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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,877 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsSt. GallenGrünenfelder und Lorenz AG
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Verified· 3 sources

Grünenfelder und Lorenz AG

Summary

About the company

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.

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Offering

Products & services

Industry:Civil Engineering Firms
✓ Offered4
Building construction
Planning and execution of structural systems made of steel and prestressed concrete, masonry, steel and timber; structural preservation, earthquake strengthening, timber construction, steel construction, residential construction and conversions.
Civil engineering
Planning and execution of projects in road construction, rail construction, water engineering, excavation pits, special foundations and technical structures; drainage, slope stabilisation, flood protection and utility installation works.
BIM, digital construction
Creation of digital twins using the BIM method for planning, execution and operation; 3D digitisation, 2D-to-3D models, formwork, reinforcement and structural models.
Specialist areas
Services in structural maintenance and monitoring, construction surveying, inventory surveys, digitisation, project management and condition monitoring; setting-out, monitoring, client representation and overall construction supervision.
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Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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Location

Vadianstrasse 35
9000 St. Gallen
Opening hours
Mon
07:30 - 17:30
Tue
07:30 - 17:30
Wed
07:30 - 17:30
Thu
07:30 - 17:30
Fri
07:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.139.510
Founded
1983 · 43 years
Last commercial register change
January 8, 2026
Employees
11 to 20

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