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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,769 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesSt-CergueDNT Project Sàrl
DNT Project Sàrl Logo
Verified· 3 sources

DNT Project Sàrl

Summary

About the company

DNT Project Sàrl, operating under the Swiss Fermetures brand, supplies and installs windows, patio doors and entrance doors. The company supports new-build, renovation and extension projects and works with materials such as PVC, wood and aluminium.

AI-generated
Offering

Products & services

Industry:Specialized Construction Activities
✓ Offered3
Windows and patio doors
Supply and installation of windows and patio doors in PVC, wood, aluminium or wood-metal, for construction, renovation or extension projects.
Entrance doors
Supply and installation of entrance doors in aluminium, reinforced aluminium, wood or PVC, suitable for new-build and renovation projects.
Bay windows and sliding solutions
Bay windows, sliding windows, glazed sliding partitions and lifting or translational sliding solutions for large openings and bright access.
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Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 119 reviews across all connected sources

Sources
GGoogle4.9119
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Chemin des Rocailles 15
1264 St-Cergue
Opening hours
Mon
07:30 - 12:30
Tue
07:30 - 12:30
Wed
07:30 - 12:30
Thu
07:30 - 12:30
Fri
07:30 - 12:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-454.301.568
Founded
2011 · 15 years
Last commercial register change
June 26, 2026
Employees
1 to 10

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