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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior ConstructionIllgauKundenschreinerei Heinzer GmbH Illgau
Kundenschreinerei Heinzer GmbH Illgau Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Kundenschreinerei Heinzer GmbH is the provision of services in the field of carpentry and zither construction. Specifically, this includes: individual carpentry work, such as the manufacture of custom-made furniture and interior fittings; zither construction, including the manufacture and repair of zithers; and customer-specific solutions and consulting in the field of carpentry and zither construction. The company thus offers a combination of artisanal services in the field of carpentry and musical instrument construction.

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Products & services

Industry:Interior Construction
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4.2/5

Kundenschreinerei Heinzer GmbH Illgau

✓ Offered3
Joinery
Custom joinery with advice, repairs and small jobs; interior fit-outs and conversions, wall and ceiling cladding, shower and bathroom cladding, window fitting, floor coverings and furniture repairs.
Zither making
Zither making with advice, repair and string production; chord zithers, Engadine zithers, Schwyz zithers, American harp zithers, Glarus zithers and bowed psalteries.
Music copyists | Tuition
Mediation of music copyists and zither tuition with contact details of various teachers and music copyists.
Trust & reputation

ranQ Trust Score of Kundenschreinerei Heinzer GmbH Illgau: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

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Data basis 96% · As of October 2026

Kundenschreinerei Heinzer GmbH Illgau scores 76.0 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.79.224%
  • 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.58.610%
  • 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.88.08%
Kundenschreinerei Heinzer GmbH Illgau scores 78.5 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.89.612%
  • 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%
Kundenschreinerei Heinzer GmbH Illgau scores 85.0 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).85.022%
Kundenschreinerei Heinzer GmbH Illgau scores 37.1 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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Kundenschreinerei Heinzer GmbH Illgau reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 9 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
4.9
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle4.99
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hier entsteht die Karte
Sonnmatt 2
6434 Illgau
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-345.908.104
Founded
2015 · 11 years
Last commercial register change
December 4, 2015
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.88.06%
  • 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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