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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,194 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesHerisauPROTAX Treuhand & Steuerberatungen AG
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PROTAX Treuhand & Steuerberatungen AG

Summary

About the company

PROTAX Treuhand & Steuerberatungen AG provides fiduciary, tax advisory and accounting services. The company also supports business consulting, company valuation, financial planning and the digitalisation of administrative processes.

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Products & services

Industry:Fiduciary Offices
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✓ Offered4
Fiduciary
Fiduciary services for accounting and bookkeeping, company valuation, HR administration, financial planning and budgeting, as well as an external CFO.
Tax advisory
Tax advisory and tax planning for legal entities and individuals, tax returns, refund claims for withholding taxes, optimisations and analysis of the tax situation.
Business consulting
Company formation and restructuring, mergers, restructuring and liquidation, company valuation, business plan, succession arrangements, as well as negotiation support for the purchase and sale of companies.
Digital fiduciary and administration solutions
Digitisation of administration and digital business processes, online tax return, and support with Kendox, Topal and AnyDesk.

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Location

Platz 6
9100 Herisau
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.830.905
Founded
1996 · 30 years
Last commercial register change
August 27, 2026
Employees
1 to 10

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