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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesWil SgSchönenberger & Partner AG Sanitäre Anlagen
Schönenberger & Partner AG Sanitäre Anlagen Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Schönenberger & Partner AG Sanitäre Anlagen is specialised in sanitary installations, heating and ventilation, providing planning, installation and maintenance services for new builds, renovations and conversions. Services include potable water and wastewater installations, bathroom renovations, water treatment, pipe clearing and emergency service.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered5
Plumbing solutions
Drinking water and wastewater installations, sanitary connections for kitchen and bathroom, bathroom conversions and renovations, water treatment and softening systems, pipe cleaning, unblocking and repairs.
Heating & heat
Heat pumps, district heating, gas heating systems as replacement units, boilers and hot water storage tanks, control and regulation, including maintenance, venting, hydraulic balancing and emergency service.
Ventilation
Comfort and hygienic ventilation with heat recovery, fresh air supply and moisture extraction, including advice on Minergie and passive houses.
Consulting & planning
Complete solutions for efficient buildings, planning and implementation of new-build and renovation projects, coordination of all specialist partners as well as operation and maintenance.
Service
Heating service and sanitary service with maintenance work, heating check-up, burner maintenance, flushing of the underfloor heating, boiler descaling, filter replacement and clearing of drain lines.
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4.4/5

Schönenberger & Partner AG Sanitäre Anlagen

Trust & reputation

ranQ Trust Score of Schönenberger & Partner AG Sanitäre Anlagen: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Schönenberger & Partner AG Sanitäre Anlagen scores 89.6 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.89.724%
  • 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.98.510%
  • 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%
Schönenberger & Partner AG Sanitäre Anlagen scores 73.1 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.83.012%
  • 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%
Schönenberger & Partner AG Sanitäre Anlagen 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%
Schönenberger & Partner AG Sanitäre Anlagen scores 54.3 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 35.54.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Schönenberger & Partner AG Sanitäre Anlagen reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 47 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
4.9
of 5

Aggregated from 47 reviews across all connected sources

Sources
GGoogle4.947
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Wilenstrasse 32
9500 Wil Sg
Opening hours
Mon
07:00 - 12:00, 13:15 - 17:00
Tue
07:00 - 12:00, 13:15 - 17:00
Wed
07:00 - 12:00, 13:15 - 17:00
Thu
07:00 - 12:00, 13:15 - 17:00
Fri
07:00 - 12:00, 13:15 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-421.818.907
Founded
2017 · 9 years
Last commercial register change
July 10, 2017
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.76.06%
  • 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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