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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryArts, Culture & RecreationCultural & Educational OrganizationsWinterthurGrah Unternehmung
GU
Verified· 1 sourceTrust ScoreNo score yet

Grah Unternehmung

Summary

About the company

Organization of events; conducting seminars and courses, in particular in the musical field; consulting, organization and programming in the field of IT.

Commercial register, canton of ZH·As of July 21, 2003View on Zefix
Trust & reputation

ranQ Trust Score of Grah Unternehmung

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Website authority, Media authority

Data basis 50% · As of October 2026

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Grah Unternehmung has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Grah Unternehmung scores 78.5 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%
  • 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.67.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
Grah Unternehmung scores 58.3 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).58.322%
Grah Unternehmung has no value in the Visibility area of the ranQ Trust Score because no data is available. The area carries 8% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Website authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 50%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Website authority, Media authority. As of October 2026.

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

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Location

Schützenstrasse 104
8400 Winterthur

At a glance

Legal form
Sole proprietorship
UID
CHE-100.637.988
Founded
1987 · 39 years
Last commercial register change
July 21, 2003
Employees
1 to 10

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