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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryHealthcareDermatologistZurichONA Zürich AG
ONA Zürich AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The company's core activity is the medical and aesthetic treatment of skin problems and the performance of surgical interventions in the field of dermatology and aesthetics. The company offers a wide range of treatments, including skin tightening, liposuction, sclerotherapy for spider veins and other aesthetic procedures, as well as medical cosmetics and skin therapy.

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Service area

Offering

Products & services

Industry:Dermatologist
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4.2/5

ONA Zürich AG

✓ Offered8
General Dermatology
General dermatological consultations and treatments for skin conditions, including preventive care and skin checks, acne and rosacea, eczema, psoriasis, hair and nail disorders, and paediatric dermatology.
Skin Cancer Treatment
Detection and removal of precancerous lesions as well as black and white skin cancer, including dermatological assessment, phototherapy, and treatment options for precancerous skin lesions.
Allergology
Assessment, testing and treatment of allergies with a dermatological focus.
Dermatosurgery
Surgical dermatology with skin procedures, supported by a separate operating suite, a Mohs surgery area and sterilisation.
Mohs Surgery
Specialised surgical technique for removing skin cancer in sensitive locations.
Aesthetic Medicine
Aesthetic treatments such as wrinkle smoothing, facial contouring, skin rejuvenation with Radiesse, lip enhancement, Ultherapy, PROFHILO®, laser treatments, thread lifting, sclerotherapy, fat-dissolving injections and polynucleotides.
Aesthetic Surgery
Surgical aesthetic procedures such as lip lift, eyelid tightening, eyebrow lift, and facial and neck tightening.
Skin Therapy & Medical Cosmetics
Skin therapy and medical cosmetics with skincare counselling, Morpheus8, mesotherapy, DKZ Signature Facial, treatment of pigment and age spots, couperose, laser hair removal, microneedling, chemical peels and tattoo removal.
Trust & reputation

ranQ Trust Score of ONA Zürich AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of November 2026

ONA Zürich AG scores 71.6 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.50.324%
  • 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%
ONA Zürich AG scores 85.0 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.82.07%
ONA Zürich AG scores 88.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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).88.322%
ONA Zürich AG scores 53.6 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 35.57.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.50.04%
Qualifications+0.00

ONA Zürich AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.0 out of 5 stars from 534 customer reviews. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4
of 5

Aggregated from 534 reviews across all connected sources

Sources
GGoogle4534
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

April 13, 2026Media
Sirnacher DKZ-Klinik ist wieder offen – Gründer schweigen über die Hintergründe
thurgauerzeitung.ch
April 9, 2026Media
Sirnacher DKZ-Schönheitsklinik ist geschlossen, Gründer haben Hausverbot
thurgauerzeitung.ch
March 28, 2026Media
Übler Zoff im Verwaltungsrat der privaten Hautklinik DKZ
blick.ch
March 28, 2026Media
Streit im Vorstand von Dermatologieklinik DKZ eskaliert
blick.ch

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Location

Vulkanplatz 8
8048 Zurich
Opening hours
Mon
07:30 - 20:00
Tue
07:30 - 20:00
Wed
07:30 - 20:00
Thu
07:30 - 20:00
Fri
07:30 - 18:00
Sat
09:00 - 16:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-390.056.281
Founded
2017 · 9 years
Last commercial register change
September 2, 2026
Employees
21 to 50

Active in 1 of 26 cantons · 1 municipality

  • ZHZurich
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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