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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryCrafts & TradesHeating installerRiehenHans Heimgartner AG
Hans Heimgartner AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Hans Heimgartner AG is a plumbing and heating contractor. It plans, installs and maintains plumbing systems and heating equipment, including renewable energy and solar systems, and provides planning, installation and maintenance for garden irrigation systems.

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Presence

Service area

Offering

Products & services

Industry:Heating installerPlumber
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4.0/5

Hans Heimgartner AG

✓ Offered5
Sanitary installations
Advice, realisation and maintenance for water installations in the house and in the flat; water-damage detection and repair, bathroom refurbishments, pipe cleaning, domestic hot-water treatment, boiler work.
Heating technology
Consulting and realisation of heating systems; repairs, boiler replacements, internal chimney refurbishments, thermostatic valves, radiator replacements and installation of floor heating.
Renewable energies
Solutions for renovating heating systems with renewable energies; heat-pump, ground-source and pellet heating systems, district heating, heat-pump boilers, photovoltaic systems, solar technology.
Solar systems
Advice, installation and maintenance of thermal solar systems for hot water, as well as replacement of solar boilers.
Garden irrigation
Advice, planning, realisation and maintenance of manual and automatic garden irrigation and sprinkler systems; repairs and draining for winter.
Trust & reputation

ranQ Trust Score of Hans Heimgartner AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of November 2026

Hans Heimgartner AG scores 74.4 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.74.224%
  • 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.72.110%
  • 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.78.08%
Hans Heimgartner AG scores 67.5 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.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%
Hans Heimgartner 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%
Hans Heimgartner AG scores 12.3 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 35.12.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hans Heimgartner AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.6 out of 5 stars from 16 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
4.6
of 5

Aggregated from 16 reviews across all connected sources

Sources
GGoogle4.616
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Bosenhaldenweg 1
4125 Riehen
Opening hours
Mon
07:00 - 16:30
Tue
07:00 - 16:30
Wed
07:00 - 16:30
Thu
07:00 - 16:30
Fri
07:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-151.217.970
Founded
2022 · 4 years
Last commercial register change
July 4, 2022
Employees
1 to 10

Active in 1 of 26 cantons

  • BSBasel-City
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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