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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryHealthcareOther Specialist ClinicsZollikonZentrum für Schlafmedizin AG
Zentrum für Schlafmedizin AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is the diagnosis, consulting and therapy of sleep disorders and sleep-related daytime complaints. The company offers outpatient services, including the examination and treatment of patients with sleep apnea, hypersomnia, parasomnia and other sleep disorders. It works with experienced somnologists and state-of-the-art facilities to provide individualized therapies and consultations.

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Products & services

Industry:Other Specialist Clinics
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4.1/5

Zentrum für Schlafmedizin AG

✓ Offered6
Sleep medicine
Sleep medicine assessment and treatment of sleep disorders, daytime sleepiness and sleep problems; including differential diagnosis, a sleep consultation and, if needed, polysomnography.
Assessment of sleep problems
Assessment of insomnia, snoring, sleep apnoea, daytime sleepiness, narcolepsy, restless legs syndrome, parasomnias and disorders of the sleep–wake rhythm.
Sleep consultation
Specialised consultation to record symptoms and medical history, identify causes and prepare targeted treatment steps.
Polysomnography
Monitored sleep recording for precise diagnosis of sleep disorders and as a basis for an individualised therapy.
Online test for daytime sleepiness
Epworth Sleepiness Scale as an online test to assess daytime sleepiness and as guidance before registration.
Referral registration for referring physicians
Patient registration form, fillable as a PDF and sendable to the sleep center by e-mail, postal mail or fax.
Trust & reputation

ranQ Trust Score of Zentrum für Schlafmedizin AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 96% · As of October 2026

Zentrum für Schlafmedizin AG scores 65.9 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.51.924%
  • 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.76.210%
  • 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%
Zentrum für Schlafmedizin AG scores 79.5 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.70.212%
  • 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.82.07%
Zentrum für Schlafmedizin AG 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%
Zentrum für Schlafmedizin AG 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

Zentrum für Schlafmedizin AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.9 out of 5 stars from 19 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
3.9
of 5

Aggregated from 19 reviews across all connected sources

Sources
GGoogle3.919
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Forchstrasse 420
8702 Zollikon
Opening hours
Mon
08:00 - 11:30, 13:30 - 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, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-137.134.233
Founded
2020 · 6 years
Last commercial register change
September 8, 2026
Employees
21 to 50
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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