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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesRental of Consumer GoodsLucerneTonstrom GmbH
Tonstrom GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Tonstrom GmbH is event technology, particularly the rental and installation of sound, light and electrical technology for events such as concerts, theater performances and other events. This also includes services such as sound reinforcement for large and small events, the installation of concert and theater houses, as well as the conception and installation of temporary power supplies. Additionally, the company also offers decoration services such as curtain work, wood and metal work, as well as props.

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Offering

Products & services

Industry:Rental of Consumer Goods
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4.0/5

Tonstrom GmbH

✓ Offered8
Event technology
Audio and lighting technology, video technology as well as technical event support for concerts, corporate events, festivals and private parties.
Rental of sound technology
Rental of stage and DJ equipment, loudspeakers, mixing desks, microphones and DJ setups for large and small events.
Rental of lighting technology
Rental of stage and outdoor lighting, mobile spotlights, LED installations and complex lighting systems for events of all sizes.
Décor and design concepts
Tailor-made décor concepts, planning and direction of event décor as well as curtain work for stage, office and private areas.
Stage construction
Custom stage structures, from mobile stages to special constructions for indoor and outdoor events.
Power supply for events
Planning and installation of temporary power supplies, coordination with the local electricity utility and safety documentation via partner companies.
Props and prop-making
Development and production of props and custom-made special items for shows, events, presentations and productions.
Installation of concert and theatre technology
Installation of audio and lighting systems in concert and theatre venues, including sound concepts, microphone setups, stage monitoring and lighting concepts.
Trust & reputation

ranQ Trust Score of Tonstrom GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Tonstrom GmbH scores 67.2 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.69.624%
  • 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.35.310%
  • 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.100.08%
Tonstrom GmbH scores 70.2 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.70.212%
  • 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%
Tonstrom GmbH scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Tonstrom GmbH scores 45.7 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 35.45.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Tonstrom GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.7 out of 5 stars from 3 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
4.7
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle4.73
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Uchtern 1
6014 Lucerne
Opening hours
Mon
09:00 - 17:00
Tue
09:00 - 17:00
Wed
09:00 - 17:00
Thu
09:00 - 17:00
Fri
09:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-218.438.532
Founded
2020 · 6 years
Last commercial register change
March 16, 2020
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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