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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryTourism & HospitalityRestaurantsBuusRestaurant Rössli, Roger Zumbrunn
Restaurant Rössli, Roger Zumbrunn Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Restaurant Rössli, Roger Zumbrunn is a restaurant offering Swiss and Mexican cuisine, with a daily changing menu and take-away options. The establishment provides a dining room for private events, offers catering/party service and organises themed events such as Mexican buffets and live-music evenings.

AI-generated
Offering

Products & services

Industry:Restaurants
✓ Offered3
Restaurant operation
Restaurant with regional and Mexican-inspired dishes, lunch and dinner service, reservations possible outside opening hours.
Take Away
Take-away with ordering and pickup at lunch and in the evening, including among others Cordon bleu, Fajitas, Burrito and Burger.
Event catering
Events in the restaurant and beer garden, including live music and special occasions with their own service/hosting.
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4.3/5

Restaurant Rössli, Roger Zumbrunn

Trust & reputation

ranQ Trust Score of Restaurant Rössli, Roger Zumbrunn: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

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Data basis 100% · As of October 2026

Restaurant Rössli, Roger Zumbrunn scores 89.7 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.83.624%
  • 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.95.08%
Restaurant Rössli, Roger Zumbrunn 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%
Restaurant Rössli, Roger Zumbrunn scores 86.7 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).86.722%
Restaurant Rössli, Roger Zumbrunn scores 25.0 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 35.40.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Restaurant Rössli, Roger Zumbrunn reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 134 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from 134 reviews across all connected sources

Sources
GGoogle4.7134
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

November 8, 2020Media
Einkehren: Rössli in Buus – Mexikanische Würze im Oberbaselbiet
bazonline.ch

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Location

Hauptstrasse 3
4463 Buus
Opening hours
Mon
Closed
Tue
Closed
Wed
09:00 - 13:30, 17:30 - 00:00
Thu
09:00 - 13:30, 17:30 - 00:00
Fri
09:00 - 13:30, 17:30 - 00:00
Sat
09:00 - 13:30, 17:30 - 00:00
Sun
10:00 - 21:00

At a glance

Legal form
Sole proprietorship
UID
CHE-103.035.739
Founded
2000 · 26 years
Last commercial register change
February 28, 2000
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%
    • Full methodology

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