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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSealing & InsulationMuttenzAbdichtungssysteme Walzer AG
Abdichtungssysteme Walzer AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Abdichtungssysteme Walzer AG is a specialist contractor for waterproofing and the remediation of moisture and mold damage in buildings. It provides damage analysis, interior and exterior waterproofing, balcony, basement and garage floor restoration, drying and crack-injection services, and applies ISOTEC system solutions and certified, environmentally compatible materials.

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Offering

Products & services

Industry:Sealing & Insulation
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4.5/5

Abdichtungssysteme Walzer AG

✓ Offered
8
Waterproofing
Masonry waterproofing against moisture and mould, with exterior waterproofing, interior waterproofing, horizontal barrier, crack injection/flexible strip and renovation plaster.
Mould removal
Professional mould removal with an analysis of the infestation, immediate measures, compartmentalisation, fine cleaning and treatment of the affected surfaces.
Balcony refurbishment
Waterproofing and restoration of balcony and terrace surfaces, including preparation, sealing of connections and surface protection with different wear layers.
Garage refurbishment
Refurbishment of moisture-damaged garages with waterproofing against penetrating moisture, crack and joint sealing, mould treatment and new floor coating.
Interior waterproofing
Interior waterproofing in cases of moisture penetrating from the side, with substrate preparation, Kombiflex waterproofing and optional protective plaster or an interior insulation system.
Internal insulation
Retrofitted internal insulation to improve indoor climate, increase the wall surface temperature and prevent mould growth.
Drying
Drying of moisture-soaked walls, floors and screed insulation layers after water damage, using air intake hoses, condensation dryers and control measurements.
Climate panel
Internal insulation with calcium silicate panels to absorb excess moisture, prevent condensation and mould and improve the indoor climate.
Trust & reputation

ranQ Trust Score of Abdichtungssysteme Walzer AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Abdichtungssysteme Walzer AG scores 93.6 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
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.90.424%
  • 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.100.010%
  • 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.95.08%
Abdichtungssysteme Walzer AG scores 82.0 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.83.012%
  • 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%
Abdichtungssysteme Walzer AG 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%
Abdichtungssysteme Walzer AG scores 34.3 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 35.34.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Abdichtungssysteme Walzer AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.9 out of 5 stars from 55 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
4.9
of 5

Aggregated from 55 reviews across all connected sources

Sources
GGoogle4.955
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Frohburgerstrasse 32
4132 Muttenz
Opening hours
Mon
07:00 - 20:00
Tue
07:00 - 20:00
Wed
07:00 - 20:00
Thu
07:00 - 20:00
Fri
07:00 - 20:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-404.112.628
Founded
2017 · 9 years
Last commercial register change
March 13, 2026
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.
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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