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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceLaufenburgGBZ-Renovationen GmbH
GBZ-Renovationen GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of GBZ-Renovationen GmbH encompasses the execution of renovation and maintenance work in the field of buildings, including painting, plastering, flooring, damage repair due to water damage and mold remediation.

AI-generated
Offering

Products & services

Industry:Building Maintenance
✓ Offered5
Painting work
Painting, wallpapering, varnishing as well as renovation of all surfaces when tenants move in or out; including design proposals and interior and exterior work.
Floors
Ceramic floors, parquet, laminate, carpeting, PVC, needle felt, linoleum and floor painting; professional installation by specialists in flooring installation work.
Water damage remediation
Water damage remediation with drying, new painting, renewing plaster and masonry injections against rising damp; on request with site management.
Mold remediation
Removal of mold and fungicidal coatings to prevent new infestations; use of additives in the coating to protect against mold spore contamination.
Plastering work
Renewing plaster and other plastering work as part of renovations and water damage remediation.
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GBZ-Renovationen GmbH

Trust & reputation

ranQ Trust Score of GBZ-Renovationen 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

GBZ-Renovationen 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%
GBZ-Renovationen GmbH scores 77.2 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.86.512%
  • 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%
GBZ-Renovationen 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%
GBZ-Renovationen 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.

Knowledge

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Location

Gartenweg 11
5080 Laufenburg

At a glance

Legal form
Limited Liability Company
UID
CHE-113.975.472
Founded
2016 · 10 years
Last commercial register change
April 20, 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.
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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