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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesRental of Machinery & EquipmentYverdon-Les-BainsFlash Sound S.à r.l.
Flash Sound S.à r.l. Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Flash Sound Sàrl is the rental of technical equipment for events, particularly in the field of sound and image technology, such as speakers, mixing consoles, lighting, LED walls and projectors. The company also offers innovative solutions like mobile stages and LED displays.

AI-generated
Offering

Products & services

Industry:Rental of Machinery & Equipment
✓ Offered6
Rental of sound, lighting, projection and stage equipment
Rental of sound, lighting, projection and stage equipment, including equipment for events, concerts, conferences and temporary installations.
Sales of sound, lighting, projection and stage equipment
Sales of sound, lighting, projection and stage equipment, with a request for quotation and advice on choosing the right equipment.
Technical services for events
Technical services for events with sound, lighting, infrastructure, transport, technicians and installation teams, as a turnkey solution with a single point of contact.
Planning and installation of fixed or temporary systems
Planning and installation of fixed or temporary systems, with an engineering office to propose a solution tailored to requirements and budget.
Maintenance of audiovisual installations and annual maintenance contracts
Maintenance of audiovisual installations, upkeep of sound, lighting and projection, with an annual contract and rapid intervention in case of a breakdown.
Transport of equipment
Equipment transport with a fleet of vehicles of all sizes for logistics and delivery of technical equipment.
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4.3/5

Flash Sound S.à r.l.

Trust & reputation

ranQ Trust Score of Flash Sound S.à r.l.: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Flash Sound S.à r.l. scores 76.0 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.79.124%
  • 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.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.78.08%
Flash Sound S.à r.l. 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%
Flash Sound S.à r.l. 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%
Flash Sound S.à r.l. scores 62.9 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 35.62.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Flash Sound S.à r.l. reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 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 October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 13 reviews across all connected sources

Sources
GGoogle4.813
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Hier entsteht die Karte
Avenue Haldimand 87
1400 Yverdon-Les-Bains
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:30
Tue
08:00 - 12:00, 13:30 - 17:30
Wed
08:00 - 12:00, 13:30 - 17:30
Thu
08:00 - 12:00, 13:30 - 17:30
Fri
08:00 - 12:00, 13:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-105.297.813
Founded
1999 · 27 years
Last commercial register change
June 18, 2009
Employees
1 to 10
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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