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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryAgriculture & ForestryViticultureUvrierDumoulin Frères SA
Dumoulin Frères SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Dumoulin Frères SA produces and sells wines, covering viticulture, vinification and bottling. The company operates an on‑site tasting space, offers oenotourism activities and an online shop with multiple cuvées such as Cuvée L’Orpailleur and Fendant.

AI-generated
Offering

Products & services

Industry:Viticulture
✓ Offered2
Wines
White, red and rosé wines from the ranges Tradition, Les Ors, Diamanterre, Les Cuvées, Les Grands Crus, Les Pépites and Les Torpilleurs.
Wine tourism
Tasting packages and cellar visits, tailor-made experiences, group bookings, tastings of 3 to 7 wines, planchette valaisanne available as an extra.
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4.3/5

Dumoulin Frères SA

Trust & reputation

ranQ Trust Score of Dumoulin Frères SA: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Dumoulin Frères SA scores 82.2 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.88.324%
  • 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.77.410%
  • 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.70.08%
Dumoulin Frères SA scores 76.6 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.79.212%
  • 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%
Dumoulin Frères SA 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%
Dumoulin Frères SA scores 74.3 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 35.74.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Dumoulin Frères SA reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 20 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 20 reviews across all connected sources

Sources
GGoogle520
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Chemin du Grandina 11
1958 Uvrier
Opening hours
Mon
10:00 - 12:00, 14:00 - 18:00
Tue
10:00 - 12:00, 14:00 - 18:00
Wed
10:00 - 12:00, 14:00 - 18:00
Thu
10:00 - 12:00, 14:00 - 18:00
Fri
10:00 - 12:00, 14:00 - 18:00
Sat
10:30 - 13:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-339.073.997
Founded
2018 · 8 years
Last commercial register change
August 3, 2023
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.
100.0
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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