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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesCoachWinterthur"KM Management" Kellerhals Martin
"KM Management" Kellerhals Martin Logo
Verified· 2 sourcesTrust Score
Summary

About the company

"KM Management" Kellerhals Martin advises boards and organisations on safety and risk governance, knowledge management and organisational development. Its activities also include EFQM assessments, coaching and executive education.

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Service area

Offering

Products & services

Industry:CoachManagement consultant
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4.1/5

"KM Management" Kellerhals Martin

✓ Offered6
Board Advisory and Executive Sparring
Board and advisory board mandates for complex, regulated and safety-critical environments; strategic decision support under uncertainty, governance insight and a constructive sparring role.
Safety & Risk Governance
Advisory on systemic risk, safety, quality and sustainability; assessing risks beyond compliance, dashboards and KPIs at board level.
Knowledge Strategy
KM frameworks, knowledge strategies, communities of practice and learning architectures that make critical knowledge visible, usable and reusable.
Leadership and Excellence
Self-assessments based on EFQM, external reviews, leadership development and transformation programmes for quality and organisational excellence.
Strategic Implementation
Roadmaps, performance frameworks and project support to implement strategies as practical changes across international and intercultural contexts.
Aviation Safety Advisory
Advisory for aviation organisations on OCC optimisation, crew management, fatigue risk, SMS, EFB introduction and safety culture.
Trust & reputation

ranQ Trust Score of "KM Management" Kellerhals Martin: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

"KM Management" Kellerhals Martin has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
"KM Management" Kellerhals Martin scores 78.5 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.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.55.07%
"KM Management" Kellerhals Martin 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%
"KM Management" Kellerhals Martin scores 6.6 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.6.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

"KM Management" Kellerhals Martin reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Knowledge

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Location

Eichgutstrasse 12
8400 Winterthur

At a glance

Legal form
Sole proprietorship
UID
CHE-109.594.434
Founded
2006 · 20 years
Last commercial register change
June 21, 2021
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ZHWinterthur
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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