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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectorySportsBreathwork, Meditation & Yoga CentersWinterthurOliver Ulmann
Oliver Ulmann Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company offers martial arts and wellness services, including Kung Fu, Zen meditation, QiGong and yoga. It is a school led by Oliver Ulmann and based in Winterthur.

AI-generated
Offering

Products & services

Industry:Breathwork, Meditation & Yoga Centers
✓ Offered6
Kung Fu
Wing Chun Kung Fu classes for adults with mobility, strength, endurance, self-defence, body awareness, as well as intensive seminars and private lessons.
Kids and Teen Kung Fu
Kung Fu classes for children and young people focusing on coordination, strength, mobility, self-confidence, respect, team spirit, discipline and optional examinations.
Qi Gong
Qi Gong classes with gentle movements, breathing exercises and visualization, offered as term courses with a tea break, a trial session and start at any time.
Yoga
Hatha Yoga classes with asanas, breathing exercises and meditation, offered as term courses with a trial session and start at any time without prior knowledge.
Taiji Quan
Taiji Quan courses with introductory classes, weekly training, private lessons and individual learning analysis; focus on movement, balance, mindfulness and inner calm.
Zen Meditation
Zazen classes with posture, breathing, mindset, warm-up exercises and silent sitting; as a term course on request, start at any time.
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4.4/5

Oliver Ulmann

Trust & reputation

ranQ Trust Score of Oliver Ulmann: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Oliver Ulmann scores 93.4 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.90.224%
  • 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%
Oliver Ulmann scores 72.7 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.55.07%
Oliver Ulmann 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%
Oliver Ulmann scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Oliver Ulmann reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 53 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
4.9
of 5

Aggregated from 53 reviews across all connected sources

Sources
GGoogle4.953
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Ida-Sträuli-Strasse 83
8404 Winterthur
Opening hours
Mon
06:00 - 21:00
Tue
06:00 - 21:00
Wed
06:00 - 21:00
Thu
06:00 - 21:00
Fri
06:00 - 21:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-166.744.646
Founded
2016 · 10 years
Last commercial register change
August 24, 2026
Employees
1 to 10
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.
67.0
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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