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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,194 companies indexed · Last updated: today
DirectoryCrafts & TradesJoineryWinterthurSteinmann AG Schreinerei
Steinmann AG Schreinerei Logo
Verified· 3 sources

Steinmann AG Schreinerei

Summary

About the company

The core activity of Steinmann AG is the distribution and project management of windows and doors.

AI-generated
Offering

Products & services

Industry:JoineryWood Processing & Sawmills
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✓ Offered7
Made-to-measure windows
Windows from our own production, including listed-building windows, standard windows and shaped windows in wood or wood-aluminium; planning, measurement, production, delivery and installation in Winterthur.
Windows from leading manufacturers
Windows in PVC, PVC/aluminium, wood and wood/aluminium from leading manufacturers; including delivery and installation as well as options for new builds and renovation.
Custom-made doors
Front doors in wood and aluminium, including made-to-measure production, individual design, reproduction of existing doors as well as delivery and installation.
Carpentry, window and door service
Repairs, renovations, maintenance work, glass replacement, safety upgrades, seal replacement, repairs of furniture and kitchens, and emergency repairs.
Sun, privacy and insect protection systems
Plissé pleats, insect protection systems for windows and doors as well as lightwell covers; advice, planning and installation, complemented by interior blinds.
Roof windows by Velux
VELUX roof windows for new builds, loft conversions and modernisation; pivoting sash, top-hinged sash, flat-roof windows, Sun Tunnels, heat protection and sun protection.
VentoSwiss ventilation systems
Decentralised ventilation systems with heat recovery for new builds, conversions and renovations; simple planning, installation, operation and maintenance.
Reviews

Aggregated rating

Aggregated rating
4.5
of 5

Aggregated from 17 reviews across all connected sources

Sources
GGoogle4.517
★TrustpilotSoon
PProvenExpertSoon

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Location

Reutgasse 9
8406 Winterthur
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 - 15:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.391.034
Founded
1971 · 55 years
Last commercial register change
April 14, 2022
Employees
11 to 20

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