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

Summary

About the company

The core activity of Stieger Treuhand AG is the provision of services in the areas of trust accounting, tax consulting, auditing, business consulting, legal consulting and real estate consulting, in particular for small and medium-sized enterprises from all industries.

AI-generated
Offering

Products & services

Industry:Fiduciary Offices
✓ Offered12
Accounting
Setting up and managing clients' accounting records, accounts receivable and accounts payable accounting, annual financial statements as well as reporting and interim accounts; including web-based and on-premises financial software solutions.
Tax consulting and planning
Tax advisory for natural and legal persons, direct taxes, value-added tax, withholding tax, tax audits, tax representation as well as objection, appeal and complaint proceedings.
Payroll administration
Monthly payroll processing, annual salary declarations, withholding tax, expense regulations as well as advice on employment law, social security and international payroll administration.
Auditing
Limited review, formation audit, audits of capital increases and capital reductions, liquidation and revaluation audits as well as audits under the Merger Act and in the context of an engagement.
Business consulting
Succession and restructuring, digitisation of accounting, business plan, purchase and sale of companies, company valuations, liquidation, turnaround, mergers and liquidity planning.
Legal advisory
Company formations and conversions, marriage contract, inheritance contract, will, advance directive for incapacity, division of the estate and execution of a will.
Real estate consulting
Tax advice for the sale of real estate, preparation of purchase agreements and notarial certification, management of condominium owners' associations and tenancy law.
Start-up support
Support for start-ups during the start-up phase, including choosing the legal form and registrations with social security authorities and for VAT.
External CFO / outsourcing
Taking over controlling and financial company management as an external CFO; outsourcing with deputy coverage and support in the event of vacancies or interim management.
Temporary staff
Provision of specialists as stand-in (springer) or temporary experts, for example as CFO or accountant in case of absences, vacancies or interim management.
ABACUS partner services
Consulting, installation, configuration and support for ABACUS modules such as financial accounting, payroll accounting, accounts receivable and accounts payable accounting, electronic banking, AbaScan, AbaClik and AbaWeb.
Independent proxy voting representative
Representation of shareholders' voting rights at general meetings for listed and also unlisted companies or cooperatives with the corresponding statutory basis.
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Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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Location

Neuhofstrasse 5
8645 Jona
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:30
Tue
08:00 - 12:00, 13:30 - 17:30
Wed
08:00 - 12:00, 13:30 - 17:30
Thu
08:00 - 12:00, 13:30 - 17:30
Fri
08:00 - 12:00, 13:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-112.635.068
Founded
2005 · 21 years
Last commercial register change
June 10, 2026
Employees
21 to 50

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