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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryTourism & HospitalityCatererHünenbergGamma Group AG
Gamma Group AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Gamma Group AG provides catering and event services, including culinary catering, concept consulting and creative staging of events. The company handles venue coordination, room design and event logistics and is part of the GAMMA Gruppe.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Caterer
✓ Offered4
Catering and event catering
Catering and event catering with market-fresh dishes and ingredients, prepared on site; for corporate events, large events, private events and wedding events.
Event locations
Event locations in different parts of Switzerland, including places in Zurich, Zug, Lucerne, Meggen, Küsnacht and Hünenberg; advice on the right location for events.
Interior design for events
Interior design for events with staging of the kitchen and ambience, floral concepts and furnishing for the right design of the occasion.
Logistics for mobile catering
In-house logistics for mobile catering assignments, including organisation of transport and materials for events at different locations.
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4.5/5

Gamma Group AG

Trust & reputation

ranQ Trust Score of Gamma Group AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 100% · As of November 2026

Gamma Group AG scores 84.9 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.77.624%
  • 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.88.08%
Gamma Group AG scores 92.3 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.82.07%
Gamma Group AG scores 88.3 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).88.322%
Gamma Group AG scores 55.2 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 35.97.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.13.34%
Qualifications+0.00

Gamma Group AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.6 out of 5 stars from 52 customer reviews. As of November 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 52 reviews across all connected sources

Sources
GGoogle4.652
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

November 29, 2024Media
Gamma Gruppe: Wechsel in der Führungsspitze
htr.ch

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Location

Bösch 43
6331 Hünenberg
Opening hours
Mon
09:00 - 17:00
Tue
09:00 - 17:00
Wed
09:00 - 17:00
Thu
09:00 - 17:00
Fri
09:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-112.494.193
Founded
2005 · 21 years
Last commercial register change
April 4, 2025
Employees
21 to 50

Active in 1 of 26 cantons

  • ZGZug
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.
100.0
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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