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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint742,806 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesHochdorf4B AG
4B AG Logo
Verified· 4 sources

4B AG

Summary

About the company

4B AG designs and manufactures windows, doors and façade systems and provides services such as spare parts, maintenance and customer consulting. The product range includes wood–metal window systems, sliding and entrance doors, and post-and-beam façade systems, and the company offers planning resources (CAD/BIM) for architects and planners.

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Offering

Products & services

Industry:Specialized Construction Activities
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Windows
Wood-metal windows for renovation and new build, including renovation windows RF1 design, window system NF1 as well as accessories and window design.
Doors
Front doors and balcony doors made of wood-metal and aluminium, with versions such as front door HT2 and balcony door NF1 for new build and renovation.
Sliding doors
Sliding doors made of wood-metal with the variants ST2 and PS1, plus accessories, handles, textured glass and different opening variants.
Facades
Facade solutions with post-and-transom system FS2, modular facade systems and custom elements made of wood, metal and glass.
Window and facade service
Maintenance, repair, spare parts, service appointments and emergency service for windows, sliding doors and front doors, including glass, hardware, seals and break-in repairs.
Reviews

Aggregated rating

Aggregated rating
1
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle14
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

August 29, 2025Media
CEO von 4B Hochdorf tritt nach Übernahme zurück
zentralplus.ch
August 29, 2025Media
CEO-Wechsel bei 4B: Die dänische Leitung übernimmt die Führung
luzernerzeitung.ch
December 20, 2024Media
Nach 130 Jahren in Hochdorf: Dänen kaufen Luzerner Fensterbauer 4B
blick.ch
December 19, 2024Media
4B wird an Dovista S/A verkauft
seetalerbote.ch

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Location

An der Ron 7
6280 Hochdorf
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.973.376
Founded
1962 · 64 years
Last commercial register change
July 6, 2026
Employees
More than 500

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