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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceZurichLendenmann Kaminfegerei AG
Lendenmann Kaminfegerei AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Lendenmann AG is chimney sweeping and roof services. Specifically, this includes the cleaning of heating systems (oil, gas, wood), roof inspections, heating system checks, expert advice, as well as the execution of roof repairs and maintenance.

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Products & services

Industry:Building Maintenance
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Lendenmann Kaminfegerei AG

✓ Offered4
Chimney sweeping
Cleaning of combustion systems with oil, gas and wood burners; cleaning of tumbler flue pipes, burner inspections and specialist advice on heating systems, refurbishment and fire protection.
Roof service
Roof inspections and cleanings for pitched and flat roofs, rectification of minor damage, cleaning of gutters and downpipes, and coordination of specialists for larger jobs.
Burner inspection
Carrying out burner inspections for all fuels, clarifying measurement requirements, performing measurements on time and forwarding the measurement report to the competent authority.
Specialist advice
Advice on heating systems, heating system refurbishment, fire protection, and on the function and correct operation of fireplaces and chimneys.
Trust & reputation

ranQ Trust Score of Lendenmann Kaminfegerei AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Lendenmann Kaminfegerei AG scores 63.9 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.51.424%
  • 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.100.08%
Lendenmann Kaminfegerei AG scores 85.5 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.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%
Lendenmann Kaminfegerei AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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%
Lendenmann Kaminfegerei AG scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Lendenmann Kaminfegerei AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.8 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
3.8
of 5

Aggregated from 12 reviews across all connected sources

Sources
GGoogle3.812
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Tramstrasse 68
8050 Zurich

At a glance

Legal form
Corporation
UID
CHE-107.957.750
Founded
1997 · 29 years
Last commercial register change
January 21, 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.
100.0
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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