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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSealing & InsulationAllschwilAbdichtungen Schuurman
Abdichtungen Schuurman Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Abdichtungen Schuurman provides flat roof, terrace and building waterproofing services and also performs cast-asphalt work. Services include renovations, new-build installations and repairs, using solutions such as polymer bitumen, liquid-applied membranes and various insulation systems.

AI-generated
Offering

Products & services

Industry:Sealing & Insulation
✓ Offered3
Flat roof
Refurbishments, new builds and repairs of flat roofs; waterproofing with polymer-modified bitumen, Sarnafil and liquid plastic, plus insulation, green roofs, photovoltaic and solar thermal.
Terraces
Refurbishments, new builds and repairs of terraces; waterproofing with polymer-modified bitumen, liquid plastic and cast asphalt, insulation as well as surface finishes with stone slabs, cast asphalt or wood.
Cast asphalt
Cast asphalt for terraces, underground parking garages, pavements, interior floor coverings, below-ground waterproofing, stable floors, industrial floors and bridge waterproofing.
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4.0/5

Abdichtungen Schuurman

Trust & reputation

ranQ Trust Score of Abdichtungen Schuurman: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Abdichtungen Schuurman scores 68.0 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.76.724%
  • 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.45.610%
  • 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%
Abdichtungen Schuurman scores 78.5 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.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.55.07%
Abdichtungen Schuurman scores 85.0 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).85.022%
Abdichtungen Schuurman scores 1.4 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 35.1.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Abdichtungen Schuurman reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 5 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 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Lettenweg 118
4123 Allschwil
Opening hours
Mon
07:00 - 18:00
Tue
07:00 - 18:00
Wed
07:00 - 18:00
Thu
07:00 - 18:00
Fri
07:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-115.367.390
Founded
2010 · 16 years
Last commercial register change
January 5, 2016
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.
67.0
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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