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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesManagement consultantSchaffhausenStefan Illmer Consulting
Stefan Illmer Consulting Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Stefan Illmer Consulting provides consulting and training in investment performance, investment reporting and investment controlling, covering the asset-management value chain except research. Services include strategic and process consultancy, software/product advisory, performance review and reporting; typical clients include pension funds, institutional asset managers, family offices and fund companies.

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Service area

Offering

Products & services

Industry:Management consultant
✓ Offered4
Consulting in Investment Performance, Investment Reporting and Investment Controlling
Consulting and training in investment performance, investment reporting and investment controlling; from strategic advice through performance review and monitoring to reporting and controlling.
Consulting along the value chain of investment management
Consulting across all areas of investment management except research, including process redesign, organisational development as well as software- and product-related consulting and product development.
Training and seminars
Specialist training on performance measurement, investment reporting and investment controlling, as well as other customer-specific technical trainings and seminar offerings.
Committee work and specialist advisory
Participation or advisory services for boards of trustees, boards of directors, investment committees, risk committees and audit committees, drawing on specialist experience in investment management and reporting.
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4.1/5

Stefan Illmer Consulting

Trust & reputation

ranQ Trust Score of Stefan Illmer Consulting: 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.

Stefan Illmer Consulting 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%
Stefan Illmer Consulting scores 78.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
Stefan Illmer Consulting scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Stefan Illmer Consulting scores 31.4 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 35.31.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stefan Illmer Consulting 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.

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Location

Weinbergstrasse 28
8200 Schaffhausen

At a glance

Legal form
Sole proprietorship
UID
CHE-221.148.922
Founded
2011 · 15 years
Last commercial register change
May 25, 2011
Employees
1 to 10

Active in 1 of 26 cantons

  • SHSchaffhausen
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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