Title : Lawyer, Partner Year of call : 1998

Expertise : business law | taxation

Hotline: 438 943-2031

Katia Sebastiani is a tax generalist who counsels a wide range of clients on all aspects of tax law, including tax planning, estate and will planning, corporate reorganization, and sales and acquisition planning. She also represents taxpayers in disputes with the various tax authorities over their assessments. In addition to her work in taxation, she has acquired considerable experience in corporate and commercial law and is frequently called on to advise on business transactions and draft and negotiate agreements of all kinds.


  • Taxation (trusts, transaction taxes, wealth management, tax, financial, and estate planning, tax reorganizations)
  • Business law (agriculture and agrifood law, commercial law, corporate law, trusts, mergers and acquisitions, nonprofit organizations, estate planning)


  • Specialized postgraduate diploma in taxation, Université de Montréal (1999)
  • LL.B., Université de Montréal (1996)

Professional experience

  • Cain Lamarre, Montreal (2005 to present)
  • Adessky Poulin, Montreal
  • Ménard Mageau Valiquette, Montreal
  • Boggia et Associés, Montreal

Lecturing, conferences, publications

  • Various lectures on tax law to APFF (Association de planification fiscale et financière)
  • Articles on tax law in the journal of the APFF

Associations, committees, boards

  • Chair, Ombrie regional association
  • Member, Animal Rights Committee, Neurochem Inc. (biotech research firm)


  • Award of excellence in law studies, Université de Montréal
  • Governor General of Canada Bronze Medal Award