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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryTourism & HospitalityRestaurantsBaselGastronomie & Kultur GaQ Davor Busic
Gastronomie & Kultur GaQ Davor Busic Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of the company "Zum Isaak" is gastronomy, specifically the operation of a restaurant offering lunch and dinner, banquets and apéritifs.

AI-generated
Offering

Products & services

Industry:Restaurants
✓ Offered4
Restaurant
Restaurant with lunch and dinner as well as vegetarian, meat and fish dishes; salads, desserts and a selection of wines in a central location at Münsterplatz.
Banquets & apéro
Banquets and apéro for events, including banquet offer, apéro form, wine list, consultation, room details and menu planning for groups.
Lunch menus
Lunch menus from 11.45 a.m. to 2.00 p.m. with starters, main courses and dessert; reservation possible by phone.
Dinner menu
Dinner menu from 6 p.m. with vegetarian, meat and fish dishes, starters, main courses, desserts and wines.
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4.2/5

Gastronomie & Kultur GaQ Davor Busic

Trust & reputation

ranQ Trust Score of Gastronomie & Kultur GaQ Davor Busic: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Gastronomie & Kultur GaQ Davor Busic scores 76.2 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.60.124%
  • 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%
Gastronomie & Kultur GaQ Davor Busic scores 76.4 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.95.212%
  • 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%
Gastronomie & Kultur GaQ Davor Busic 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%
Gastronomie & Kultur GaQ Davor Busic scores 42.9 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 35.42.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gastronomie & Kultur GaQ Davor Busic reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.2 out of 5 stars from 398 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
4.2
of 5

Aggregated from 398 reviews across all connected sources

Sources
GGoogle4.2398
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Münsterplatz 16
4051 Basel
Opening hours
Mon
Closed
Tue
Closed
Wed
11:30 - 22:30
Thu
11:30 - 22:30
Fri
11:30 - 22:30
Sat
11:30 - 22:30
Sun
11:30 - 22:30

At a glance

Legal form
Sole proprietorship
UID
CHE-109.628.576
Founded
2013 · 13 years
Last commercial register change
December 13, 2013
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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