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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryHealthcareOphthalmology ClinicsZurichTAZZ AG
TAZZ AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

TAZZ AG is an ophthalmological group practice providing eye diagnostics and medical treatments, including routine examinations, refraction and eyewear fitting, cataract surgery, retinal diagnostics and intravitreal therapies.

AI-generated
Offering

Products & services

Industry:Ophthalmology Clinics
✓ Offered10
Ophthalmic treatment and prevention
Ophthalmic care for all eye diseases, eye complaints, and preventive examinations; regular consulting hours by appointment, with direct assessment and treatment on site.
Medical services / Therapy / Treatment / Assessment
Examinations, therapies and interventions in ophthalmology, including direct treatment on site when, as part of the assessment, a need is identified.
Treatment of cataract and glaucoma
Focus areas for the treatment of cataract (clouding of the lens) and glaucoma (green star), including specialized diagnostics and procedures.
Retina and macula treatment
Assessment and treatment of age-related macular degeneration, retinal diseases, epiretinal membrane, macular hole, retinal tear, and retinal detachment.
Refractive treatment and eyeglass fitting
Treatment of refractive errors, surgical correction of refractive errors, and eyeglass fitting for clear vision and comfortable wear.
Examinations and diagnostics
Measurement of intraocular pressure, preventive examination, slit-lamp examination, visual field testing, fluorescein angiography, and diagnosis of retinal diseases.
Intravitreal therapy and laser treatments
Intravitreal injection therapy, laser treatments, and photobiomodulation therapy for dry macular degeneration.
Strabology, orthoptics and paediatric ophthalmology
Orthoptics (vision training), strabology, paediatric ophthalmology, as well as diagnostics and therapy for all types of squint.
Myopia management
Myopia management for care and treatment of nearsightedness.
Assessments for CVI
Assessments within the framework of CVI for the ophthalmic evaluation of corresponding complaints or findings.
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4.1/5

TAZZ AG

Trust & reputation

ranQ Trust Score of TAZZ AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

TAZZ AG scores 55.1 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.47.224%
  • 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.55.910%
  • 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.78.08%
TAZZ AG scores 91.3 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.97.712%
  • 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%
TAZZ 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%
TAZZ AG scores 77.1 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 35.77.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

TAZZ AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.5 out of 5 stars from 8 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
3.5
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle3.58
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Pelikanstrasse 18
8001 Zurich

At a glance

Legal form
Corporation
UID
CHE-205.533.664
Founded
2012 · 14 years
Last commercial register change
July 23, 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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