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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionKägiswilA. Zurmühle Bau GmbH
A. Zurmühle Bau GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

A. Zurmühle Bau GmbH provides foreman and construction services for building, renovation and civil-engineering projects and supports construction companies during staff shortages. Services include concrete repair and finishing, shaft works, demolitions and deconstruction, small-scale construction and external works, with digital surveying and crane-operator qualification noted.

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Products & services

Industry:Building Construction
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A. Zurmühle Bau GmbH

Specialized Construction Activities
✓ Offered6
Concrete repair and concrete cosmetics
Renovation of damage points, cracks and discolourations on concrete surfaces, upgrading of exposed concrete and surface smoothing with special and sprayed concrete.
Conversions and renovations in existing buildings
Conversions, renovations and modernisations in existing buildings, from planning to execution, including coordination, adaptations and linking old and new building structures.
Civil engineering and shaft works
Relocation of shafts, shaft restoration and shaft extension, as well as sewer/drain construction, drainage and foundations for new builds, conversions and renovations.
Minor external works
Retaining walls, garden patios and terraces, paths and driveways, as well as small outdoor facilities such as fences, privacy screens and stairs.
Minor alterations, new builds and tailor-made solutions
Minor alterations, smaller new builds such as garages, technical rooms and extensions, as well as short-notice structural adjustments tailored to requirements.
Demolition and dismantling
Full and partial demolitions of buildings or building components, selective dismantling during conversions, as well as material separation and recycling.
Trust & reputation

ranQ Trust Score of A. Zurmühle Bau 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 October 2026

A. Zurmühle Bau 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%
A. Zurmühle Bau GmbH scores 50.8 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.25.012%
  • 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%
A. Zurmühle Bau GmbH scores 83.3 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).83.322%
A. Zurmühle Bau 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 October 2026.

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

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Location

Engelmattli 1
6056 Kägiswil

At a glance

Legal form
Limited Liability Company
UID
CHE-399.513.221
Founded
2025 · 1 year
Last commercial register change
April 25, 2025
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.
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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