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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,194 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringLangenthalSIEGRIST INGENIEUR- UND PLANUNGSBÜRO AG
SIEGRIST INGENIEUR- UND PLANUNGSBÜRO AG Logo
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SIEGRIST INGENIEUR- UND PLANUNGSBÜRO AG

Summary

About the company

SIEGRIST INGENIEUR- UND PLANUNGSBÜRO AG is an engineering and planning office providing civil engineering services such as road construction, civil works, railway engineering, hydraulic engineering, structural design, client representation, surveying/GIS and BIM.

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Offering

Products & services

Industry:Civil Engineering
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Civil engineering works
Planning and implementation of water supply systems, wastewater systems, municipal drainage and utility systems; property servicing, developments, GEP and GWP.
Road construction
Planning and implementation of road and traffic systems, rehabilitation planning and maintenance management, traffic safety and traffic design expert assessments, noise protection measures.
Rail construction
Specialist and overall planning for standard and narrow-gauge lines, track renewals, extension and conversion of stations, noise protection measures, special structures and PGV procedures.
Load-bearing structures
Pre-dimensioning, structural concepts, structural calculations and design for load-bearing structures, foundations and excavation supports; detailed statics, structural plans and reports.
Construction surveying / GIS
Site and terrain surveys, monitoring measurements, drone surveying, digital terrain models, utility line surveys as well as GIS services and WebGIS.
Client support
Specialist advice and support in structural engineering, representation of the client’s interests, technical coaching, process support and strategic development.
BIM (Building Information Modeling)
Digital modelling with 3D, 4D and 5D models, collision and model checks, openBIM data exchange, CDE platforms and management of BIM models.
Reviews

Aggregated rating

Aggregated rating
4.6
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle4.610
★TrustpilotSoon
PProvenExpertSoon

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Location

Murgenthalstrasse 30
4900 Langenthal
Opening hours
Mon
07:30 - 17:00
Tue
07:30 - 17:00
Wed
07:30 - 17:00
Thu
07:30 - 17:00
Fri
07:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-108.149.652
Founded
1993 · 33 years
Last commercial register change
February 6, 2026
Employees
11 to 20

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