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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryHealthcareENT ClinicsWallisellenPraxis Dr. med. Sonja Bönnhoff
PD
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of the company is the medical treatment and consultation of patients with complaints in the ear, nose and throat (ENT) area by a specialist in ENT medicine. The services include, among other things, the diagnosis and treatment of diseases and complaints such as swallowing, snoring, tonsil problems, voice and speech, breathing, smelling, nasal sinuses, fractures and injuries of the nose and midface, as well as hearing, ear noises and balance/dizziness.

AI-generated
Trust & reputation

ranQ Trust Score of Praxis Dr. med. Sonja Bönnhoff: 4.0 out of 5.0

Trust Score4.0
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4.0/5

Praxis Dr. med. Sonja Bönnhoff

/ 5.0

High

x

Data basis 92% · As of October 2026

Praxis Dr. med. Sonja Bönnhoff scores 77.5 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.60.724%
  • 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.100.010%
  • 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%
Praxis Dr. med. Sonja Bönnhoff scores 69.6 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.79.212%
  • 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%
Praxis Dr. med. Sonja Bönnhoff scores 61.7 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).61.722%
Praxis Dr. med. Sonja Bönnhoff has no value in the Visibility area of the ranQ Trust Score because no data is available. The area carries 8% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Website authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Praxis Dr. med. Sonja Bönnhoff reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.2 out of 5 stars from 63 customer reviews. The data basis is 92%, 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. Full methodology

Reviews

Aggregated rating

Aggregated rating
4.2
of 5

Aggregated from 63 reviews across all connected sources

Sources
GGoogle4.263
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Neue Winterthurerstrasse 99
8304 Wallisellen
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-170.253.848
Founded
2018 · 8 years
Last commercial register change
February 16, 2018
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.
67.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%

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