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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesSt. GallenErnst & Young AG
Ernst & Young AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Ernst & Young AG provides professional services including assurance (audit), tax, consulting, strategy and transactions, legal services and technology-enabled managed services. The firm also offers sustainability and AI-enabled solutions (for example EY.ai) to support reporting, transformation and risk management.

AI-generated
Offering

Products & services

Industry:Fiduciary Offices
✓ Offered7
Tax consulting
Tax planning, Tax Compliance, Tax Policy and Controversy, as well as Transaction Tax and specialized tax solutions for Financial Services and Private Clients.
Financial auditing
Audit, IFRS, Financial Accounting Advisory Services, Climate Change and Sustainability Services, as well as private client audit experience and long-term value metrics.
Consulting
Strategy, transaction and transformation consulting, risk consulting, cybersecurity consulting, technology transformation, supply chain and operations, and data and decision intelligence.
Legal advice
Corporate and commercial law, digital law, labor and employment law, legal operations, transaction law, real estate law services and financial services law.
People and workforce consulting
Change management and experience services, HR transformation, global mobility and people advisory services, learning and development consulting, recognition and reward advisory, workforce analytics.
Sustainability consulting
Sustainability strategy, ESG strategy, sustainability-integrated operating model, climate and decarbonization, sustainable supply chain, sustainability reporting and assurance, sustainability data and technology.
Managed Services
Scalable and reliable finance operations, cybersecurity managed services, tax managed services, financial accounting and corporate reporting managed services, sustainability managed services and risk managed services.
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4.2/5

Ernst & Young AG

Trust & reputation

ranQ Trust Score of Ernst & Young AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Ernst & Young AG scores 61.9 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.63.324%
  • 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.45.610%
  • 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.78.08%
Ernst & Young AG scores 90.6 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.96.07%
Ernst & Young 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%
Ernst & Young AG scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ernst & Young AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.2 out of 5 stars from 5 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
4.2
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle4.25
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

St. Leonhardstrasse 76
9000 St. Gallen

At a glance

Legal form
Branch
UID
CHE-327.393.030
Founded
1998 · 28 years
Last commercial register change
October 8, 2009
Employees
101 to 500
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.
76.0
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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