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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSealing & InsulationStein ArJS Dachbau GmbH
JS Dachbau GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

JS Dachbau GmbH performs roofing and waterproofing work for pitched and flat roofs, including liquid-applied waterproofing. Services include roof repairs and maintenance, balcony and garage roof waterproofing, thermal insulation and related service work.

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Offering

Products & services

Industry:Sealing & InsulationRoofing
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3.6/5

JS Dachbau GmbH

✓ Offered4
Sheet metal works
Sheet metal works for precise protection and neat roof edges; sheet metal work for pitched and flat roofs, including functional and long-lasting workmanship.
Flat roof waterproofing
Flat roof waterproofing for modern roofs and building envelopes, with seamless and flexible waterproofing solutions for reliable weather protection.
Liquid plastic waterproofing
Liquid plastic for seamless, flexible waterproofing on complex surfaces, suitable for reliable protection of roof areas and junctions.
Roof repairs and maintenance
Roof repairs and maintenance for pitched and flat roofs, to remedy damage, prevent secondary damage and preserve property value.
Trust & reputation

ranQ Trust Score of JS Dachbau GmbH: 3.6 out of 5.0

Trust Score3.6/ 5.0

Solid

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Data basis 54% · As of October 2026

JS Dachbau 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.
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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%
JS Dachbau GmbH scores 50.8 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.25.012%
  • 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%
JS Dachbau GmbH scores 83.3 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).83.322%
JS Dachbau GmbH scores 1.7 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 35.1.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

JS Dachbau GmbH reaches a ranQ Trust Score of 3.6 out of 5.0 — rated «Solid». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Schachen 1003
9063 Stein Ar

At a glance

Legal form
Limited Liability Company
UID
CHE-210.281.132
Founded
2025 · 1 year
Last commercial register change
April 22, 2025
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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