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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryIndustryGlass, Ceramics, Stone & Construction Materials IndustryZurichErika Maier, Glas-O-Fan
Erika Maier, Glas-O-Fan Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Erika Maier, Glas-O-Fan works with glass, producing lamps, windows and decorative objects; the practice uses the copper-foil (Tiffany) technique and has offered courses in this technique.

AI-generated
Offering

Products & services

Industry:Glass, Ceramics, Stone & Construction Materials Industry
✓ Offered2
Glass processing
Glass processing for artworks, lamps, windows and decorative items; processing of glass in the workshop, including copper foil technique.
Courses in copper foil technique
Courses in copper foil technique in the workshop in Zurich; instruction in the technique invented by L. C. Tiffany.
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Erika Maier, Glas-O-Fan

Trust & reputation

ranQ Trust Score of Erika Maier, Glas-O-Fan

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, Media authority

Data basis 54% · As of October 2026

Erika Maier, Glas-O-Fan 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%
Erika Maier, Glas-O-Fan 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%
Erika Maier, Glas-O-Fan 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%
Erika Maier, Glas-O-Fan scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

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Location

Grünhaldenstrasse 54
8052 Zurich
Opening hours
Mon
Closed
Tue
Closed
Wed
13:00 - 18:00
Thu
13:00 - 18:00
Fri
Closed
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-107.406.562
Founded
1992 · 34 years
Last commercial register change
June 18, 2003
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.
67.0
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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