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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceKlotenChristen & Allemann Kaminfegermeister GmbH
Christen & Allemann Kaminfegermeister GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Christen & Allemann Kaminfegermeister GmbH is the execution of chimney sweep services, in particular the regular inspection, maintenance, repair and cleaning of heating systems, including oil and gas systems, wood-fired systems, boilers, flue gas systems and heat exchangers.

AI-generated
Offering

Products & services

Industry:Building Maintenance
✓ Offered5
Chimney sweeping
Regular chimney sweeping for wood, oil, gas and pellet-fired heating systems, including cleaning and inspections for smooth operation.
Combustion inspections
Combustion inspections for oil and gas systems, including official flue-gas measurements, visual checks of solid fuels and expert inspection of the installation.
Fireplace and fireplace stove cleaning
Cleaning of fireplaces and fireplace stoves, complemented by cleaning of heat exchangers, boilers and flue gas systems.
Heating maintenance and repairs
Maintenance of neutralisation systems, replacement of condensate pumps and siphons, changing seals and minor repairs on common heating systems.
Boiler optimisation
Optimisation of boilers, as well as independent customer advice to improve system operation.
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4.1/5

Christen & Allemann Kaminfegermeister GmbH

Trust & reputation

ranQ Trust Score of Christen & Allemann Kaminfegermeister GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Christen & Allemann Kaminfegermeister 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%
Christen & Allemann Kaminfegermeister GmbH scores 83.0 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.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%
Christen & Allemann Kaminfegermeister 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%
Christen & Allemann Kaminfegermeister GmbH scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Christen & Allemann Kaminfegermeister GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». 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.

Knowledge

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Location

Hohrainlistrasse 15
8302 Kloten

At a glance

Legal form
Limited Liability Company
UID
CHE-112.709.962
Founded
2006 · 20 years
Last commercial register change
May 8, 2026
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.88.06%
  • 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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