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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryCrafts & TradesMetalworkNiederbürenswissstarfenster ag
swissstarfenster ag Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of SwissStarFenster AG is the manufacture and distribution of windows and doors, in particular PVC windows, as well as the provision of services in the field of window and door construction.

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Service area

Offering

Products & services

Industry:Metalwork
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3.9/5

swissstarfenster ag

✓ Offered4
Aluminium windows
Integral and standard windows with 85 mm profile installation depth, multi-pane insulated glazing, thermal insulation, RC2 security and different glass thicknesses.
Aluminium doors
Entrance doors with Obuk infill and glazed infill, 85 mm profile installation depth, thermal insulation, made-to-measure hardware and various element sizes.
Lift-and-slide doors
Lift-and-slide door systems of the heroal S 77 SL system with large-area glazing, minimal sightline widths, integrated surface drainage and a full-glass corner solution.
Certificates
System tests, sound insulation tests and RC2 burglary tests for integral and standard windows.
Trust & reputation

ranQ Trust Score of swissstarfenster ag: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of November 2026

swissstarfenster ag scores 51.0 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.50.624%
  • 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.52.910%
  • 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.50.08%
swissstarfenster 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%
swissstarfenster ag scores 86.7 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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).86.722%
swissstarfenster ag scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

swissstarfenster ag reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 3.6 out of 5 stars from 7 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
3.6
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle3.67
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Sornpark 1
9246 Niederbüren
Opening hours
Mon
07:00 - 12:00, 13:30 - 17:00
Tue
07:00 - 12:00, 13:30 - 17:00
Wed
07:00 - 12:00, 13:30 - 17:00
Thu
07:00 - 12:00, 13:30 - 17:00
Fri
07:00 - 12:00, 13:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-114.109.862
Founded
2008 · 18 years
Last commercial register change
December 2, 2024
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • SGNiederbüren
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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