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

About the company

The core activity of Sadriu Abdichtungen GmbH is the planning and execution of sealing works, in particular for flat roofs, sheet metal work, EPDM, Sarnafil, bituminous sealing, swimming pools and garden slabs.

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Offering

Products & services

Industry:Sealing & Insulation
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4.2/5

Sadriu Abdichtungen GmbH

8
Waterproofing
Custom waterproofing with EPDM, Sarnafil/Sika/Resitrix and bituminous waterproofing according to the SIA standard for civil engineering, building construction, underground car parks, industrial buildings and carports.
Liquid plastics
Waterproofing with liquid plastics for window junctions, joints and complete areas such as balconies or underground car parks.
Sheet metal work
Sheet metal work with cover strips, ridge flashings, coverings, downpipes and lightning protection.
Window junctions
Waterproofing work on window junctions with window sills made of aluminium, zinc and chromed steel, as well as silicone joints.
Facade cladding
Facade cladding with wooden cladding including thermal insulation and EPDM cladding with different effects.
Moisture measurements
Moisture measurements on flat roofs, facades, timber and thermal insulation.
Swimming pools & natural ponds
Waterproofing and installations for swimming pools, swimming ponds, natural pools and biotopes.
Roof service | Customer service
Inspections according to the SIA standard, install fall protection, lay panels, roof service twice a year including cleaning, and 24-hour emergency service for storm-hail and water damage.
Trust & reputation

ranQ Trust Score of Sadriu Abdichtungen GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Sadriu Abdichtungen GmbH scores 80.3 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.84.124%
  • 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.65.210%
  • 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.88.08%
Sadriu Abdichtungen GmbH scores 71.5 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.64.612%
  • 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%
Sadriu Abdichtungen 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%
Sadriu Abdichtungen GmbH scores 9.7 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 35.9.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sadriu Abdichtungen GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 12 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 12 reviews across all connected sources

Sources
GGoogle512
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Allmendstrasse 66
3600 Thun
Opening hours
Mon
07:00 - 17:30
Tue
07:00 - 17:30
Wed
07:00 - 17:30
Thu
07:00 - 17:30
Fri
07:00 - 17:30
Sat
07:00 - 12:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-487.683.762
Founded
2021 · 5 years
Last commercial register change
September 12, 2024
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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