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Attorneys and Tax Advisors
Oliver Schreiber
Senior Legal Mandate Manager
lic. iur. MAS FH in Taxation / LL.M. Taxation

Oliver Schreiber specialises in providing tax advice to companies and their owners in a national and international context. He has many years of experience in reorganisations and restructurings of SMEs, succession projects, tax rulings, voluntary disclosures as well as challenging tax, post-tax and fine proceedings and advising wealthy private individuals. 

Mr Schreiber has extensive experience in structuring estates and acting as executor.


2023KSF Senior Client Manage
2014Budliger Treuhand AG (Senior tax and legal advisor)
2013MAS FH in Taxation / LL.M. International Taxation
2013Balmer Etienne (Tax advisor)
2010Cantonal Tax Office Zurich (Corporate Tax Specialist Staff)
2007Cantonal Tax Office Zurich (Tax Commissioner)
2002Cantonal Tax Office Zurich (legal secretary)

Conciliation authority in rental matters of the Canton of Zug

2001Legal internships          
1999Universität Bern (law degree)
1993Federal Matura
1990Diploma in office management
1988Certificate of competence for the plasterer and stuccoer profession


German, English

Professional groups

Private individuals
Entrepreneurs and legal entities
Legal and litigative representation before tax authorities and courts
Corporation law
Foundations, trusts, associations


«Die steuerliche Behandlung US-Amerikanischer LLC Gesellschaften im Steuerrecht der Schweiz» (Masterarbeit), 2013

Various other publications


+41 (0) 44 254 60 60

F +41 (0) 44 254 60 61


Künzli Sommer Frey AG

Mühlebachstrasse 20

CH-8008 Zürich