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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesRental of Consumer GoodsGrächenJo-Na Sport, Natascha & Johann Williner-Kronig
Jo-Na Sport, Natascha & Johann Williner-Kronig Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Jo-Na Sport is the rental of winter sports equipment, particularly skis, as well as related services such as ski servicing and consulting in Grächen.

AI-generated
Offering

Products & services

Industry:Rental of Consumer Goods
✓ Offered2
Ski rental
Ski rental in Grächen with skis, boots and various accessories; online booking with discount, deposit at the valley station and pick-up of the equipment on site.
Ski service
Ski service including grinding and inspection, as well as readjustment of the ski bindings; regular maintenance for better riding safety and riding enjoyment.
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4.1/5

Jo-Na Sport, Natascha & Johann Williner-Kronig

Trust & reputation

ranQ Trust Score of Jo-Na Sport, Natascha & Johann Williner-Kronig: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Jo-Na Sport, Natascha & Johann Williner-Kronig 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.
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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%
Jo-Na Sport, Natascha & Johann Williner-Kronig scores 81.0 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%
Jo-Na Sport, Natascha & Johann Williner-Kronig scores 83.3 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).83.322%
Jo-Na Sport, Natascha & Johann Williner-Kronig scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Jo-Na Sport, Natascha & Johann Williner-Kronig reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

Knowledge

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Location

Jona Sport
3925 Grächen

At a glance

Legal form
General Partnership
UID
CHE-106.118.942
Founded
1994 · 32 years
Last commercial register change
April 15, 2010
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.79.06%
  • 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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