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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesProduct designerLausannePromaudio Sàrl
Promaudio Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Promaudio Sàrl develops, sells and installs audio and audiovisual systems and sound transmission solutions. Its services include sound systems, tailored music programmes for retail spaces, and sound, lighting and video equipment for multipurpose venues and care homes.

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Presence

Service area

Offering

Products & services

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Promaudio Sàrl

Engineer
Electronics store
✓ Offered8
Sound system installation
Sound system equipment for buildings, public places, theatres, shopping centres and stations; loudspeakers, amplifiers, audio matrices and wireless systems.
Retail
Custom music programs for shop chains and shopping centres; music selection, audible announcements and selection of sound system equipment.
Sound systems for churches, temples, chapels and reverberant rooms
Sound system equipment for places of worship and reverberant areas; sound intelligibility, long-distance coverage, cameras and video projection.
Multi-purpose halls: Sound, lighting, video
Custom sound system, LED stage lighting and video projection systems for multi-purpose halls, lecture rooms, conferences and theatres.
Sound limitation for nightclubs and bars
Sound-limitation systems for venues playing music; compliance with current values and protection of hearing or the neighbourhood.
Audio solutions for EMS, care and health
MiniProm solution for people with hearing difficulties in EMS, with loudspeakers and a wireless microphone; activities, loto games, ceremonies, video projections and music playback.
Parking sound systems
Sound system equipment and management of audio dissemination for parking lots; applications related to security and marketing.
Support for electricians and installers
Assistance in selecting audio solutions for their customers; supply of suitable equipment and commissioning of the ordered audio equipment.
Trust & reputation

ranQ Trust Score of Promaudio Sàrl: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Promaudio Sàrl has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Promaudio Sàrl scores 83.0 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.55.07%
Promaudio Sàrl 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%
Promaudio Sàrl scores 4.6 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 35.4.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Promaudio Sàrl reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

Knowledge

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Location

Avenue du Mont-d'Or 55
1007 Lausanne

At a glance

Legal form
Limited Liability Company
UID
CHE-113.811.505
Founded
2007 · 19 years
Last commercial register change
June 7, 2023
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • VDLausanne
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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