MBA, CA (Ontario), CPA (Ontario),
CPA (Illinois & Florida)
Mark attended the University of Western Ontario, School of Business Administration, in London, Ontario, Canada where he obtained an undergraduate degree in Business Administration. Then moving back to his family home of Toronto, Ontario, he attended the Graduate School of Business Administration at York University, where he obtained a Masters degree in Business Administration, and concurrently qualified as a Chartered Professional Accountant, in the Province of Ontario. After eighteen years of public practice, Mark qualified as a Certified Public Accountant, and is licensed to practice in the State of Illinois and the State of Florida.
Starting his public accounting career in the tax department of a major global firm and gaining experience in international taxation, Mark has been a sole practitioner and partner in several firms to date, specializing in taxation – specifically in the international forum.
While currently living in Florida, Mark is the founding partner of Serbinski Partners PC, Chartered Professional Accountants in Toronto, and a principal in the firm of Serbinski Accounting Firms, PC, Certified Public Accountants in Chicago, Illinois. Additionally, Mark is a licensed CPA in Florida, and a member of the Florida Institute of Certified Public Accountants.
Memberships:
United States Memberships & Designations:
American Institute of Certified Public Accountants (AICPA)
Member, Illinois CPA Society
Member of the Florida Institute of Certified Public Accountants (FICPA)
Licensed to practice before the Internal Revenue Service
Licensed public accountant in the State of Illinois
Licensed public accountant in the State of Florida
Canadian Memberships & Designations:
Chartered Professional Accountants - Canada - (formerly known as the Canadian Institute of Chartered Accountants)
Testimonials
Thx Mark and it’s great to be working with you and your team again this year. We really appreciate your knowledge and guidance as we navigate the Canadian and US tax system over the last couple years. You and your team are our go trusted accountants and we appreciate all that you do.
EH, St Petersburg, FL, 3/6/2026
I'm relieved that my taxes for this year are done. I appreciate you doing my returns very expeditiously.
FA, Stratford, ON, 3/6/2026
I do want to make sure to say I've had an extremely positive experience. International taxes are extremely complicated, especially given my unstructured investment portfolio, and I would not know where to begin. The help (especially with my mother's final taxes) has been greatly appreciated.
JJ, Orleans, ON, 3/6/2026
Thank you for being so clear! Again, thank you for your patience :)
AN, Buffalo, NY, 3/5/2026
Again, thank you so much for your diligence on all of this, really appreciated!!!!
MH, Montreal, QC, 2/28/2026
Thx Mark and it’s great to be working with you and your team again this year. We really appreciate your knowledge and guidance as we navigate the Canadian and US tax system over the last couple years. You and your team are our go trusted accountants and we appreciate all that you do.
EH, St Petersburg, FL, 3/6/2026
I'm relieved that my taxes for this year are done. I appreciate you doing my returns very expeditiously.
FA, Stratford, ON, 3/6/2026
I do want to make sure to say I've had an extremely positive experience. International taxes are extremely complicated, especially given my unstructured investment portfolio, and I would not know where to begin. The help (especially with my mother's final taxes) has been greatly appreciated.
JJ, Orleans, ON, 3/6/2026
Thank you for being so clear! Again, thank you for your patience :)
AN, Buffalo, NY, 3/5/2026
Again, thank you so much for your diligence on all of this, really appreciated!!!!
MH, Montreal, QC, 2/28/2026
Thx Mark and it’s great to be working with you and your team again this year. We really appreciate your knowledge and guidance as we navigate the Canadian and US tax system over the last couple years. You and your team are our go trusted accountants and we appreciate all that you do.
EH, St Petersburg, FL, 3/6/2026
I'm relieved that my taxes for this year are done. I appreciate you doing my returns very expeditiously.