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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsRapperswil SgHerbert Oberholzer Architekt BSA/SIA AG
Herbert Oberholzer Architekt BSA/SIA AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Herbert Oberholzer Architekt BSA/SIA AG is an architectural practice providing design and project planning services for residential, public and institutional buildings. Its portfolio includes student housing, residential developments and multipurpose halls, and the practice addresses integrated ecological planning considerations.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered4
Architecture and construction planning
Architectural office for new builds, residential buildings and public buildings; planning and realisation of projects such as student residences, residential developments and multi-purpose halls.
Competition planning and project development
Projects from public competitions with concept, floor plan and execution planning for residential buildings and public facilities.
Planning of residential buildings
Planning of residential developments, boarding school and residential buildings with flexible housing types, floor plan concepts and alternative uses.
Planning of public buildings
Planning of multi-purpose halls, school and municipal facilities with gymnasium, stage, foyer and ancillary rooms.
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4.1/5

Herbert Oberholzer Architekt BSA/SIA AG

Trust & reputation

ranQ Trust Score of Herbert Oberholzer Architekt BSA/SIA AG: 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.

Herbert Oberholzer Architekt 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%
Herbert Oberholzer Architekt 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.
x
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%
Herbert Oberholzer Architekt 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%
Herbert Oberholzer Architekt BSA/SIA AG scores 3.1 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 35.3.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Herbert Oberholzer Architekt 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

Hauptplatz 15
8640 Rapperswil Sg
Opening hours
Mon
07:30 - 12:00, 14:00 - 17:00
Tue
07:30 - 12:00, 14:00 - 17:00
Wed
07:30 - 12:00, 14:00 - 17:00
Thu
07:30 - 12:00, 14:00 - 17:00
Fri
07:30 - 12:00, 14:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.797.050
Founded
1992 · 34 years
Last commercial register change
March 13, 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.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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