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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,837 companies indexed · Last updated: today
DirectoryAgriculture & ForestryViticultureLigerzBioweinbau Martin Bruno
Bioweinbau Martin Bruno Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Biovin-Martin is biological and biodynamic viticulture, particularly the production of organic wines according to Demeter guidelines. The operation includes grape cultivation, harvesting, wine production and the sale of wines.

AI-generated
Offering

Products & services

Industry:Viticulture
✓ Offered4
Wine sales
White wines, rosé, red wines, sparkling wines and dessert wine in various bottle sizes; complemented by grape juice and varietal, alcohol-free grape juices.
Organic viticulture
Biologically farmed vineyard estate in Ligerz on Lake Biel with 8 hectares of vines, permanent ground cover, organic cycles and Bio Suisse Knospe certification.
Pesticide-free wines
Wines without pesticides and without copper use, additionally produced without irrigation and analysed in the laboratory as well as certified.
Vegan wines
All wines produced and certified vegan, without fining agents made from animal proteins.
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4.1/5

Bioweinbau Martin Bruno

Trust & reputation

ranQ Trust Score of Bioweinbau Martin Bruno: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Bioweinbau Martin Bruno 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%
Bioweinbau Martin Bruno scores 78.5 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%
Bioweinbau Martin Bruno 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%
Bioweinbau Martin Bruno scores 40.7 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 35.51.44%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.30.04%
Qualifications+0.00

Bioweinbau Martin Bruno 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 58%, 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.

Press

Media

February 20, 2023Media
«Es ist wie bei der Umstellung auf Bio»
derbund.ch
February 13, 2023Media
Seeländer Bio-Wein-Pionier: Grossrat Martin wechselt von Grünen zu EDU-Fraktion
bernerzeitung.ch
October 9, 2021Media
Biowunder am Bielersee – Der Winzer, der im Katastrophenjahr eine gute Ernte einfährt
bernerzeitung.ch
July 14, 2014Media
«TV-Bauer» gewinnt internationalen Bioweinpreis
schweizerbauer.ch

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Location

Dorfgasse 63
2514 Ligerz

At a glance

Legal form
Sole proprietorship
UID
CHE-111.455.351
Founded
2005 · 21 years
Last commercial register change
November 24, 2005
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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