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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSealing & InsulationBremgarten AgZumberi Bauabdichtungen GmbH
Zumberi Bauabdichtungen GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Zumberi Bauabdichtung GmbH is the provision of services in the field of waterproofing and damp-proofing of all kinds, including injections, flat roof waterproofing and the installation of PU and epoxy floors.

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Offering

Products & services

Industry:Sealing & Insulation
✓ Offered4
Building waterproofing
Building waterproofing against water and moisture on walls, roofs and floors; waterproofing techniques for new builds and renovation.
Injections
Injection methods for area injection, horizontal barrier and crack injection; subsequent building waterproofing with gel and sealing materials.
Flat roof waterproofing
Flat roof waterproofing with bitumen and a carrier insert made of polyester, glass or jute; multi-layer installation, welding and repair of damaged membranes.
PU-epoxy flooring
Installation of designer floors and industrial floors made of synthetic resin, in particular epoxy resin; individual adaptation to wishes and ideas.
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Zumberi Bauabdichtungen GmbH

Trust & reputation

ranQ Trust Score of Zumberi Bauabdichtungen 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

Zumberi Bauabdichtungen 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%
Zumberi Bauabdichtungen GmbH scores 72.3 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.75.012%
  • 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%
Zumberi Bauabdichtungen 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%
Zumberi Bauabdichtungen 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

Oberebenestrasse 59
5620 Bremgarten Ag

At a glance

Legal form
Limited Liability Company
UID
CHE-339.933.542
Founded
2019 · 7 years
Last commercial register change
December 17, 2019
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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