzenstein AG Logo

H. Katzenstein AG

Since 1999 · 1–10 empl.

The core activity of Katzenstein Bauingenieur GmbH is the provision of engineering services in the construction industry, particularly in structural engineering with structural planning and the associated excavations. This includes activities such as building construction, civil engineering, renovation, structural analysis, excavation work, pile foundations, groundwater lowering, structural reinforcement, condition assessment and owner representation.

Civil Engineering FirmsStructural designExcavation and construction pit closuresBuilding conservation and structural strengthening
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
Katzenstein Bauingenieur GmbH Logo

Katzenstein Bauingenieur GmbH

Since 2001 · 1–10 empl.

Katzenstein Bauingenieur GmbH is an independent civil engineering firm providing structural engineering and design services. Offerings include building construction (concrete, steel, timber), excavation and foundation works, refurbishment and structural reinforcement, and specialist services such as condition surveys, bridge inventories and client representation.

Civil Engineering FirmsStructural engineeringExcavation and civil engineering planningConversions and structural strengthening
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
Kontextplan AG Logo

Kontextplan AG

Since 2009 · 1–10 empl.

Kontextplan AG develops and plans sustainable living spaces and provides planning, consulting and implementation services in the areas of spatial planning and land use, mobility and traffic, participation and communication, client support and project management, and strategy and leadership.

Civil Engineering FirmsSpace & UseMobility & TransportParticipation & Communication
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
WAM Planer und Ingenieure AG Logo

WAM Planer und Ingenieure AG

Since 2010 · 21–50 empl.

WAM Planer und Ingenieure AG is an engineering firm that provides planning and engineering services in the fields of spatial/traffic environment, infrastructural engineering and structural engineering. Its services include infrastructure planning, structural design and timber-construction engineering.

Civil Engineering FirmsStructural engineering designTimber engineeringCivil infrastructure works
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
Kissling + Zbinden AG Ingenieure Planer, Zweigniederlassung Solothurn Logo

Kissling + Zbinden AG Ingenieure Planer, Zweigniederlassung Solothurn

Since 2021 · 1–10 empl.

Kissling + Zbinden AG Ingenieure Planer, Zweigniederlassung Solothurn is an engineering and planning firm that designs and delivers civil engineering projects. Its service areas include infrastructure construction, hydraulic engineering, structural design, building preservation, environmental engineering, construction management and specialist services.

Civil Engineering FirmsInfrastructure constructionWater engineeringLoad-bearing structures
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #6
SMT AG Ingenieure + Planer Logo

SMT AG Ingenieure + Planer

Since 2002 · 1–10 empl.5.0(3)

SMT AG Ingenieure + Planer provides engineering and planning services in structural engineering and civil engineering. The firm designs and calculates structures, bridges and excavations and delivers infrastructure projects such as roads, sewerage and water-supply systems, using digital planning (BIM) for new construction, renovation and deconstruction projects.

Civil Engineering FirmsStructural engineeringCivil engineering (underground works)Digital planning (BIM)
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #7
Wanner AG Solothurn Logo

Wanner AG Solothurn

Since 1993 · 11–20 empl.4.0(1)

The core activity of Wanner AG is the provision of services in the fields of geology, environment and natural hazards. Specifically, this includes: geological investigations and consulting, water protection and remediation, geothermal energy and heat utilization, contaminated site remediation and disposal, building pollutant investigation and remediation, soil and environmental consulting, natural hazard assessment and prevention, radon testing, and geological excursions and further education. The company offers these services to a variety of clients, including private individuals, companies, architects, engineers, municipalities and cantons.

Technical Consulting & EngineeringSubsoilWater protectionGeothermal energy
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #8
Keller + Dällenbach AG, Ingenieurbüro Logo

Keller + Dällenbach AG, Ingenieurbüro

Since 1989 · 11–20 empl.

The core activity of Keller + Dällenbach AG is the provision of engineering services in the field of civil engineering, particularly in the areas of: * Road construction * Urban water management * Pipeline construction * Load-bearing structures * Refurbishment of load-bearing structures The company offers planning and consulting services for construction projects focusing on the construction and renovation of roads, water structures, buildings and other structures.

Technical Consulting & EngineeringRoad and traffic infrastructure constructionMunicipal water engineeringUtility pipeline construction
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Civil Engineering Firms in Solothurn

9Civil Engineering FirmsCommercial register (Zefix) · as of October 11, 2026
2002Median year of registrationCommercial register (Zefix) · as of October 11, 2026
38in the Canton of SolothurnCommercial register (Zefix) · as of October 11, 2026
2,175in SwitzerlandCommercial register (Zefix) · as of October 11, 2026
Locations

Civil Engineering Firms in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 11, 2026

Largest places

Olten9