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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureWindow constructionThayngenKunz Fenster AG
Kunz Fenster AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Kunz Fenster AG is a family-run window business offering windows, front doors and sliding doors. Its services include advice, planning, installation and repairs, including glass repairs and insect screens.

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Presence

Service area

Offering

Products & services

Industry:Window construction
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4.4/5

Kunz Fenster AG

✓ Offered5
Windows
Windows made of wood/aluminium, wood, plastic and plastic/aluminium; for new builds, conversions, renovations and solutions with sound and heat insulation.
Front doors
Front doors made of aluminium, wood/aluminium, wood and plastic; with side panel or transom, for design, security, comfort and weather resistance.
Sliding doors
Sliding doors and lift-and-slide doors made of wood/aluminium, wood, plastic and plastic/aluminium; with large glass panels, barrier-free thresholds and various design options.
Service & repairs
Service and repairs for windows and doors of all kinds, including third-party products; glass repairs, replacement of panes, cat flaps and glass cut-outs for air-conditioning units.
Insect protection
Insect protection for windows and doors with tension frames, pleated screens, roller blinds as well as sliding and swinging doors; including personal advice at home.
Trust & reputation

ranQ Trust Score of Kunz Fenster AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 100% · As of November 2026

Kunz Fenster AG scores 87.6 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.78.324%
  • 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.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%
Kunz Fenster 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%
Kunz Fenster AG scores 88.3 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).88.322%
Kunz Fenster AG scores 24.3 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 35.48.64%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Kunz Fenster AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 78 customer reviews. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.6
of 5

Aggregated from 78 reviews across all connected sources

Sources
GGoogle4.678
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

June 3, 2026Media
KUNZ Fenster AG: Ausgezeichnet als «Best of EgoKiefer Fachpartner»!
schaffhausen24.ch
May 29, 2026Media
KUNZ Fenster AG: Ausgezeichnet als «Best of EgoKiefer Fachpartner»!
schaffhausen24.ch
April 25, 2023Media
«Viele Häuser sind sanierungsbedürftig»
schaffhausen24.ch

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Location

Bohlstrasse 12
8240 Thayngen
Opening hours
Mon
07:30 - 17:00
Tue
07:30 - 17:00
Wed
07:30 - 17:00
Thu
07:30 - 17:00
Fri
07:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.611.770
Founded
1975 · 51 years
Last commercial register change
April 27, 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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Active in 1 of 26 cantons · 1 municipality

    • SHThayngen

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