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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryTourism & HospitalityClubs, Bars & Event VenuesBaselostquai.enterprise gmbh
ostquai.enterprise gmbh Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Ostquai is the rental of an event location for events of all kinds, such as weddings, corporate events and private parties. The company offers flexible design options, a selection of indoor and outdoor spaces, and a comprehensive service.

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Offering

Products & services

Industry:Clubs, Bars & Event Venues
✓ Offered4
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ostquai.enterprise gmbh

Event location
Event venue with two indoor rooms and two outdoor areas for weddings, business events and private parties; free customisation, open-end option and choice of catering.
Business events
Business events for meetings, workshops, seminars and company parties; optionally DIY or with organisation, technical support, bar staff, food, music and setup.
Weddings
Weddings with ship arrival, aperitif by the Rhine bank, ceremony under the fig tree and celebration with family and friends; rental, technical equipment, bar staff and cleaning included.
Private parties
Private parties and birthdays in the event venue; flexibly designed for quirky, elegant or relaxed occasions, with room and technical facilities as needed.
Trust & reputation

ranQ Trust Score of ostquai.enterprise gmbh: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

ostquai.enterprise gmbh scores 90.3 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.83.024%
  • 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.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%
ostquai.enterprise gmbh scores 86.7 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.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.70.07%
ostquai.enterprise gmbh scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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%
ostquai.enterprise gmbh scores 31.4 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 35.31.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ostquai.enterprise gmbh reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.7 out of 5 stars from 89 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
4.7
of 5

Aggregated from 89 reviews across all connected sources

Sources
GGoogle4.789
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hafenstrasse 25
4019 Basel
Opening hours
Mon
Closed
Tue
11:00 - 18:00
Wed
11:00 - 18:00
Thu
11:00 - 18:00
Fri
11:00 - 18:00
Sat
11:00 - 18:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-112.759.871
Founded
2006 · 20 years
Last commercial register change
January 27, 2012
Employees
11 to 20
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.
88.0
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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