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

About the company

Koch Wärmepflege GmbH provides chimney sweeping services, combustion inspections including CO measurements, and fire-protection consulting and fire‑penetration sealing. The company maintains wood, gas and oil heating systems, advises on efficiency and preservation of installations, and supports builders, municipalities and architects on fire-safety matters.

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Products & services

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4.1/5

Koch Wärmepflege GmbH

✓ Offered4
Chimney sweeping service
Cleaning and safety-related maintenance of wood, oil and gas heating systems as well as stoves and Cheminées; scheduling, system register, condition report and advice on efficiency, cost savings and preservation of value.
Combustion inspection
Official combustion inspection and flue gas measurement for oil and gas-fired units, as well as CO measurement for wood central heating systems and small wood-fired appliances; including measurement periods, checks and the administration office for municipalities.
Fire protection
Fire protection consulting for restaurants and catering businesses, events and private new builds, renovations and extensions; inspection of escape and rescue routes, training, fire protection approvals and quality assurance in fire protection.
Firestopping
Advisory and professional installation of firestopping according to VKF, complemented by collaboration with Kernbohr Express Koch.
Trust & reputation

ranQ Trust Score of Koch Wärmepflege GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Koch Wärmepflege GmbH scores 75.0 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.75.524%
  • 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.63.210%
  • 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.88.08%
Koch Wärmepflege GmbH scores 65.0 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.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%
Koch Wärmepflege 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%
Koch Wärmepflege GmbH scores 40.0 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 35.40.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Koch Wärmepflege GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.7 out of 5 stars from 11 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
4.7
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle4.711
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Riedtalstrasse 22
4800 Zofingen
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-293.882.122
Founded
2022 · 4 years
Last commercial register change
February 17, 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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