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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryTourism & HospitalityClubs, Bars & Event VenuesBalgachGebrüder Custer & Cie
Gebrüder Custer & Cie Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The Schloss Grünenstein company is a cultural and event center specializing in the organization and implementation of events, celebrations, and cultural projects. It offers spaces for events, wine sales and tastings, as well as accommodation options. In addition, the company is also active in agriculture, particularly in viticulture and fruit growing. It has a castle park and an orchard that are open to the public.

AI-generated
Offering

Products & services

Industry:Clubs, Bars & Event Venues
✓ Offered5
Event venue and event locations
Events at the castle with rooms for private occasions, weddings, exhibitions, conferences, concerts and other celebrations in indoor and outdoor areas.
Wedding venue
Weddings in the music hall as the official marriage venue of the Rheintal civil registry office, as well as celebrations in the castle and in the Baroque garden.
Rooms for conferences and business meetings
Rooms for small to medium-sized meetings, sessions and professional meetings, with indoor and outdoor areas in an elegant, relaxed setting.
Rooms for cultural events and exhibitions
Rooms for art exhibitions, music events and cultural gatherings in various indoor and outdoor areas of the castle.
Rentable event rooms
Rentable indoor spaces such as the music hall, Torkel, tower foyer, tower room and octagon, as well as outdoor areas such as the Baroque garden, pond and forest pavilion.
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4.4/5

Gebrüder Custer & Cie

Trust & reputation

ranQ Trust Score of Gebrüder Custer & Cie: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Gebrüder Custer & Cie scores 86.5 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.78.124%
  • 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%
Gebrüder Custer & Cie scores 81.6 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.92.512%
  • 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%
Gebrüder Custer & Cie 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%
Gebrüder Custer & Cie scores 45.7 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 35.45.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gebrüder Custer & Cie reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 67 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 67 reviews across all connected sources

Sources
GGoogle4.667
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Schloss Grünenstein
9436 Balgach

At a glance

Legal form
General Partnership
UID
CHE-376.396.631
Founded
2014 · 12 years
Last commercial register change
September 4, 2026
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.
79.0
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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