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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesProduct designerZurichHidden Sound GmbH
Hidden Sound GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Hidden Sound GmbH designs and sells digital Hi-Fi stereo systems for home use. Its range includes active systems with ultra-thin DML speakers and subwoofers with integrated DSP amplification, as well as in-wall speakers.

AI-generated
Offering

Products & services

Industry:Product designer
✓ Offered4
Active digital stereo systems
Active digital stereo systems with DML speakers, integrated Smart-DSP amplifier, Bluetooth and RCA connectivity; available as ECO and EVO variants plus special editions.
Built-in speakers for architectural projects
DML speakers built into drywall walls or ceilings with 360-degree sound, also offered as passive or project-based solutions for residential, commercial and HoReCa spaces.
Planning for integrated sound systems
Spatial sound-design project with quotation, installation planning and coordination with construction professionals; billed per 100 m2 with additional site visits.
Listening appointments in the Zurich showroom
Appointment booking in the Zurich showroom at Schöntalstrasse 20 for listening sessions, advice and on-site experience of HIDDEN SOUND systems.
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4.1/5

Hidden Sound GmbH

Trust & reputation

ranQ Trust Score of Hidden Sound GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of November 2026

Hidden Sound GmbH scores 76.3 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.76.324%
  • 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.67.110%
  • 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%
Hidden Sound GmbH scores 65.3 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.50.012%
  • 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%
Hidden Sound 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%
Hidden Sound GmbH scores 48.6 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 35.48.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hidden Sound GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.7 out of 5 stars from 13 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 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 13 reviews across all connected sources

Sources
GGoogle4.713
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Arosastrasse 16
8008 Zurich
Opening hours
Mon
13:00 - 18:00
Tue
13:00 - 18:00
Wed
13:00 - 18:00
Thu
13:00 - 18:00
Fri
13:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-397.870.199
Founded
2023 · 3 years
Last commercial register change
February 28, 2023
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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