Mark Patterson

Principal, CPA, CGA

Mark has over 20 years of experience specializing in U.S. and cross-border tax issues. He provides U.S. and cross-border tax advice and return preparation services to a wide range of clients that include business owners, professionals, entertainers, athletes and retirees.

Mark’s areas of expertise include U.S. tax rules that impact business owners or incorporated professionals in Canada, business structures that maximize tax benefits for entertainers and athletes, ownership methods for holding U.S. real estate, U.S. estate and gift tax and U.S. expatriation rules and their impact on taxpayers renouncing U.S. citizenship. Mark also has extensive experience advising employers and employees on the issues associated with cross border employment activity, including tax, payroll and compensation matters.

Client types

Private Enterprise


Canadian Tax
International Tax
U.S. Tax
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