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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesOther Service IndustriesWigoltingenEmil Oertle
Emil Oertle Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Emil Oertle is a federally certified master chimney sweep (Eidg. Dipl. Kaminfegermeister) and concession holder at Donatsch Kaminfeger GmbH; he is part of the company's team and performs chimney sweeping, official combustion-system inspections and related cleaning and maintenance tasks.

AI-generated
Offering

Products & services

Industry:Other Service Industries
✓ Offered4
Cleaning of heating appliances
Cleaning of oil-fired, gas-fired and wood-fired heating appliances; official combustion inspection and service measurements.
Refractory lining work
Maintenance of small wood-fired heating appliances such as tiled stoves and wood ranges.
Cleaning of comfort ventilation systems
Cleaning and maintenance of comfort ventilation and exhaust air systems for trouble-free operation.
Professional advice
Neutral customer advice on questions relating to heating appliances, cleaning and maintenance.
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4.1/5

Emil Oertle

Trust & reputation

ranQ Trust Score of Emil Oertle: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Emil Oertle 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%
Emil Oertle scores 78.5 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%
Emil Oertle 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%
Emil Oertle scores 20.7 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 35.31.44%
  • 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

Emil Oertle 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 58%, 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.

Press

Media

April 20, 2021Media
Herausfordernde Betriebsübernahme für den jungen Kaminfeger
tagblatt.ch

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Location

Brunnenwis 2
8556 Wigoltingen

At a glance

Legal form
Sole proprietorship
UID
CHE-107.394.568
Founded
1992 · 34 years
Last commercial register change
June 28, 2011
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.
67.0
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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