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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesKirchdorf AgJetzer AG
Jetzer AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Jetzer AG is the planning, execution and maintenance of building technology systems, particularly in the areas of plumbing, heating and ventilation, for new construction and renovation projects in the private and public sectors.

AI-generated
Offering

Products & services

Industry:Plumbing & Building ServicesSpecialized Construction Installations
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4.3/5

Jetzer AG

✓ Offered4
Sanitary installations
Planning, installation and maintenance of sanitary systems; expert assessments of existing installations, water supply lines, domestic installations, water softening systems, pump systems, delivery of equipment and fittings.
Heating installations
Planning, installation and maintenance of heating systems; expert assessments, heat pumps, oil and wood heating systems, district heating connections, chimney systems as well as underfloor heating, radiators and heating walls.
Ventilation installations
Planning, installation and maintenance of ventilation systems; expert assessments of existing installations, comfort ventilation (Minergie) and exhaust air systems.
Service, repair and maintenance
Repairs, maintenance and cleaning of sanitary, heating and ventilation systems; emergency service, boiler descaling, fine filter service and leak detection with a thermal imaging camera.
Trust & reputation

ranQ Trust Score of Jetzer AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Jetzer AG scores 78.4 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.71.724%
  • 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.77.410%
  • 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.100.08%
Jetzer 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%
Jetzer AG 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%
Jetzer AG scores 12.9 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 35.12.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Jetzer AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.5 out of 5 stars from 20 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
4.5
of 5

Aggregated from 20 reviews across all connected sources

Sources
GGoogle4.520
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Paradiesstrasse 8
5416 Kirchdorf Ag
Opening hours
Mon
07:30 - 17:00
Tue
07:30 - 17:00
Wed
07:30 - 17:00
Thu
07:30 - 17:00
Fri
07:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.103.015
Founded
1969 · 57 years
Last commercial register change
September 3, 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.
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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