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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesKaiseraugstBrennermännli GmbH
Brennermännli GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Brennermännli GmbH is a heating installer that provides services for heating systems, burners, boilers, and water softening. Its range includes heating and boiler refurbishments, burner servicing, boiler cleaning, official measurements, and a 24-hour emergency service.

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Offering

Products & services

Industry:Specialized Construction ActivitiesPlumbing & Building Services
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3.4/5

Brennermännli GmbH

✓ Offered7
Heating and Boiler Renovation
Heating and boiler renovation for more efficient heat supply, longer system life and lower energy costs; including consultation, planning and installation.
Burner Maintenance Service
Maintenance, inspection and necessary repairs of oil and gas burners to keep heating systems efficient and reliable.
Boiler Cleaning
Thorough boiler cleaning to remove deposits, improve heat transfer and extend the heating system’s service life.
Water Softening
Water softening for soft water throughout the home, less limescale build-up and lower consumption of cleaning products and energy.
Official Measurements and Combustion Checks
Official measurements and combustion checks for oil and gas heating systems to meet legal requirements and ensure efficient, safe operation.
24/7 Heating Emergency Service
24/7 on-call emergency service for heating systems, burners, oil and gas heating systems and boilers with rapid assistance 365 days a year.
Chimney Sweeping Services
Chimney sweeping services via a partner company for safe chimneys and prevention of chimney fires.
Trust & reputation

ranQ Trust Score of Brennermännli GmbH: 3.4 out of 5.0

Trust Score3.4/ 5.0

Solid

x

Data basis 54% · As of October 2026

Brennermännli 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.
x
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%
Brennermännli GmbH scores 40.1 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.0.012%
  • 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%
Brennermännli GmbH scores 83.3 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).83.322%
Brennermännli GmbH scores 1.1 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 35.1.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Brennermännli GmbH reaches a ranQ Trust Score of 3.4 out of 5.0 — rated «Solid». 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.

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Location

Im Buebechilch 5
4303 Kaiseraugst

At a glance

Legal form
Limited Liability Company
UID
CHE-167.666.693
Founded
2026 · 0 years
Last commercial register change
January 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.
88.0
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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