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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitectBuochssiebaut GmbH
siebaut GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

SIEBAU is a Swiss construction company specializing in the planning and execution of civil engineering and construction projects. The company's core activity encompasses the implementation of construction projects, including planning, coordination and execution of construction work, as well as providing services in the field of construction economics.

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Service area

Offering

Products & services

Industry:Architect
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siebaut GmbH

Building contractor
✓ Offered1
Architectural services
Architectural planning for new builds, conversions and renovations; design planning, building permit applications, detailed design and site supervision.
Trust & reputation

ranQ Trust Score of siebaut GmbH

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of November 2026

siebaut 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.
x
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%
siebaut GmbH scores 83.0 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%
siebaut GmbH scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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%
siebaut GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Pilatusweg 5
6374 Buochs

At a glance

Legal form
Limited Liability Company
UID
CHE-113.658.178
Founded
2007 · 19 years
Last commercial register change
April 17, 2009
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • NWBuochs
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.
88.0
6%
  • 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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