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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesBützbergFenster-Haus AG
Fenster-Haus AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Fenster-Haus AG is the sale, installation and consulting of windows, front doors and sun protection systems, particularly products of the Internorm brand.

AI-generated
Offering

Products & services

Industry:Specialized Construction ActivitiesGlaziery
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4.0/5

Fenster-Haus AG

✓ Offered8
Windows
Custom-made windows in plastic, plastic-aluminium and wood-aluminium in various designs and finishes, including fittings and turn, tilt and turn-tilt elements.
Front Doors
Custom-made front doors in aluminium and wood-aluminium with various models, design styles, security locking systems and fittings, as well as an online door designer.
Lift-and-Slide Doors
Lift-and-slide doors and large-format glazing in plastic, plastic-aluminium and wood-aluminium, also available with low-threshold access and electric drive.
Patio Doors
Patio doors and balcony doors in plastic, plastic-aluminium and wood-aluminium, with various opening types, threshold heights and material finishes.
Sun Protection
Sun protection systems for windows with combined-window jalousies, Raffstores, front and mini-surface roller shutters, interior jalousies and window shutters.
Insect Protection
Custom-made insect protection systems such as hinged frames, tension frames, sliding frames and insect screen roller shutters for windows and balcony doors.
Installation
Professional installation of windows and doors by a qualified, trained and certified installation team.
Consulting / Sales
Consulting and sales in the showroom in Bützberg, including personal support from the sales team.
Trust & reputation

ranQ Trust Score of Fenster-Haus AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Fenster-Haus AG scores 63.5 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.73.124%
  • 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.35.310%
  • 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%
Fenster-Haus AG scores 85.5 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.55.07%
Fenster-Haus 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%
Fenster-Haus AG scores 7.4 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 35.7.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Fenster-Haus AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 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 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Bernstrasse 16
4922 Bützberg
Opening hours
Mon
Closed
Tue
09:00 - 12:00
Wed
09:00 - 12:00
Thu
09:00 - 12:00
Fri
09:00 - 12:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-113.183.672
Founded
2006 · 20 years
Last commercial register change
November 10, 2009
Employees
1 to 10
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.
100.0
6%
  • 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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