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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitectZurichStefan Jos Architektur
Stefan Jos Architektur Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of JOS ARCHITEKTUR is the provision of architectural services. The company offers services in the fields of architecture, planning and consulting and is active in Switzerland and Austria. The owner, Stefan Jos, is a graduated engineer and civil engineer who has gained experience in various architectural offices and has been self-employed since 2020.

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Service area

Offering

Products & services

Industry:Architect
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3.8/5

Stefan Jos Architektur

✓ Offered3
Architectural services
Architecture for new builds, conversions and extensions across different use types such as residential, education, infrastructure, gastronomy and public buildings.
Competition projects
Participation in open and invited realization competitions for new builds, extensions and conversions, including prize and recognition procedures.
Project and execution planning
Planning of specific construction projects such as residential buildings, schools, childcare centres, intervention centres, maintenance depots, cafés and visitor centres.
Trust & reputation

ranQ Trust Score of Stefan Jos Architektur: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 54% · As of November 2026

Stefan Jos Architektur 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%
Stefan Jos Architektur scores 57.0 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.50.012%
  • 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%
Stefan Jos Architektur scores 86.7 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).86.722%
Stefan Jos Architektur scores 1.4 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 35.1.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stefan Jos Architektur reaches a ranQ Trust Score of 3.8 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 November 2026.

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

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Location

Uetlibergstrasse 23
8045 Zurich

At a glance

Legal form
Sole proprietorship
UID
CHE-240.689.839
Founded
2023 · 3 years
Last commercial register change
December 12, 2023
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ZHZurich
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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