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DirectoryFinance & InsuranceFiduciary OfficesOltenTRESO Treuhand AG
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TRESO Treuhand AG

Summary

About the company

The core activity of TRESO Treuhand AG is the provision of services in the fields of trust, accounting, and taxation, as well as auditing. Specifically, this includes: trust services, including merger and acquisition consulting, inheritance law and estate administration, company formation, purchase and sale, and succession planning; tax consulting, both nationally and internationally, withholding tax declarations, VAT consulting and declarations, as well as VAT representation for foreign companies; accounting services, including payroll and personnel administration, outsourcing of accounting, and consulting on financial statement preparation; and auditing, including annual financial statement audits, voluntary audits, special audits, and formation/conversion audits.

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Industry:Fiduciary Offices
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✓ Offered4
Trust services
Advice on closings, inheritance law and executorships, company formation as well as purchase and sale of companies, succession arrangements.
Audits
Audit of annual financial statements, voluntary audits, special audits as well as formation and conversion audits.
Tax services
Tax advice national and international, withholding tax declarations, VAT advice and VAT declarations, VAT representation and fiscal representation.
Accounting services
Personnel administration and payroll accounting, outsourcing of accounting, advice on preparing the financial statements, online bookkeeping with AbaWeb.

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Location

Dornacherstrasse 27
4600 Olten

At a glance

Legal form
Corporation
UID
CHE-106.728.075
Founded
1990 · 36 years
Last commercial register change
January 26, 2026
Employees
11 to 20

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