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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryHealthcareOther Specialist ClinicsZurichIZZ Immunologie-Zentrum Zürich, Dr. med. Thomas Hauser
IZZ Immunologie-Zentrum Zürich, Dr. med. Thomas Hauser Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company is a medical center specializing in the diagnosis, treatment, and research of immunological diseases. The core activities include: Diagnosis and therapy of immunological diseases such as allergies, skin diseases, joint diseases, and kidney diseases; Immunotherapy, including subcutaneous allergen immunotherapy; Research and clinical studies in the field of immunology; Patient care and counseling by specialized physicians; Laboratory analyses and rapid availability of test results. The company also offers online appointments and COVID-19 tests.

AI-generated
Offering

Products & services

Industry:Other Specialist Clinics
✓ Offered7
Allergology
Allergy tests including provocation tests, assessment and treatment of allergies, asthma, urticaria, skin allergies, hand eczema and sun allergy / photodermatosis.
Immunology / immunotherapy
Assessment and treatment of immunity, immunodeficiency, primary and secondary immunodeficiency, vaccinations, desensitisation and subcutaneous allergen immunotherapy.
Dermatology
Assessment and treatment of acne, dermatitis / rash, atopic eczema, itching, rosacea, hair conditions, skin infections and rare skin changes.
Rheumatology / inflammatory musculoskeletal disorders
Assessment and treatment of arthritis, rheumatism, ankylosing spondylitis, Still's disease, systemic sclerosis / scleroderma, vasculitis, Raynaud's syndrome and muscle inflammations.
Nephrology
Assessment and care for kidney diseases, renal insufficiency / renal failure, inflammation of the kidney corpuscles / glomerulonephritis and nephrotic syndrome.
Diagnostics
Allergy tests, lung function measurements, tissue sampling (biopsies), laboratory diagnostics in our own lab and externally, digital X-ray, ultrasound, joint punctures and sialometry.
Therapy with infusions and injections
Infusions and injections of various medicines as well as cloth and light therapies as part of outpatient treatment.
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4.2/5

IZZ Immunologie-Zentrum Zürich, Dr. med. Thomas Hauser

Trust & reputation

ranQ Trust Score of IZZ Immunologie-Zentrum Zürich, Dr. med. Thomas Hauser: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

IZZ Immunologie-Zentrum Zürich, Dr. med. Thomas Hauser scores 71.2 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.51.224%
  • 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.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.95.08%
IZZ Immunologie-Zentrum Zürich, Dr. med. Thomas Hauser scores 76.4 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.86.512%
  • 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%
IZZ Immunologie-Zentrum Zürich, Dr. med. Thomas Hauser 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%
IZZ Immunologie-Zentrum Zürich, Dr. med. Thomas Hauser 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

IZZ Immunologie-Zentrum Zürich, Dr. med. Thomas Hauser 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 118 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
of 5

Aggregated from 118 reviews across all connected sources

Sources
GGoogle4118
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Walchestrasse 11
8006 Zurich
Opening hours
Mon
08:00 - 12:00, 13:00 - 18:00
Tue
08:00 - 12:00, 13:00 - 18:00
Wed
08:00 - 12:00, 13:00 - 18:00
Thu
08:00 - 12:00, 13:00 - 18:00
Fri
08:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-115.611.791
Founded
2016 · 10 years
Last commercial register change
November 14, 2025
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.67.06%
  • 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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