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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionSt. GallenBischof Hoch- & Tiefbau AG
Bischof Hoch- & Tiefbau AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Bischof Hoch- & Tiefbau AG carries out building and civil engineering projects for private, commercial and public clients, including new construction, alterations, extensions and renovations. Services include structural shell works, concrete and masonry work as well as excavation, sewer and utility installation, paving and exterior works.

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Products & services

Industry:Building ConstructionCivil Engineering
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Bischof Hoch- & Tiefbau AG

✓ Offered2
Building construction
New builds, conversions, extensions and renovations for single-family houses, multi-family houses as well as commercial and industrial buildings; including shell construction, concrete construction and masonry work.
Civil engineering
Excavation, earthmoving, sewer and pipeline construction as well as paving and outdoor facilities; in addition, foundation work and infrastructure construction for private, commercial and public building projects.
Trust & reputation

ranQ Trust Score of Bischof Hoch- & Tiefbau AG

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 October 2026

Bischof Hoch- & Tiefbau 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.
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%
Bischof Hoch- & Tiefbau 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%
Bischof Hoch- & Tiefbau AG 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%
Bischof Hoch- & Tiefbau AG 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 October 2026.

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

Knowledge

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Comparisons

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Location

St.Leonhard-Strasse 45
9000 St. Gallen

At a glance

Legal form
Corporation
UID
CHE-107.137.675
Founded
1973 · 53 years
Last commercial register change
October 1, 2026
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.
100.0
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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