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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryRetail & CommerceRetail - General Specialty TradeThalFensterProjekt.ch GmbH
FensterProjekt.ch GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of FensterProjekt.ch is the manufacture, installation and maintenance of windows, sliding doors and front doors, as well as the renovation and refurbishment of existing window and door systems. The company also provides consulting, planning and service for private customers and architects.

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Products & services

Industry:Retail - General Specialty Trade
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4.4/5

FensterProjekt.ch GmbH

6
Windows and Sliding Doors
Windows and sliding doors made of wood, plastic or with aluminium cladding; solutions for new builds and renovations, with energy efficiency, sound insulation and secure locking.
Entrance Doors
Entrance doors for classic and modern buildings; custom-designed, with multi-point locking, locking systems and more comfort as well as protection.
Insect Protection
Custom-fit insect protection for windows, sliding doors and light wells; roller shutters, pleated screens, swing doors and tension frames for more comfort and protection.
Renovation of Windows and Doors
Renovation of windows, sliding doors and entrance doors for individual properties up to multi-family houses; with consultation, improved locking, sound insulation and energy efficiency.
New-build Solutions for Windows and Doors
Planning and implementation of window, sliding door and entrance door solutions for single-family homes, multi-family houses and developments; advice and installation from one source.
Service, Repair and Maintenance
Repair and maintenance of windows, sliding doors and entrance doors from all manufacturers; functional checks, readjustment, replacement of parts and seals, as well as help with glass damage and break-ins.
Trust & reputation

ranQ Trust Score of FensterProjekt.ch GmbH: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

FensterProjekt.ch GmbH scores 92.9 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.91.924%
  • 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.89.710%
  • 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%
FensterProjekt.ch GmbH scores 70.2 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.70.212%
  • 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%
FensterProjekt.ch GmbH 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%
FensterProjekt.ch GmbH scores 71.4 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 35.71.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

FensterProjekt.ch GmbH reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 33 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 33 reviews across all connected sources

Sources
GGoogle533
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Wiesentalstrasse 1
9425 Thal
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-157.765.879
Founded
2020 · 6 years
Last commercial register change
July 21, 2022
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.
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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