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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumberHochdorfStefan Mehr AG
Stefan Mehr AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Stefan Mehr AG provides plumbing, heating, gas and related services. Its work includes consultation, planning, installation, repairs and renovations for new-build and refurbishment projects.

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Service area

Offering

Products & services

Industry:PlumberProperty developer
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4.0/5

Stefan Mehr AG

✓ Offered9
Sanitary installations
Advice, planning and execution of sanitary installations for single- and multi-family houses, industry and agriculture; new builds, conversions, renovations and maintenance work.
Heating installations
Advice, planning and execution of heating systems; conversions and new builds, heat pumps, wood-, gas- and oil-fired heating systems as well as underfloor heating and radiators.
Gas installations
Natural gas installations as well as advice, planning and execution of gas-fired heating systems as part of conversion and new-build projects.
Bathroom conversions and bathroom renovations
Advice, planning, organization and execution of bathroom conversions; bathroom renovations for single- and multi-family houses as well as renovation and new-build projects.
Kitchen conversions
Advice, planning, organization and execution of kitchen conversions as part of conversion and renovation projects.
Boiler and hot water heater service
Descaling of boilers, boiler replacement, boiler cleaning, as well as draining-down and commissioning of garden lines.
Pipe and drain service
Unblocking of drains, repair or replacement of fittings, flush cistern service, cleaning and inspection of wastewater lifting stations, as well as pipe replacement.
Water treatment
Filtration, softening and desalination as well as softening and desalination systems for sanitary installations and buildings.
Solar systems
Advice, planning and execution of solar systems in connection with sanitary, conversion and new-build projects.
Trust & reputation

ranQ Trust Score of Stefan Mehr AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of November 2026

Stefan Mehr AG scores 57.6 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.72.124%
  • 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.40.910%
  • 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.35.08%
Stefan Mehr 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%
Stefan Mehr AG scores 86.7 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).86.722%
Stefan Mehr AG scores 3.7 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 35.3.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stefan Mehr AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 out of 5 stars from 4 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle4.84
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Bankstrasse 11
6280 Hochdorf
Opening hours
Mon
07:30 - 12:00, 13:15 - 17:15
Tue
07:30 - 12:00, 13:15 - 17:15
Wed
07:30 - 12:00, 13:15 - 17:15
Thu
07:30 - 12:00, 13:15 - 17:15
Fri
07:30 - 12:00, 13:15 - 16:15
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-110.218.848
Founded
2003 · 23 years
Last commercial register change
June 15, 2009
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • LUHochdorf
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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