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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsZurichHolzhausen Zweifel Architekten GmbH
Holzhausen Zweifel Architekten GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Holzhausen Zweifel Architekten GmbH is an architectural firm. The website documents projects and lists lectures and publications, with projects that include residential, educational and public buildings.

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Offering

Products & services

Industry:Architecture FirmsGeneral Contractors
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Holzhausen Zweifel Architekten GmbH

✓ Offered1
Architectural projects
Architectural projects for public, education, residential and leisure facilities, including school buildings, housing developments, baths, bridges and cultural buildings.
Trust & reputation

ranQ Trust Score of Holzhausen Zweifel Architekten GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 58% · As of October 2026

Holzhausen Zweifel Architekten 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.
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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%
Holzhausen Zweifel Architekten GmbH scores 83.6 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.97.712%
  • 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%
Holzhausen Zweifel Architekten GmbH 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%
Holzhausen Zweifel Architekten GmbH scores 7.2 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 35.14.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Holzhausen Zweifel Architekten GmbH 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 58%, 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.

Press

Media

December 5, 2024Media
Hin und weg -
swiss-architects.com
April 25, 2019Media
Roh-Bau -
swiss-architects.com
March 23, 2017Media
Die Mauer musste weg
swiss-architects.com

Knowledge

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Location

Am Wasser 55
8049 Zurich

At a glance

Legal form
Limited Liability Company
UID
CHE-139.855.906
Founded
2012 · 14 years
Last commercial register change
November 6, 2019
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.88.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.85.03%
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