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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint742,806 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesLiestalTRETOR AG
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TRETOR AG

Summary

About the company

TRETOR AG provides fiduciary, audit, tax and business consulting services, including accounting and payroll administration. The firm also offers international audit, tax and payroll services and consulting for SMEs, start-ups and non-profit organisations.

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Products & services

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Fiduciary Offices
✓ Offered4
Fiduciary services
Bookkeeping and payroll administration; professional, on-time support in accordance with statutory regulations for companies.
Taxes and levies
Tax advice for businesses and individuals, as well as VAT consulting to avoid tax traps and to optimise taxes and levies.
Auditing
Audits and expert assessments for an independent evaluation of business results, focused on trust and transparency.
Business consulting
Controlling, financing, start-ups, human resources management, interim management, succession planning, company valuations and board mandates.
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
September 10, 2021Media
Startups hereinspaziert: Business Parc Liestal offiziell eröffnet
primenews.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

Industriestrasse 7
4410 Liestal

At a glance

Legal form
Corporation
UID
CHE-108.227.200
Founded
1995 · 31 years
Last commercial register change
March 23, 2026
Employees
21 to 50

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