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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesUsterAmmann + Schmid AG, Sanitär
Ammann + Schmid AG, Sanitär Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Ammann + Schmid AG, Sanitär is a heating and sanitary company providing planning, installation, maintenance and renovation of heating and sanitary systems. It carries out projects for new construction, conversions and refurbishments in residential, commercial and public buildings and supplies and services technologies such as heat pumps, pellet and oil/gas boilers, district heating, solar thermal and photovoltaic systems.

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Products & services

Industry:Plumbing & Building Services
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4.6/5

Ammann + Schmid AG, Sanitär

✓ Offered2
Plumbing service, maintenance and repair
Maintenance and repair of heating and plumbing systems, replacement of fittings, WC units, distribution manifolds and water filters; emergency call-out option and 24-hour repair service.
Plumbing installations
New and replacement installations, plumbing work for new builds, conversions and renovations; carried out with planning, installation and refurbishment for different building types.
Trust & reputation

ranQ Trust Score of Ammann + Schmid AG, Sanitär: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Ammann + Schmid AG, Sanitär scores 92.0 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.91.924%
  • 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.89.710%
  • 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.95.08%
Ammann + Schmid AG, Sanitär 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%
Ammann + Schmid AG, Sanitär scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Ammann + Schmid AG, Sanitär scores 77.1 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 35.77.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ammann + Schmid AG, Sanitär reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 5.0 out of 5 stars from 33 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 33 reviews across all connected sources

Sources
GGoogle533
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Ackerstrasse 46
8610 Uster
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Corporation
UID
CHE-103.876.319
Founded
1965 · 61 years
Last commercial register change
July 6, 2016
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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