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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesManagement consultantSionBDO SA
BDO SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

BDO SA provides audit and assurance, financial services, accounting, tax and legal advice, and management consulting. Its experts support clients in person and digitally.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Management consultantAuditorAccountant
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BDO SA

✓ Offered4
Audit & Assurance
Audit, financial reporting, audit in accordance with special legislation, internal audit, IT audit & assurance, forensic audit, evaluation reports.
Tax
Tax advice in Switzerland for SMEs, larger companies and private individuals; tax and legal advisory referenced on the branch page.
Advisory
Business and management consulting, organisation and process management, deal advisory, forensic services and related advisory support.
Business Services & Outsourcing
Accounting, payroll and administrative outsourcing support for companies, with general business services provided as an outsourced function.
Trust & reputation

ranQ Trust Score of BDO SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

BDO SA 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%
BDO SA scores 80.4 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.55.07%
BDO SA 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%
BDO SA 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

BDO SA 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

Place du Midi 36
1950 Sion

At a glance

Legal form
Branch
UID
CHE-278.511.546
Founded
2003 · 23 years
Last commercial register change
March 4, 2020
Employees
1 to 10

Active in 1 of 26 cantons

  • VSValais
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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