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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesOther Service IndustriesGrabsGrässli Kaminfeger GmbH
Grässli Kaminfeger GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Grässli Kaminfeger GmbH provides chimney sweeping services and combustion inspections. The company cleans and checks oil, gas and wood-fired systems as well as chimneys, stoves and fireplaces, and carries out maintenance on heating systems.

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Offering

Products & services

Industry:Other Service IndustriesBuilding MaintenancePlumbing & Building Services
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3.6/5

Grässli Kaminfeger GmbH

✓ Offered2
Chimney Sweeping Services
Chimney sweeping services for oil, gas and wood heating systems, chimneys, stoves and fireplaces; cleaning, inspection, maintenance and detection of defects and fire-safety issues.
Combustion Inspection
Combustion inspection for oil, gas and wood heating systems; thorough inspections for good air quality, safe operation and environmentally friendly performance.
Trust & reputation

ranQ Trust Score of Grässli Kaminfeger GmbH: 3.6 out of 5.0

Trust Score3.6/ 5.0

Solid

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Data basis 54% · As of October 2026

Grässli Kaminfeger 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%
Grässli Kaminfeger GmbH scores 48.3 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%
Grässli Kaminfeger 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%
Grässli Kaminfeger 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

Grässli Kaminfeger 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

Runggelfehrweg 2
9472 Grabs

At a glance

Legal form
Branch
UID
CHE-429.829.978
Founded
2025 · 1 year
Last commercial register change
December 30, 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.
76.0
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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