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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,563 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsZurichStudio Anna Jach GmbH
Studio Anna Jach GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Studio Anna Jach GmbH is the provision of architectural, design and artistic services, particularly in the fields of building and interior architecture, urban design and art. The company offers services such as architectural planning, project management and design, with a focus on sustainability, ecology and the use of regenerative materials.

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Service area

Offering

Products & services

Industry:Architecture Firms
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4.0/5

Studio Anna Jach GmbH

✓ Offered4
Architecture
Architecture for new builds, conversions and competitions; residential buildings, public buildings, studies and project developments.
Urban Design
Urban planning studies and projects, including site developments, square design, residential developments and land-use programmes with living, retail, gastronomy and ateliers.
Interior Design
Interior design and spatial concepts for apartments, libraries, TV and teleconference rooms, as well as retail and hospitality spaces.
Graphic Design
Poster design and poster layout, including series for the Kulturverein Eierbrecht and exhibition posters.
Trust & reputation

ranQ Trust Score of Studio Anna Jach GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 54% · As of October 2026

Studio Anna Jach GmbH 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%
Studio Anna Jach GmbH scores 67.8 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.64.612%
  • 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%
Studio Anna Jach GmbH scores 86.7 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).86.722%
Studio Anna Jach GmbH scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Studio Anna Jach GmbH reaches a ranQ Trust Score of 4.0 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

Waserstrasse 67
8053 Zurich
Opening hours
Mon
09:00 - 17:00
Tue
09:00 - 17:00
Wed
09:00 - 17:00
Thu
09:00 - 17:00
Fri
09:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-467.029.915
Founded
2021 · 5 years
Last commercial register change
December 16, 2021
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.
88.0
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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