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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesManagement ConsultingSionJosé Vouillamoz Wine & Grapes Consulting
José Vouillamoz Wine & Grapes Consulting Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company's core activity is research and consulting in the field of viticulture and winemaking, particularly DNA analysis of grapevines, identification of grape varieties and analysis of their ancestry. The company also offers services such as wine writing, lectures and educational programs in the field of wine and vines.

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Products & services

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4.1/5

José Vouillamoz Wine & Grapes Consulting

Retail - Beverages & Spirits
✓ Offered7
Wine consulting
Wine consulting on grape variety origin, relatedness, wine regions and historical backgrounds; scientifically grounded for wineries, regions, publishers and educational institutions.
Lectures and presentations
Lectures in English, French, Italian and German on the origin and history of grape varieties worldwide; with over 250 conference presentations and thematic examples.
Wine texts and specialist articles
Specialist texts, articles, tasting notes and regional wine guides on grape variety origin, genetic heritage and wine regions; for specialist publications, tourism and educational purposes.
Grape variety lexicon
Multilingual content for digital grape variety lexicons with short, web-friendly descriptions of under 100 words for wineries and regional promotion organisations.
Grape variety DNA analysis
DNA profiling of grape varieties to determine origin, lineage and relatedness; suitable for genetic clarification and scientific grape variety research.
Organising and accompanying wine events
Organisation and moderation of wine events, including private tastings and wine trips; on request tailored to regions, producers and thematic programmes.
Wine education
Education programme on wine vines and grape varieties, announced as Wine Grapes School; with a focus on the origin, history and genetics of grape varieties.
Trust & reputation

ranQ Trust Score of José Vouillamoz Wine & Grapes Consulting: 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.

José Vouillamoz Wine & Grapes Consulting 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%
José Vouillamoz Wine & Grapes Consulting scores 72.7 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.86.512%
  • 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%
José Vouillamoz Wine & Grapes Consulting 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%
José Vouillamoz Wine & Grapes Consulting scores 60.0 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 35.60.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

José Vouillamoz Wine & Grapes Consulting 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

Rue de Lausanne 52
1950 Sion

At a glance

Legal form
Sole proprietorship
UID
CHE-320.487.256
Founded
2016 · 10 years
Last commercial register change
April 27, 2016
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%
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