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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryPublic Administration & EducationContinuing Education InstitutesWinterthurWIAM GmbH
WIAM GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company WIAM (Winterthur Institute for Contemporary Music) is a music academy specializing in the training of musicians in the fields of pop music, rock and jazz. The core activity of the company includes the implementation of music study programs, workshops and courses for instrumental and vocal instruction, music theory, ensemble playing and music production. In addition, WIAM also offers services such as recording studio recordings, live music productions and music mediation.

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Products & services

Industry:Continuing Education Institutes
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4.4/5

WIAM GmbH

✓ Offered6
Music studies
Bachelor's and master's studies in contemporary music with focuses on pop, rock, jazz, music production and electronic music; including preparatory studies and admission exams.
Continuing education with certificate qualifications
Part-time studies alongside work in the field of jazz/rock/pop/blues with a music-and-pedagogy certificate, a music certificate and a postgraduate program.
Instrumental tuition and singing
One-to-one, duo or group tuition for beginners through advanced students in rock, pop, blues and jazz; with technique, interpretation and improvisation.
Theory classes
Courses in composition, arranging, harmony, rhythm, ear training, reading music and conducting; individually, in pairs or in small groups.
Band and ensemble workshops
Workshops for bands and ensembles in various styles; development of pieces, songs and compositions under professional guidance.
Music production and music notation
Courses in Ableton Live, Pro Tools, Logic and Sibelius; individually tailored for beginners and advanced students, one-to-one or in small groups.
Trust & reputation

ranQ Trust Score of WIAM GmbH: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

WIAM GmbH scores 77.3 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.81.624%
  • 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.58.610%
  • 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.88.08%
WIAM GmbH scores 89.7 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.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.82.07%
WIAM GmbH 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%
WIAM GmbH scores 85.7 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 35.85.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

WIAM GmbH reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 9 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 9 reviews across all connected sources

Sources
GGoogle59
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Untere Vogelsangstrasse 7
8400 Winterthur

At a glance

Legal form
Limited Liability Company
UID
CHE-109.611.156
Founded
2002 · 24 years
Last commercial register change
November 28, 2025
Employees
21 to 50
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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