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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryAgriculture & ForestryWineryOberstammheimStammheimer-Winzer Genossenschaft
Stammheimer-Winzer Genossenschaft Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Stammheimer-Winzer Genossenschaft supports winegrowers with the reception and processing of their grapes and operates a grape press with young-must processing. It markets Stammheim wines made from several grape varieties.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Winery
✓ Offered4
Wines
Stammheim wines made from Chardonnay, Riesling x Silvaner, Solaris, Federweisser, Pinot Noir, Cabernet Dorsa and marc in various bottle sizes.
Sale of wines
Sale of Stammheim wines via the Trotte in Oberstammheim as well as through sales outlets at Volg, Landi and other hospitality businesses in the region.
Grape intake and pressing
Acceptance, weighing and pressing of grapes in the Trotte at the Werkhaus Oberstammheim; processing of Riesling-Silvaner, Chardonnay, Solaris, Pinot Noir and Cabernet Dorsa.
Young must processing
Processing of young must and resale to wine-pressing facilities that vinify Stammerweine from it.
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3.9/5

Stammheimer-Winzer Genossenschaft

Trust & reputation

ranQ Trust Score of Stammheimer-Winzer Genossenschaft: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of November 2026

Stammheimer-Winzer Genossenschaft scores 52.2 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.65.024%
  • 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%
Stammheimer-Winzer Genossenschaft scores 84.9 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%
Stammheimer-Winzer Genossenschaft scores 85.0 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).85.022%
Stammheimer-Winzer Genossenschaft scores 51.4 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 35.51.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stammheimer-Winzer Genossenschaft reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 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
4.3
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle4.33
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Werkhausstrasse 8
8477 Oberstammheim
Opening hours
Mon
Closed
Tue
Closed
Wed
18:30 - 19:30
Thu
Closed
Fri
Closed
Sat
09:00 - 11:00
Sun
Closed

At a glance

Legal form
Cooperative
UID
CHE-104.305.195
Founded
1995 · 31 years
Last commercial register change
May 16, 2025
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ZHStammheim
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.97.06%
  • 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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