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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesManagement ConsultingBrugg AgYell AG
Yell AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of YELL AG is management reinforcement for companies, particularly SMEs, through the provision of management services such as: Interim Management, Business Consulting, Leadership Tools, Human Resource Management, Business Coaching, Business Controlling, and Project Management. The company offers specialized services for various areas, including corporate management, finance and controlling, human resource management, and leadership tools. It supports companies in addressing challenges such as market changes, crisis management, restructuring, and succession planning.

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Offering

Products & services

Industry:Management Consulting
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Yell AG

✓ Offered10
Interim management
Interim management for executive management, finance, controlling, HR and projects; bridges vacancies, relieves day-to-day operations, and supports restructurings and crises.
Business consulting
Consulting on business development, organisation design, strategic and business-economic issues, situation assessments, change, crises, as well as HR and leadership matters.
Business coaching
Coaching for company owners, managing directors and executives on decisions, strategies, organisation, change, conflicts, HR matters, and an independent second opinion.
SME business controlling
Independent controlling consulting for SMEs with business-oriented monitoring, analysis of key controlling data, identification of earnings potential, and a deputy function in financial management.
Personnel management
Support with personnel decisions, leadership development, conflict resolution and succession issues; use of diagnostics, leadership coaching, mediation and management consulting.
Business succession
Modular succession concept for family businesses with situation assessment, requirement profiles, selection of successor, company valuation, identifying buyers, and advising the successor.
YELLScan™
Expert system for the rapid analysis of success factors, bottlenecks and measures; covers corporate strategy, leadership, controlling, as well as project management and project crises.
YELLDiagnosis™
Comprehensive assessment procedure for managers and key people; provides statements on abilities, personality, attitudes, motives, development potential and leadership strength.
YELLXelex™
Systemically structured instrument for defining precise requirement profiles for management and key positions; considers perspectives, criteria and priorities.
YELLWin-Win™
Confidential conflict-resolution procedure with dialogue processes and mediation for the constructive clarification of escalated or latent conflicts and to reduce conflict costs.
Trust & reputation

ranQ Trust Score of Yell AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Yell AG 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.
x
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%
Yell AG scores 78.3 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.83.012%
  • 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%
Yell AG scores 83.3 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).83.322%
Yell AG scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Yell AG 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 October 2026.

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

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Location

Industriestrasse 20
5200 Brugg Ag

At a glance

Legal form
Corporation
UID
CHE-105.329.318
Founded
2017 · 9 years
Last commercial register change
November 29, 2024
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.
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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