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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesManagement ConsultingZurichJester Advisory AG
Jester Advisory AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Jester Advisory is to advise and support organizations in transformation processes, particularly in the areas of Corporate Transformation, Team Development, Coaching and Assessment, and Leadership Institute. The company offers services such as vision development, strategic alignment, cultural transformation, value development, and cultural diagnostics to support organizations in their individual potential development.

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Offering

Products & services

Industry:Management Consulting
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Jester Advisory AG

✓ Offered5
Guiding Vision Development
Guiding vision development for purpose, identity and vision; creation of frameworks that connect strategy, culture and leadership, including culture development, organisational and leadership models, as well as strategy facilitation.
Activate & Embed Culture
Culture activation and culture transformation; make values and behaviours tangible in day-to-day work, systematically initiate cultural change and embed it in processes, leadership and communication.
Leadership and Talent Programmes
Organisational leadership programmes, young-talent programmes and Jester E-Learning; development of leadership competencies at all levels, combined with in-person formats, e-learning and digital support.
Analyse Organisation & Leadership Culture
Employee surveys, culture and organisational analysis, leadership audit as well as assessment and development centres; evidence-based diagnosis of values, systems, leadership patterns, staff turnover and absenteeism.
Individual Interventions
Executive team development, conflict facilitation, executive coaching & sparring, and 100-Days Support; targeted support for executives and committees in transitions, conflicts and critical situations.
Trust & reputation

ranQ Trust Score of Jester Advisory AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Jester Advisory AG scores 68.0 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.65.024%
  • 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.49.510%
  • 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%
Jester Advisory AG scores 79.5 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.70.212%
  • 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%
Jester Advisory 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%
Jester Advisory AG scores 11.4 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 35.11.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Jester Advisory AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 out of 5 stars from 6 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
4.3
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.36
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Zeltweg 11a
8032 Zurich

At a glance

Legal form
Corporation
UID
CHE-472.184.800
Founded
2020 · 6 years
Last commercial register change
October 7, 2025
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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