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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesCoaching & Personal DevelopmentWinterthurCardun AG
Cardun AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company provides consulting, coaching and supervision to support companies in solving problems and improving their leadership and communication culture. The core activity of the company is to support companies in implementing a paradigm shift in their leadership and communication culture by offering tools and methods such as Spiralrhetorik®, in order to reduce interaction costs and strengthen the resources of employees.

AI-generated
Offering

Products & services

Industry:Coaching & Personal DevelopmentManagement Consulting
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3.9/5

Cardun AG

✓ Offered5
Spiralrhetorik® Tools
Communication aids in a modular system with 12 tools, available individually or in groups, for decision-making, opinion forming, weighing options, mirroring feedback and meeting observation.
Consultation
Personal initial consultation for 1 hour at the main office in Winterthur; from this, options may arise for subsequent coaching or, rarely, an additional consultation at the standard rate.
Coaching
Coaching with suitable tools from Spiralrhetorik® for private individuals and organisations, billed by the hour; coaching/advisory sessions in organisations and further training are also available on quotation.
Supervision
Supervision with Spiralrhetorik® tools, moderated by Heiner Dübi; the corresponding workshops are offered and tailored to the specific situation.
Seminars, Courses, Workshops and Events on Spiralrhetorik®
Training, events, workshops, seminars and courses on Spiralrhetorik®; events are scheduled again and workshops are offered on request.
Trust & reputation

ranQ Trust Score of Cardun AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Cardun AG scores 52.7 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.68.224%
  • 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.17.610%
  • 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.50.08%
Cardun 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%
Cardun 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%
Cardun AG scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Cardun AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Obergasse 34
8400 Winterthur

At a glance

Legal form
Corporation
UID
CHE-107.348.775
Founded
1991 · 35 years
Last commercial register change
June 29, 2010
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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