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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesAdministrative ServicesZurichGrant Thornton Advisory AG
Grant Thornton Advisory AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Grant Thornton Advisory AG is a consulting and audit firm that provides services in audit, tax, advisory and outsourcing. The company also offers specialised services such as legal, risk, IFRS and transaction advisory.

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3.9/5

Grant Thornton Advisory AG

Products & services

Industry:Administrative ServicesManagement ConsultingFiduciary Offices
✓ Offered3
Tax Advisory
Tax advisory for corporate and private clients, including Corporate Tax, Individual Tax, Indirect Tax/VAT, Transfer Pricing, M&A Tax and Tax Financial Services.
Business Advisory
Business advisory for IT and digitalisation, forensic services, regulatory and compliance, mergers and acquisitions, legal services, trust services, business risk services, IFRS and quantitative risk.
Outsourcing Services
Outsourcing of administrative, organisational and accounting tasks, especially Accounting Services, Payroll Services and Abacus-supported bookkeeping.
Trust & reputation

ranQ Trust Score of Grant Thornton Advisory AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 58% · As of October 2026

Grant Thornton Advisory 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%
Grant Thornton Advisory AG scores 62.1 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.25.012%
  • 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.90.07%
Grant Thornton 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%
Grant Thornton Advisory AG scores 50.0 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: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Grant Thornton Advisory AG reaches a ranQ Trust Score of 3.9 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 58%, 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.

Press

Media

May 7, 2026Media
AMAS gewinnt AMINDIS und Grant Thornton als neue Mitglieder | News | Aktuell
investrends.ch

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Location

Claridenstrasse 35
8002 Zurich

At a glance

Legal form
Corporation
UID
CHE-226.591.466
Founded
2025 · 1 year
Last commercial register change
September 8, 2026
Employees
51 to 100
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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