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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSealing & InsulationWallisellenABZ Bauabdichtungen GmbH
ABZ Bauabdichtungen GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

ABZ Bauabdichtungen GmbH provides specialized waterproofing and coating services for buildings and industrial facilities. Services include liquid-applied membranes, seamless floor and wall coverings, injections and Combiflex systems, and the company offers consulting, project planning and execution to protect structures from moisture and weather.

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Products & services

Industry:Sealing & Insulation
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4.1/5

ABZ Bauabdichtungen GmbH

✓ Offered4
Liquid Plastic Waterproofing
Waterproofing with liquid plastic for connections, edge trims, balconies, terraces, flat roofs and stairs; suitable for new builds and renovations.
Seamless Floor and Wall Coverings
Seamless floor and wall coverings for balconies, garages, cold stores, hospitals, laboratories, stairs, living areas, workshops, as well as shops and sales rooms.
Injections
Sealing of cracks, voids and leaking areas with slurry, EP and PUR injections as well as injection hose systems; for basement walls, foundations and rubble stone masonry.
Combiflex
Combiflex waterproofing for building connections and other sealing details; listed on the website as a standalone service in the field of building waterproofing.
Trust & reputation

ranQ Trust Score of ABZ Bauabdichtungen GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 96% · As of October 2026

ABZ Bauabdichtungen GmbH scores 69.7 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.78.124%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.49.510%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.70.08%
ABZ Bauabdichtungen GmbH scores 86.7 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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.70.07%
ABZ Bauabdichtungen GmbH scores 85.0 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).85.022%
ABZ Bauabdichtungen GmbH scores 6.0 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.6.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ABZ Bauabdichtungen GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 6 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle56
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Kriesbachstrasse 3c
8304 Wallisellen
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-115.406.423
Founded
2010 · 16 years
Last commercial register change
July 30, 2020
Employees
11 to 20
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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