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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentryTrachslauSteiner Schreinerei-Fensterfabrik AG
Steiner Schreinerei-Fensterfabrik AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Steiner Schreinerei - Fensterfabrik AG is the manufacture and installation of windows, particularly wooden windows and wooden-metal windows, as well as the creation of conservatories, balcony glazing and other glazing work.

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Offering

Products & services

Industry:Timber Construction & CarpentryJoinery
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4.2/5

Steiner Schreinerei-Fensterfabrik AG

✓ Offered8
Window construction
Planning and installation of timber windows and timber-metal windows for new builds, renovations and winter gardens; including custom-made windows, special windows, window sills, window linings and metal frames.
Timber-metal winter gardens
Construction of winter gardens usable all year round in timber-metal, with post-and-beam systems; architectural support is required for planning, building permit submission and detailed planning.
Balcony glazing
Balcony glazing with Lumon to reduce snow, rain, dirt and noise; to expand living space and provide better protection for the balcony fittings.
Customer service and window repairs
Window repairs, for example for faulty fittings, broken glass, break-in damage and cat flaps; fast service provided by service fitters.
Minergie windows
Windows that meet Minergie requirements for sustainable construction and low-energy houses, according to the website at an affordable price.
Sound insulation windows
Windows with improved sound insulation against aircraft, road, rail, commercial, sports, leisure and neighbourhood noise; with thicker insulated glass panes, sound-control films and additional seals.
Security windows
Burglar-resistant window systems with mushroom-head locking, attack-resistant glazing, barred windows, anti-drill protection and lightwell safety devices.
Window functions and special shapes
Fixed glazing, turn, tilt and tilt-and-turn windows, sliding windows, folding windows, pivot windows, arched windows, post-and-beam constructions and replacement-frame windows for renovations.
Trust & reputation

ranQ Trust Score of Steiner Schreinerei-Fensterfabrik AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Steiner Schreinerei-Fensterfabrik AG scores 68.0 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.76.724%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.45.610%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.70.08%
Steiner Schreinerei-Fensterfabrik AG scores 89.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.70.07%
Steiner Schreinerei-Fensterfabrik AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
Steiner Schreinerei-Fensterfabrik AG scores 17.1 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Steiner Schreinerei-Fensterfabrik AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 5 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Trachslauerstrasse 8
8840 Trachslau

At a glance

Legal form
Corporation
UID
CHE-101.660.493
Founded
1979 · 47 years
Last commercial register change
July 28, 2009
Employees
11 to 20
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.100.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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