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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint742,807 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceGrenchenGSK Bau AG
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Verified· 3 sources

GSK Bau AG

Summary

About the company

GSK Bau AG is a construction company providing carpentry and kitchen installation, bathroom renovations and comprehensive building refurbishment and repair services.

AI-generated
Offering

Products & services

Industry:Building Maintenance
✓ Offered11
Alterations
Alterations for kitchens, bathrooms and other living areas; coordinated execution from a single source with multiple trades.
Refurbishments
Refurbishments of single- and multi-family houses, as well as comprehensive overall refurbishments with various fit-out and construction works.
Renovations
Renovations with general building, fit-out and surface works, coordinated with alteration and refurbishment projects.
Kitchen construction
Kitchen construction including kitchen alterations, kitchen installation and matching carpentry works for installation and adaptation.
Bathroom refurbishments
Bathrooms and bathroom alterations, from renewing individual elements to complete refurbishment.
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Reviews

Aggregated rating

Aggregated rating
4.1
of 5

Aggregated from 13 reviews across all connected sources

Sources
GGoogle4.113
★TrustpilotSoon
PProvenExpertSoon

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Location

Witmattstrasse 16
2540 Grenchen
Opening hours
Mon
07:30 - 11:45, 13:30 - 17:00
Tue
07:30 - 11:45, 13:30 - 17:00
Wed
07:30 - 11:45, 13:30 - 17:00
Thu
07:30 - 11:45, 13:30 - 17:00
Fri
07:30 - 11:45, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.400.723
Founded
1989 · 37 years
Last commercial register change
June 10, 2026
Employees
1 to 10

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