Thomas M. Fisler

lic. iur., Certified Tax Expert
Senior Manager
Direct +41 44 289 25 72



Areas of responsibility

  • Tax structuring for domestic and international companies or groups of companies
  • Domestic and international tax planning for private clients
  • Tax returns
  • Tax audit for domestic companies of international corporate groups
  • Value added tax (VAT)
  • Lead tax appeal procedures, tax investigations and penalties


  • Member of EXPERTsuisse – Swiss specialist association for auditing, taxes and fiduciary

Academic/professional background

  • Certified Tax Expert (2016)
  • lic. iur. (2010)


  • Since 2017 with Treuco
  • Tax expert in a fiduciary firm (2013-2017)
  • Tax advisor in a Big Four consulting and audit firm (2010-2013)