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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint742,806 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionSchinznach DorfTreier AG
Treier AG Logo
Verified· 4 sources

Treier AG

Summary

About the company

The core activity of TREIER AG is the provision of construction services, particularly in the fields of building construction, civil engineering, plastering, suction dredging, renovation, extension, refurbishment and monument preservation. The company offers a wide range of construction services and is involved in the planning, execution and maintenance of construction projects for private, industrial and public clients.

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Products & services

Industry:Building ConstructionBuilding Maintenance
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Civil Engineering
✓ Offered9
Building construction
New builds of single-family homes, residential developments, industrial facilities and commercial buildings; a classic master builder in building construction with modern tools and digitalisation.
Civil engineering
Preservation of value and renewal of infrastructure, surroundings and drainage; work on water pipes, utility rerouting and other civil engineering projects.
Plastering
Plastering work in new builds, conversions and in monument preservation; expert handling of historic building fabric and traditional craftsmanship.
Conversion
Conversions of existing buildings and rooms; remove existing walls and ceilings, close doors, open new windows and adapt uses.
Extension
Extensions to existing houses and buildings, such as additional rooms, terraces, garages or conservatories; implementation of conversion and extension projects.
Reviews

Aggregated rating

Aggregated rating
4.4
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.47
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Press

Media

July 10, 2026Media
Generationenwechsel bei Treier AG: Geschäftsführer Martin Kummer übergibt an seine Söhne
aargauerzeitung.ch
February 18, 2019Media
Vom Maurerlehrling zum Geschäftsleiter: Stabsübergabe bei Bauunternehmen Treier AG
aargauerzeitung.ch

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Location

Nebenbachweg 8
5107 Schinznach Dorf
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:00
Tue
07:30 - 12:00, 13:30 - 17:00
Wed
07:30 - 12:00, 13:30 - 17:00
Thu
07:30 - 12:00, 13:30 - 17:00
Fri
07:30 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-419.261.214
Founded
2013 · 13 years
Last commercial register change
July 21, 2026
Employees
51 to 100

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