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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber constructionWil ZhFritschi Fensterbau AG
Fritschi Fensterbau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Fritschi Fensterbau AG is the manufacture and installation of windows, sliding doors, entrance doors and folding walls made of various materials such as wood, metal and plastic. The company also offers consulting, service and installation services and produces its products according to the latest technical standards.

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Service area

Offering

Products & services

Industry:Timber constructionCarpenter
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Fritschi Fensterbau AG

✓ Offered12
Consulting
Consulting for private clients, architects and institutional investors; non-binding initial discussions, needs assessment, solution proposals, advice in the showroom or at home, project management.
Production and installation
Production of window systems in Switzerland; woodworking, painting, metal cutting, fittings, glazing, and professional installation of the windows.
Wood-metal windows
Wood-metal windows from the Fenlife range in various designs, including ECO, PRO, LUX and Fix 68/78.
Wood windows
Wood windows from the Fenlife range in different types, including PUR, PUR Rustikal and TRE.
Front doors and sliding elements
Front doors and sliding elements as a separate product group, complemented by the Inotherm front doors configurator.
Plastic windows
PVC plastic windows, particularly for wet rooms and basements.
Metal windows
Full-aluminium or full-metal windows as supplementary window systems in the range.
Burglar protection
Window systems in different security levels, plus retrofitting of fittings and glazing for existing windows.
Thermal insulation
Window solutions with different thermal insulation values for improved indoor climate and reduced heat loss.
Acoustic insulation
Windows with acoustic insulation glazing and configurations designed for quiet.
Heritage protection
Window solutions for refurbishments of older buildings and requirements for heritage protection.
Insect protection
Insect protection systems for windows, including tension frames, roller blinds and hinged doors.
Trust & reputation

ranQ Trust Score of Fritschi Fensterbau AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of November 2026

Fritschi Fensterbau AG scores 85.3 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.80.324%
  • 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.95.08%
Fritschi Fensterbau AG scores 92.3 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.82.07%
Fritschi Fensterbau AG 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%
Fritschi Fensterbau AG scores 45.7 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 35.45.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Fritschi Fensterbau AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.7 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 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 33 reviews across all connected sources

Sources
GGoogle4.733
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Grundstrasse 39
8196 Wil Zh
Opening hours
Mon
07:00 - 12:00, 13:00 - 16:00
Tue
07:00 - 12:00, 13:00 - 16:00
Wed
07:00 - 12:00, 13:00 - 16:00
Thu
07:00 - 12:00, 13:00 - 16:00
Fri
07:00 - 12:00, 13:00 - 15:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.480.717
Founded
1990 · 36 years
Last commercial register change
September 28, 2026
Employees
21 to 50

Active in 1 of 26 cantons

  • ZHZurich
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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