Your partner for sustainable tax planning

Whether as private client, executive, family office, small or large enterprise or entrepreneur with privately held companies, we advise you holostically and competently. As Certified Tax Experts with many years of professional experience in legal firms, tax authorities and the «Big Four», we find solutions tailored to your needs. Our consulting approach is holistic – we think «out of the box». In addition, we like to pass on our knowledge. In various training courses we train future tax experts and specialists.

Nathanael Frischkopf

Nathanael Frischkopf has a bachelor’s degree in law from the University of St. Gallen and is a Certified Tax Expert. He has worked for over 15 years in taxes and, in addition to ten years’ experience in consulting, he contributes valuable know-how from his work with the tax authorities. His focus is on advising national and international entrepreneurs and companies, family offices and individuals.

nathanael.frischkopf@xplena.com
+41 79 874 99 99
CV Download

vCard

Simone Moser

Simone Moser studied law and economics at the University of St.Gallen (MA HSG in Law and Economics) and is a Certified Tax Expert. For more than ten years she has advised individuals, entrepreneurs, executives and family offices on tax matters. Prior to the foundation of xplena she was an advisor in a legal firm and in the Private Wealth & Entrepreneurs Team of one of the «Big Four».

simone.moser@xplena.com
+41 79 743 17 05
CV Download

vCard

Michael Zuber

Michael Zuber holds a Bachelor of Business Administration UAS and is a Certified Tax Expert with a CAS in individual taxation. He gained his first experience in the field of taxes with the tax authorities. He then worked for over 12 years with a “Big Four” as Co-Leader Global Mobility, where he specialized in international HR and tax consulting for international employees and Senior Executives.

michael.zuber@xplena.com
+41 79 692 54 29
CV Download

vCard

Simona Cathomen

Simona Cathomen studied economics at the University of Zurich and holds a federal diploma as a tax expert. She has been working in tax consulting for around ten years and mainly advises entrepreneurs and their privately held companies as well as executives, private clients and family offices. In addition, she is also a lecturer for the EXPERTSuisse diploma course for Tax Experts.

simona.cathomen@xplena.com
+41 79 565 55 17
CV Download

vCard

Helga Kadar

Helga Kadar studied economics at the University of Zurich and holds a federal diploma finance and accounting. The first time she worked in the tax field, she was with a “Big Four”. In the last eight years she gained a lot of experience in the field of fiduciary services and real estate accounting. Her focus is on providing accounting and tax advice to individuals and legal entities.

helga.kadar@xplena.com
+41 78 709 15 03
CV Download

vCard