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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsBadenStefan Häuselmann, Dipl. Architekt ETH HTL SIA
Stefan Häuselmann, Dipl. Architekt ETH HTL SIA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company is an architectural firm specializing in the planning and realization of construction projects. The company's core activity includes providing architectural services, including collaboration with other architectural firms and project management.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered6
Above-ground building design and execution planning
Design and execution planning for above-ground buildings, from the study phase to construction execution; including residential buildings, schools, retirement homes and care homes.
Feasibility studies, project development and expert reports
Feasibility studies, project development and expert reports for construction projects, supplemented by test layouts and urban planning studies.
Client advisory and representation
Client advisory and representation for construction projects, including technical support and safeguarding interests with regard to design and execution.
Competition preparation and jury work
Preparation of competitions and participation in jury processes for architecture and construction projects.
Support for art and construction projects
Support for art and construction projects, as well as advice on art projects related to construction projects.
Renovations, conversions and refurbishments
Renovations, conversions and refurbishments of residential, school and administrative buildings as well as other existing buildings.
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4.1/5

Stefan Häuselmann, Dipl. Architekt ETH HTL SIA

Trust & reputation

ranQ Trust Score of Stefan Häuselmann, Dipl. Architekt ETH HTL SIA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Stefan Häuselmann, Dipl. Architekt ETH HTL SIA 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%
Stefan Häuselmann, Dipl. Architekt ETH HTL SIA scores 78.5 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%
Stefan Häuselmann, Dipl. Architekt ETH HTL SIA 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%
Stefan Häuselmann, Dipl. Architekt ETH HTL SIA scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stefan Häuselmann, Dipl. Architekt ETH HTL SIA 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

Schönaustrasse 9a
5400 Baden

At a glance

Legal form
Sole proprietorship
UID
CHE-107.669.222
Founded
2007 · 19 years
Last commercial register change
September 1, 2022
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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