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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsBadenZulauf & Schmidlin Architekten BSA SIA AG
Zulauf & Schmidlin Architekten BSA SIA AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Zulauf & Schmidlin Architekten BSA SIA AG is an architectural firm providing design and project-planning services for residential, public and technical/industrial buildings. The practice participates in architectural competitions and documents its work in project lists and publications.

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Products & services

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Zulauf & Schmidlin Architekten BSA SIA AG

✓ Offered
3
Architectural services
New builds, renovations, refurbishments and extensions for residential, commercial, school, sports and administrative buildings, as well as individual infrastructure and hospitality projects.
Competition projects
Participation in architecture competitions and study contracts for school, residential, sports and other construction projects; with rankings, awards and contributions from different years.
Publications
Publications and documentation on projects, façade systems and film portraits, including residential construction and technical details.
Trust & reputation

ranQ Trust Score of Zulauf & Schmidlin Architekten BSA SIA AG: 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.

Zulauf & Schmidlin Architekten BSA SIA AG 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%
Zulauf & Schmidlin Architekten BSA SIA AG scores 85.5 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.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%
Zulauf & Schmidlin Architekten BSA SIA AG 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%
Zulauf & Schmidlin Architekten BSA SIA AG scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Zulauf & Schmidlin Architekten BSA SIA AG 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

Bruggerstrasse 37
5400 Baden

At a glance

Legal form
Corporation
UID
CHE-112.644.802
Founded
2005 · 21 years
Last commercial register change
December 27, 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.100.06%
  • 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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