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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryRetail & CommerceArt & Antique TradeAllschwilRhenus Auktionen P. Bonsera
Rhenus Auktionen P. Bonsera Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core business of Rhenus Auktionen is the execution of auctions for art objects and collector's items, including antiques, old art, watches, jewelry, precious stones, paintings, wine, coins, African and Asian art, pre-Columbian art, books and other valuable objects. In addition, the company also offers services such as appraisal, expertise, sale and purchase of art objects.

AI-generated
Offering

Products & services

Industry:Art & Antique Trade
✓ Offered5
Auctions for art and antiques
Auctions for art, antiques and collectibles; pre-viewing in the showroom, written pre-bids, in-room bids, phone bids and online bids via Liveauctioneers and Drouot DIGITAL.
Consignment of items for auction
Consignment of items and collections for future auctions; electronic initial assessment, personal appointments, an adapted auction strategy and handling according to consignment terms.
Direct purchase from private collections
Direct purchase of objects from private collections against immediate payment; electronic preliminary checks, appointment scheduling and requests for photos as well as provenance information.
Valuations and expert reports
Valuations and expert reports for individual items and entire collections of antique art; also for estates, collections and other auction houses.
Shipping arrangements
In-house shipping for most sold items, and if needed forwarding to a shipping company; including export documents for shipments outside Switzerland.
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Rhenus Auktionen P. Bonsera

Trust & reputation

ranQ Trust Score of Rhenus Auktionen P. Bonsera

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Rhenus Auktionen P. Bonsera has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Rhenus Auktionen P. Bonsera scores 63.3 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.64.612%
  • 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%
Rhenus Auktionen P. Bonsera scores 83.3 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).83.322%
Rhenus Auktionen P. Bonsera scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

Knowledge

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Location

Dorfplatz 10
4123 Allschwil

At a glance

Legal form
Sole proprietorship
UID
CHE-274.676.912
Founded
2021 · 5 years
Last commercial register change
November 8, 2024
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.
67.0
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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