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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryHealthcareDental ClinicsZurichZZG AG
ZZG AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is the provision of dental medical services, including general dentistry, orthodontics, dental implants, cosmetic dentistry and prophylaxis. The company offers individual dental treatments, consultations and care by an experienced team of dentists and dental hygienists, with the aim of improving the oral health and aesthetic appearance of patients.

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Offering

Products & services

Industry:Dental Clinics
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ZZG AG

✓ Offered9
Dental hygiene
Preventive dentistry with regular check-ups, professional tooth cleaning, removal of plaque and tartar, and prevention of caries, periodontitis and gum inflammation.
Aesthetic dentistry
Aesthetic treatments for tooth colour, tooth shape, tooth position and gums, including bleaching, veneers, composite fillings, ceramic inlays, crowns and gum corrections.
Dental implants
Surgical implant treatment for missing teeth, with fixed or removable dental restorations and a digital scanning procedure instead of conventional impression taking.
General dental treatments
Individual basic dental care with consultation, fillings, dental prosthetics, removable dentures, treatment for children and root canal treatment.
Periodontal treatment
Treatment and prevention of periodontitis focused on the gums and the jawbone supporting the teeth, including course, diagnosis, consequences and therapy.
Braces
Orthodontic treatment with conventional, invisible, fixed and removable braces for children and adults.
Treatment of dental anxiety
Compassionate treatment for anxious patients with a calming environment, information/education, injection techniques that are less painful, nitrous oxide and anaesthesia.
Laser treatment
Laser-assisted dental treatments, including periodontal treatment, gum corrections, root treatments, treatment of herpes and aphthae, and treatment of sensitive tooth necks.
Minor surgery
Minor and medium oral procedures such as cystectomies, root-end resections, wisdom tooth extractions, as well as pre-prosthetic surgery and complex implantology.
Trust & reputation

ranQ Trust Score of ZZG AG: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 96% · As of October 2026

ZZG AG scores 93.6 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.88.824%
  • 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%
ZZG AG scores 89.3 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.100.012%
  • 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.70.07%
ZZG AG scores 85.0 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).85.022%
ZZG AG scores 71.4 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 35.71.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ZZG AG reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.8 out of 5 stars from 191 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
4.8
of 5

Aggregated from 191 reviews across all connected sources

Sources
GGoogle4.8191
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Gartenstrasse 33
8002 Zurich
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.752.244
Founded
1990 · 36 years
Last commercial register change
July 11, 2018
Employees
11 to 20
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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