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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceStein AgBlatter Kaminfeger GmbH
Blatter Kaminfeger GmbH Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of the company "Blatter Kaminfeger GmbH" consists of carrying out cleaning, maintenance and inspections of combustion systems, including chimneys, stoves, fireplaces, chimneys, chimney stoves, pellet stoves, tile and soapstone stoves, as well as oil and gas heating systems. This also includes visual inspections and exhaust gas measurements to ensure compliance with the regulations of the Clean Air Ordinance.

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Products & services

Industry:Building Maintenance
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3.7/5

Blatter Kaminfeger GmbH

✓ Offered3
Chimney sweeping services
Cleanings and maintenance of chimneys, cookers, fireplaces, fireplace stoves, pellet stoves, tile and soapstone stoves, as well as oil-, gas-, wood- and commercial firing systems.
Combustion appliance inspections
Periodic official inspections of oil, gas and wood-fired appliances to comply with the Air Purity Ordinance, including emission measurements and visual inspection.
Cleaning and inspection of wood-fired heating systems
Cleaning and inspection of wood-fired heating units, including chimney and combustion system, ash and, if required, fuel storage; also for systems used regularly and irregularly.
Trust & reputation

ranQ Trust Score of Blatter Kaminfeger GmbH: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

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Data basis 100% · As of October 2026

Blatter Kaminfeger GmbH scores 61.4 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.35.08%
Blatter Kaminfeger GmbH scores 65.0 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.58.012%
  • 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%
Blatter Kaminfeger GmbH scores 86.7 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).86.722%
Blatter Kaminfeger GmbH scores 6.6 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 35.3.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Blatter Kaminfeger GmbH reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 5.0 out of 5 stars from 5 customer reviews. 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.

Press

Media

January 29, 2024Media
Wärmepumpen nehmen ihm die Arbeit weg – aber: Kaminfeger Hansruedi Blatter ist nicht bange um seinen Job
aargauerzeitung.ch

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Location

Weidweg 5
4332 Stein Ag
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-279.866.414
Founded
2022 · 4 years
Last commercial register change
March 30, 2022
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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