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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTrade Fair & Event OrganizersSemsalesLumison Sàrl
Lumison Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Lumison Sàrl is the planning, organization and execution of events of all kinds, including the technical implementation of lighting, sound and video technology. This includes the conception, realization and installation of lighting systems, the provision of sound and video technology, as well as the organization of events such as concerts, festivals, theater performances, conferences and other events.

AI-generated
Offering

Products & services

Industry:Trade Fair & Event Organizers
✓ Offered7
Stage and event show technology
Advice, design, implementation and installation for theatre, clubbing, concerts, dance shows, weddings, conferences and permanent installations.
Lighting – light technology
Design, production and installation of lighting for events, concerts, theatre, clubbing and other shows.
Sound reinforcement – sound technology
Sound reinforcement for conferences, theatre productions, live concerts or video streaming, with due regard for sound quality.
Organisation – technical management
Event organisation, logistics management and coordination with partners for trade fairs, inaugurations, open house days and company evenings.
Video – recording, broadcasting, streaming
Video capture, broadcasting, video projection, rental of video equipment and streaming for events.
Rental of technical equipment
Rental of show equipment and event technology, with price list and rental conditions available in a document.
Maintenance of technical installations
Maintenance of technical installations for shows and events, mentioned among the areas of activity.
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3.8/5

Lumison Sàrl

Trust & reputation

ranQ Trust Score of Lumison Sàrl: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Lumison Sàrl scores 49.8 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.68.224%
  • 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.17.610%
  • 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.35.08%
Lumison Sàrl scores 75.7 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.83.012%
  • 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%
Lumison 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%
Lumison Sàrl scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Lumison Sàrl reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Route de la Broye 61
1623 Semsales

At a glance

Legal form
Limited Liability Company
UID
CHE-159.120.446
Founded
2017 · 9 years
Last commercial register change
December 15, 2017
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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