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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesRecording Studios & Audio ProductionMünchenstein1A-Unternehmung GmbH
1A-Unternehmung GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of the company '1a Unternehmung GmbH' includes the sale and rental of musical instruments, particularly guitars, keyboards and wind instruments, as well as the provision of services such as instrument repair, music lessons, studio and live recording, event technology, event planning and execution. In addition, the company offers support for Apple products and professional solutions for music production and recording.

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Offering

Products & services

Industry:Recording Studios & Audio Production
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3.8/5

1A-Unternehmung GmbH

✓ Offered8
Music Lessons
Music lessons for piano, keyboard, guitar, bass, ukulele, brass and accordion; vocal coaching, multi-instrument tuition, and support for different ages and skill levels.
Recording Studio Productions
Recording studio productions for pre- and post-production, studio audio video work, studio and live recording, and concert recordings in stereo or multitrack.
Event Technology Rental
Rental of sound and lighting systems, Bose Pro systems, and musical instruments for live events, performances and creative projects.
Musical Instrument Sales
Sales of guitars, keyboard instruments, instruments and equipment of all brands, plus recording software, hardware and event technology.
Instrument Service and Repair
Service, repair and setup for guitars, bass, brass instruments and accordions; including optimisation, intonation and playability adjustments.
Apple Device Support
Consulting, maintenance, repair and support for Apple devices, especially desktops and laptops; plus crash courses in Logic Audio.
MIDI Programming and Broadcast Audio
MIDI programming, boom operator work on film sets and live reports, and support for studio and video productions.
Instrument Disposal
Proper disposal of retired musical instruments, including old instruments and some electronic instruments.
Trust & reputation

ranQ Trust Score of 1A-Unternehmung GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

1A-Unternehmung GmbH 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%
1A-Unternehmung GmbH 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%
1A-Unternehmung 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%
1A-Unternehmung GmbH scores 6.0 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 35.6.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

1A-Unternehmung GmbH 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.

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Location

Oberwilerstrasse 19
4142 Münchenstein

At a glance

Legal form
Limited Liability Company
UID
CHE-112.270.280
Founded
2005 · 21 years
Last commercial register change
July 17, 2025
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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