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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryCrafts & TradesGlazierOftringenTrösch Fenster GmbH
Trösch Fenster GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Trösch Fenster GmbH sells and installs windows, sliding doors, entrance doors and blinds, including products in plastic, wood and wood-aluminium. Its services include advice, window repairs and maintenance, glass replacement and other window servicing.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Glazier
✓ Offered5
Windows
Windows for new builds, renovation or refurbishment; PVC windows, timber windows and timber-aluminium windows, as well as advice, installation and window service.
Front doors
Front doors made of aluminium and timber-aluminium; including advice, professional installation, online configurator and accessories such as fingerprint reader, cylinder, door peephole or electric door opener.
Sliding doors
Sliding doors made of PVC and timber; as lift-and-slide doors for large window fronts, with thermal insulation, barrier-free access, burglary protection and various opening systems.
Shutters
Shutters, louvre blinds and roller shutters for protection against sun, views and weather; mounted inside or outside, in different materials, colours and versions.
Advice & Service
Advice on windows, doors and shutters, as well as professional installation and window service with repairs, maintenance, glass replacement, immediate help for break-in damage and checks of fittings and airtightness.
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4.4/5

Trösch Fenster GmbH

Trust & reputation

ranQ Trust Score of Trösch Fenster GmbH: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of November 2026

Trösch Fenster GmbH scores 90.1 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.82.624%
  • 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.100.010%
  • 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.100.08%
Trösch Fenster GmbH scores 83.0 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%
Trösch Fenster GmbH scores 86.7 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).86.722%
Trösch Fenster GmbH scores 9.4 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 35.9.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Trösch Fenster GmbH reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 74 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
4.7
of 5

Aggregated from 74 reviews across all connected sources

Sources
GGoogle4.774
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Nordstrasse 15
4665 Oftringen
Opening hours
Mon
09:00 - 12:00, 13:30 - 17:00
Tue
09:00 - 12:00, 13:30 - 17:00
Wed
09:00 - 12:00, 13:30 - 17:00
Thu
09:00 - 12:00, 13:30 - 17:00
Fri
09:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-115.791.144
Founded
2010 · 16 years
Last commercial register change
October 29, 2025
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • AGOftringen
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.
88.0
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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