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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesEngineerBrüttisellenGanz Supravision AG
Ganz Supravision AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Ganz Supravision AG plans, supplies and installs audiovisual communication and media technology. Its services include consulting, system design and implementation of solutions such as conference and presentation systems, sound systems, video conferencing and digital signage, as well as programming, maintenance and support.

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Service area

Offering

Products & services

Industry:Engineer
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Ganz Supravision AG

✓ Offered4
Consulting and Planning for AV Media Technology
Consulting, concept development and planning for AV media technology; on-site analysis, requirement definition, solution design, and transparent cost and schedule planning through commissioning.
Implementation of AV Media Technology
Implementation of AV systems from planning to commissioning; on-site analysis, delivery and installation, programming and fine-tuning, plus handover and support.
Service and Maintenance for AV Systems
Service, maintenance and repair for AV systems; remote diagnosis, on-site service, full service, update service, wear-part replacement, and replacement devices.
Service Level Agreements for AV Systems
Tailored SLAs for AV systems with system inspection, regular maintenance, fast response times, documented work, and Standard, Silver and Gold options.
Trust & reputation

ranQ Trust Score of Ganz Supravision AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of November 2026

Ganz Supravision AG scores 60.5 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.49.324%
  • 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.73.510%
  • 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.78.08%
Ganz Supravision AG scores 89.3 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.70.07%
Ganz Supravision 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%
Ganz Supravision AG scores 49.3 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 35.88.64%
  • 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

Ganz Supravision AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.8 out of 5 stars from 17 customer reviews. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
3.8
of 5

Aggregated from 17 reviews across all connected sources

Sources
GGoogle3.817
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

May 4, 2021Media
AV Ganz fusioniert mit Supravision
netzwoche.ch

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Comparisons

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Location

Zürichstrasse 44
8306 Brüttisellen
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.358.029
Founded
1991 · 35 years
Last commercial register change
August 5, 2026
Employees
11 to 20

Active in 1 of 26 cantons

  • ZHZurich
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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