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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryRetail & CommerceArt dealerChurVonlanthen
Vonlanthen Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Vonlanthen is an art dealer offering art purchases, sales and sales on commission. Its services include valuations, advice on and care of art collections, framing, exhibitions and art-book searches.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Art dealer
✓ Offered3
Art trading
Buying and selling art, commission sales, appraisals, framing, insurance, inventory and care of art collections, advice on documentation and building up collections.
Exhibitions
Exhibitions with represented artists, including vernissages and an exhibition archive of past presentations.
Artworks and editions
Selected works and limited editions, including book and object editions with original etchings, an audio picture and a handcrafted cassette.
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3.9/5

Vonlanthen

Trust & reputation

ranQ Trust Score of Vonlanthen: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of November 2026

Vonlanthen scores 56.8 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.73.124%
  • 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.35.310%
  • 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%
Vonlanthen 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.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%
Vonlanthen 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%
Vonlanthen scores 2.9 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 35.2.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Vonlanthen reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 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
5
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

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Location

St. Martinsplatz 8
7000 Chur
Opening hours
Mon
Closed
Tue
Closed
Wed
13:30 - 18:00
Thu
13:30 - 18:00
Fri
13:30 - 18:00
Sat
09:00 - 16:00
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-101.021.152
Founded
1998 · 28 years
Last commercial register change
April 11, 2012
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • GRChur
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.
67.0
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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