Sebastian is specialized in tax law, tax disputes and tax structuring. He has extensive experience in tax matters related to M&A and real estate transactions as well as complex domestic and cross-border corporate structure planning. He regularly represents clients in court proceedings before administrative courts in tax dispute matters. Sebastian also advises his clients in the field of company law and cooperative law. He has experience in drafting laws as he has acted as the secretary when the legislation regarding cross-border mergers was drafted.
CV
Career
- Avance Attorneys Ltd, Partner 2019–
- Taxpoint Attorneys Ltd, Partner (2014–2019)
- KPMG Finland, Partner (2007–2014)
- KPMG Finland, Tax Advisor, Manager, Senior Manager and Director (1998–2006)
- Helsinki Tax Office, Tax Official (1997–1998)
Education
- Master of Laws, University of Helsinki, 1995
Rankings
2023
“Sebastian Kellas proactively offers value-adding solutions to tax matters.”
Chambers Europe 2023
2023
Sebastian Kellas is ranked as ‘Highly Regarded’ in the Real estate and Transactional tax categories.
ITR World Tax 2023
2022
Sebastian Kellas is recognised as a Global Leader in Corporate Tax – Advisory.
Who’s Who Legal 2022
2022
Sebastian Kellas of Avance Attorneys is an experienced tax lawyer who handles both transactional and contentious tax matters. An impressed client describes him as a “structuring wizard.”
Chambers Europe 2022
2021
Sebastian Kellas is recognised as a Global Leader in Corporate Tax – Advisory.
Who’s Who Legal 2021