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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceSteckbornEmanuel Tanner
Emanuel Tanner Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Tanner Steckborn is the provision of services in the field of chimney sweeping, heating system control, fire protection and ventilation cleaning. Specifically, this includes: chimney sweeping services in the canton of Thurgau, heating system control and fire protection for municipalities and private customers, as well as ventilation and solar panel cleaning in cooperation with partner companies. The company thus offers a wide range of services in the field of heating and ventilation technology as well as fire protection.

AI-generated
Offering

Products & services

Industry:Building Maintenance
✓ Offered4
Chimney sweeping work
Cleaning of combustion and flue gas extraction systems, exhaust ducts and smoke chambers; inspection of fire-safety regulations for single-room heating units, central heating systems as well as commercial and industrial heating systems using oil, gas or wood.
Combustion system inspection
Exhaust gas measurements and inspections of oil and gas burners up to 1 MW, and wood-fired heating systems up to 70 kW, including periodic CO measurements and commissioning approvals for new installations.
Fire protection
Advisory services for building fire protection issues, approvals and applications for heating installations, as well as acceptance inspections of building services fire protection systems, including on behalf of municipalities.
Ventilation cleaning
Maintenance and cleaning of ventilation units, extract air systems, underground garage exhaust ventilation and complete systems; for comfort ventilation, controlled residential ventilation and commercial installations.
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3.9/5

Emanuel Tanner

Trust & reputation

ranQ Trust Score of Emanuel Tanner: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Emanuel Tanner 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.70.824%
  • 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.27.910%
  • 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%
Emanuel Tanner scores 75.3 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.92.512%
  • 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%
Emanuel Tanner 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%
Emanuel Tanner scores 9.4 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 35.9.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Emanuel Tanner reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 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
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Frauenfelderstrasse 44
8266 Steckborn
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:30
Tue
07:30 - 12:00, 13:00 - 17:30
Wed
07:30 - 12:00, 13:00 - 17:30
Thu
07:30 - 12:00, 13:00 - 17:30
Fri
07:30 - 12:00, 13:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-108.198.509
Founded
2014 · 12 years
Last commercial register change
August 12, 2014
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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