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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesPhotographyZurichGian Marco Castelberg Photography
Gian Marco Castelberg Photography Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company's core activity is professional photography, particularly portrait and lifestyle photography, as well as the creation of images for commercial and artistic purposes.

AI-generated
Offering

Products & services

Industry:Photography
✓ Offered4
Portrait photography
Portraits of people from culture, sport, business and public life; individual portraits focused on personalities and headshots.
Advertising and campaign photography
Advertising photography and campaign images for brands, products and companies; editorials and visual communication for commercial assignments.
Corporate photography
Photos for companies and institutions; corporate portraits, executive and team shots, as well as image series for brands and organisational communication.
Story and reportage photography
Photographic stories and image series about people, projects and cultural topics; documentary portraits and longer visual narratives.
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4.1/5

Gian Marco Castelberg Photography

Trust & reputation

ranQ Trust Score of Gian Marco Castelberg Photography: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Gian Marco Castelberg Photography 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.
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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%
Gian Marco Castelberg Photography scores 71.2 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.83.012%
  • 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%
Gian Marco Castelberg Photography scores 83.3 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).83.322%
Gian Marco Castelberg Photography scores 54.3 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.54.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gian Marco Castelberg Photography reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Giesshübelstrasse 62i
8045 Zurich

At a glance

Legal form
Sole proprietorship
UID
CHE-113.460.593
Founded
2017 · 9 years
Last commercial register change
July 26, 2023
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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