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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesBaselTRETOR AG
TRETOR AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

TRETOR AG provides fiduciary and advisory services, including accounting and payroll administration, audit services, tax services and business consulting.

AI-generated
Offering

Products & services

Industry:Fiduciary Offices
✓ Offered5
Trust management
Accounting and payroll administration; professional, on-time processing in accordance with statutory regulations for companies.
Business auditing
Audits and expert reports for a competent, independent assessment of business results, as well as greater trust and transparency.
Taxes and levies
Tax advice for companies, individuals and VAT; risk identification, avoidance of tax traps and optimisation of taxes and levies.
Business consulting
Controlling, financing, company start-ups, human resources management, interim management, succession planning, business valuations and board mandates.
International Audit, Tax and Payroll Services
Audit Services, Tax Services and Payroll Services for internationally active companies; advice and support in a cross-border environment.
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4.1/5

TRETOR AG

Trust & reputation

ranQ Trust Score of TRETOR AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

TRETOR 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%
TRETOR AG scores 78.4 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.86.512%
  • 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.70.07%
TRETOR AG scores 86.7 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).86.722%
TRETOR 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 35.60.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.40.04%
Qualifications+0.00

TRETOR 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 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

February 17, 2026Media
Pictet tätigt aussergewöhnliches Investment
finews.ch
February 17, 2026Media
Pictet steigt in den Schweizer Treuhandmarkt ein – Partnerschaft mit Tretor | News | Aktuell
investrends.ch
May 28, 2020Media
Tretor AG, a fiduciary company in northwestern Switzerland, renews its management team
organisator.ch
May 28, 2020Media
Nordwestschweizer Treuhandunternehmen Tretor AG erneuert Geschäftsleitung
organisator.ch

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Location

Aeschenplatz 4
4052 Basel

At a glance

Legal form
Branch
UID
CHE-302.042.904
Founded
2016 · 10 years
Last commercial register change
July 6, 2021
Employees
11 to 20
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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