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Audit Financial Services
More security, more trust: Audit services for banks and other financial companies
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Audit Industry, Services, Institutions
More security, more trust: Audit services for national and international business clients
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Corporate Tax
National and international tax consulting and planning
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Individual Tax
Individual Tax
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Indirect Tax/VAT
Our services in the area of value-added tax
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Transfer Pricing
Our transfer pricing services.
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M&A Tax
Advice throughout the transaction and deal cycle
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Tax Financial Services
Our tax services for financial service providers.
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Financial Services
Consultancy services that generate real added value for financial service providers.
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Advisory IT & Digitalisation
Generating security with IT.
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Forensic Services
Nowadays, the investigation of criminal offences in companies increasingly involves digital data and entire IT systems.
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Regulatory & Compliance Financial Services
Advisory services in the area of financial market law.
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Transaction Services / Merger & Acquisition
Successfully handling transactions with good advice.
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Legal Services
Experts in commercial law.
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Trust Services
We are there for you.
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Business Risk Services
Sustainable growth for your company.
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Abacus
Grant Thornton Switzerland Liechtenstein has been an official sales partner of Abacus Business Software since 2020.
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Accounting Services
We keep accounts for you.
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Payroll Services
Leave your payroll accounting to us.
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Real Estate Management
Leave the management of your real estate to us.
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Apprentices
Career with an apprenticeship?!
Thomas Wirth is Head of the Service Line Audit Financial Services of Grant Thornton in Switzerland.
Professional experience
Thomas Wirth worked for several years as a foreign exchange dealer with a major Swiss bank. This was followed by six years at a Big 4 company where he worked as a bank auditor. He has worked for Grant Thornton since 2005 and has been a partner and auditor with responsibility for banks, securities dealers and collective capital investments since 2006.
Professional qualifications and memberships
Thomas Wirth is a certified accountant and holds a Bachelor in Business Administration (BBA). He is an auditing expert recognised by the Swiss Federal Audit Oversight Authority (FAOA) and a registered accountant in Liechtenstein. In addition, he holds specialist law licences for the auditing of banks and securities dealers, collective capital investments, asset managers of collective capital investments and representatives of foreign collective capital in-vestments.
Thomas Wirth is a member of the Expert Committee for Collective Capital Investments at EXPERTsuisse.
Languages
In addition to his mother tongue German, Thomas Wirth speaks fluent French and English.
- certified accountant
- Bachelor of Business Administration
- auditing expert