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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryRetail & CommerceRetail - Books & MediaZurichKunstkiosk im Helmhaus Bruno Rusterholz
Kunstkiosk im Helmhaus Bruno Rusterholz Logo
Verified· 3 sourcesTrust Score4.1/5

Kunstkiosk im Helmhaus Bruno Rusterholz

Summary

About the company

The company's core activity is the sale of books, particularly antique art and photography books, in a specialized antiquarian bookshop.

AI-generated
Offering

Products & services

Industry:Retail - Books & Media
✓ Offered1
Antiquarian Bookshop for Art and Photography
Antiquarian bookshop for art and photography books, with second-hand and antiquarian titles in the fields of art and photography.
Trust & reputation

ranQ Trust Score of Kunstkiosk im Helmhaus Bruno Rusterholz: 4.1 out of 5.0

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Trust Score4.1/ 5.0

High

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Data basis 96% · As of October 2026

Kunstkiosk im Helmhaus Bruno Rusterholz scores 70.2 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.84.124%
  • 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.65.210%
  • 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.35.08%
Kunstkiosk im Helmhaus Bruno Rusterholz scores 78.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
Kunstkiosk im Helmhaus Bruno Rusterholz 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%
Kunstkiosk im Helmhaus Bruno Rusterholz scores 14.3 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Kunstkiosk im Helmhaus Bruno Rusterholz reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 12 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 12 reviews across all connected sources

Sources
GGoogle512
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Limmatquai 31
8001 Zurich

At a glance

Legal form
Sole proprietorship
UID
CHE-105.214.135
Founded
1999 · 27 years
Last commercial register change
June 3, 1999
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.67.06%
  • 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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