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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsSt. Gallenstarch Stauffacher Architektur GmbH
starch Stauffacher Architektur GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

starch Stauffacher Architektur GmbH is an architectural firm that designs and delivers projects ranging from single-family houses to public buildings and street and square layouts. The firm produces concept and feasibility studies, participates in competitions and covers project planning through execution, including construction management, cost control and expert consulting.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered5
Architectural planning
Concept and feasibility studies, planning design, and detailed design for new builds, conversions, and renovations; for private and public clients.
Site supervision
Site supervision for complex projects in all phases of a construction project; coordination of the work and support during implementation.
Cost management
Cost management as part of project planning and detailed design; consideration of quality and cost objectives as well as operation and maintenance.
Expert reports and consulting
Expert reports and consulting for public and private developers; support with architectural, building-legal, and planning matters.
Architectural competitions and study mandates
Participation in architectural competitions and study mandates; development of studies and solution approaches for specific construction assignments.
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4.1/5

starch Stauffacher Architektur GmbH

Trust & reputation

ranQ Trust Score of starch Stauffacher Architektur GmbH: 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.

starch Stauffacher Architektur 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%
starch Stauffacher Architektur GmbH scores 86.7 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.70.07%
starch Stauffacher Architektur GmbH 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%
starch Stauffacher Architektur GmbH scores 45.7 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 35.45.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

starch Stauffacher Architektur 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 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

Wolfganghof 15 b
9014 St. Gallen

At a glance

Legal form
Limited Liability Company
UID
CHE-105.009.523
Founded
1999 · 27 years
Last commercial register change
December 14, 2011
Employees
11 to 20
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.70.03%
    • Full methodology

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