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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesManagement ConsultingBuchs SgGrant Thornton Advisory AG
Grant Thornton Advisory AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Grant Thornton Advisory AG provides advisory, audit, tax and outsourcing services. The firm supports clients with specialised solutions in areas such as IT and digitalisation, regulatory and compliance matters, mergers and acquisitions, legal services, accounting and payroll.

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Products & services

Industry:Management ConsultingFiduciary OfficesFinancial Services
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3.8/5

Grant Thornton Advisory AG

✓ Offered5
Accounting Outsourcing
Accounting and bookkeeping services as external outsourcing, covering administrative, organisational and accounting tasks tailored to client needs.
Payroll Services
Payroll and personnel administration services in outsourcing, with administrative and organisational support for companies.
Tax Advisory
Tax advice on domestic and international matters, including corporate tax, VAT, transfer pricing and M&A tax.
Audit Services
Independent audit services for businesses and financial services institutions, including industry-specific audit services.
Business Advisory
Advisory services for IT and digitalisation, regulatory and compliance, legal services, business risk, IFRS, forensic work, M&A and trust services.
Trust & reputation

ranQ Trust Score of Grant Thornton Advisory AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 54% · 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.
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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%
Grant Thornton Advisory AG scores 48.3 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.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.55.07%
Grant Thornton Advisory AG scores 83.3 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).83.322%
Grant Thornton Advisory 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

Grant Thornton Advisory AG reaches a ranQ Trust Score of 3.8 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

Hier entsteht die Karte
Bahnhofstrasse 7
9470 Buchs Sg

At a glance

Legal form
Branch
UID
CHE-425.965.594
Founded
2025 · 1 year
Last commercial register change
November 5, 2025
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.
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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