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

About the company

The core activity of Sanitär Sonderegger is the provision of services in the field of sanitary installation and repair, including: bathroom and kitchen renovations, repairs of sanitary facilities, cold and hot water installations, boiler descaling, and 24/7 emergency service for sanitary problems. The company offers these services as a sanitary installer with over 20 years of experience and emphasizes cost-effective and quick solutions without hidden costs.

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Offering

Products & services

Industry:Plumbing & Building Services
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3.9/5

Sanitär Sonderegger GmbH

✓ Offered4
Bathroom and kitchen renovations
Bathroom and kitchen renovations, including refurbishments and adjustments to sanitary installations in residential areas.
Repairs of sanitary installations
Repairs of sanitary installations for leaking pipes, clogged drains and other faults in the sanitary sector.
Cold and hot water installations
Cold and hot water installations for sanitary systems and building installations.
Boiler descaling
Boiler descaling for maintenance and servicing of hot water heaters.
Trust & reputation

ranQ Trust Score of Sanitär Sonderegger GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Sanitär Sonderegger GmbH scores 73.7 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.76.724%
  • 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.45.610%
  • 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%
Sanitär Sonderegger GmbH scores 61.5 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.50.012%
  • 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%
Sanitär Sonderegger GmbH 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%
Sanitär Sonderegger GmbH scores 2.3 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.2.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sanitär Sonderegger GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 5 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 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Sonnenhügelstrasse 4
8589 Sitterdorf
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-307.490.658
Founded
2023 · 3 years
Last commercial register change
May 10, 2023
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.
88.0
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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