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

About the company

Erich Huser AG is an installation contractor for heating, plumbing and ventilation systems. It plans and carries out new installations and conversions, and provides repairs, maintenance and servicing for these systems.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Plumber
✓ Offered4
Plumbing
New installations, bathroom renovations and conversions, pipework renovations, water softening systems and irrigation systems; consulting on sanitary fixtures, fittings and pipework.
Heating
Heating renovations and new installations for new buildings and conversions; oil heating, ground-source heat pumps, air-to-water heat pumps, solar collectors, wood and pellets, natural gas.
Ventilation
Comfort ventilation for houses and apartments, kitchen extract, exhaust air in wet rooms, apartment ventilation, heat recovery systems and air conditioning units.
Service and maintenance work
Repairs, service and maintenance work in plumbing, heating and ventilation, maintenance subscriptions as well as emergency service outside office hours.
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4.0/5

Erich Huser AG

Trust & reputation

ranQ Trust Score of Erich Huser AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of November 2026

Erich Huser AG scores 59.7 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.73.124%
  • 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.35.310%
  • 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.50.08%
Erich Huser 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%
Erich Huser 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%
Erich Huser AG scores 4.6 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 35.4.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Erich Huser AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 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
5
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Churerstrasse 62b
8852 Altendorf

At a glance

Legal form
Corporation
UID
CHE-109.510.911
Founded
2002 · 24 years
Last commercial register change
July 23, 2019
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • SZAltendorf
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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