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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryArts, Culture & RecreationArtistsZurichAtelieroffen - Nadja Ullmann Kunst und visuelle Gestaltung
Atelieroffen - Nadja Ullmann Kunst und visuelle Gestaltung Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Nadja Ullmann's company "atelieroffen" is artistic activity, particularly the creation and presentation of artworks.

AI-generated
Offering

Products & services

Industry:Artists
✓ Offered3
Artists' studio, gallery and shop
Art studio as workspace, gallery and shop; an independent art space that invites you to step in, linger, talk with the artist and find inspiration.
Works
Works of the artist; presentation of artistic works on the website.
Texts
Texts by the artist; published content and written work on the website.
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3.8/5

Atelieroffen - Nadja Ullmann Kunst und visuelle Gestaltung

Trust & reputation

ranQ Trust Score of Atelieroffen - Nadja Ullmann Kunst und visuelle Gestaltung: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Atelieroffen - Nadja Ullmann Kunst und visuelle Gestaltung scores 49.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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%
Atelieroffen - Nadja Ullmann Kunst und visuelle Gestaltung 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%
Atelieroffen - Nadja Ullmann Kunst und visuelle Gestaltung 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%
Atelieroffen - Nadja Ullmann Kunst und visuelle Gestaltung scores 4.6 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 35.4.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Atelieroffen - Nadja Ullmann Kunst und visuelle Gestaltung 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.

Knowledge

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Comparisons

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Location

Heinrichstrasse 71
8005 Zurich
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Sole proprietorship
UID
CHE-112.450.528
Founded
2005 · 21 years
Last commercial register change
March 7, 2007
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.67.06%
  • 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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