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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryTourism & HospitalityRestaurantsSionLe Resto-verso Yvan Biollay
Le Resto-verso Yvan Biollay Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Le Resto-verso Yvan Biollay is a bistro-restaurant offering homemade, seasonal dishes that emphasize local ingredients and dry-aged meats. The menu features daily suggestions, a lunch express option and arrangements for group or event bookings, with dishes such as beef fillet and venison entrecôte served with café de Paris butter.

AI-generated
Offering

Products & services

Industry:Restaurants
✓ Offered3
Bistro restaurant
Authentic, flavoursome cuisine, homemade dishes, varied menu, weekly specials, Express menu, lunch and dinner service, table reservations, continuous service on Sundays.
Dry-aged meats
Dry-aged meats for at least four weeks, including beef fillet, ribeye and côte de boeuf, served with seasonal vegetables, homemade fries and homemade butter.
Events and party menus
Special menus for Easter and Mother’s Day, with phone reservations and downloadable menus for these occasions.
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4.2/5

Le Resto-verso Yvan Biollay

Trust & reputation

ranQ Trust Score of Le Resto-verso Yvan Biollay: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Le Resto-verso Yvan Biollay scores 88.1 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.79.224%
  • 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.100.010%
  • 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.100.08%
Le Resto-verso Yvan Biollay scores 65.7 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.70.212%
  • 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%
Le Resto-verso Yvan Biollay 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%
Le Resto-verso Yvan Biollay scores 8.6 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 35.8.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Le Resto-verso Yvan Biollay reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 188 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
4.6
of 5

Aggregated from 188 reviews across all connected sources

Sources
GGoogle4.6188
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Avenue de France 15
1950 Sion
Opening hours
Mon
11:00 - 14:30, 18:00 - 23:00
Tue
Closed
Wed
Closed
Thu
11:00 - 14:30, 18:00 - 23:00
Fri
11:00 - 14:30, 18:00 - 23:30
Sat
11:00 - 14:30, 18:00 - 23:30
Sun
11:00 - 21:00

At a glance

Legal form
Sole proprietorship
UID
CHE-423.453.923
Founded
2020 · 6 years
Last commercial register change
July 10, 2020
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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