Sylvain Thibeault

Principal, Sales and Use TaxIndirect Tax

Montreal

Office

Montreal
1000 Sherbrooke Street West
Suite 1500
Montreal, QC H3A 3G4
514.284.3338

Expertise

Indirect Tax

Overview

Sylvain Thibeault is a Principal in Ryan’s Montreal office, where he specializes in providing sales and use tax consulting services to clients across a wide range of industries. He advises organizations on complex indirect tax matters using a tailored, client-specific approach designed to improve understanding of tax rules, minimize risk, and maximize recoveries. Sylvain also represents clients before tax authorities, guiding them through audits, disputes, and resolution processes.

With deep experience in indirect tax consulting and a strong academic background, Sylvain brings a rigorous and practical perspective to client service. In addition to his advisory work, he serves as Lead of the Graduate Microprogram in Commodity Taxes and as a Lecturer at Université de Sherbrooke. Sylvain is a frequent speaker for Ryan clients and professional organizations and has authored numerous technical publications, including co-authoring a reference guide on the application of the goods and service tax (GST) and Quebec sales tax (QST) for public health and social services institutions in the Province of Quebec. His work reflects a strong commitment to technical excellence, education, and thought leadership in Canadian commodity taxation.

Education and Qualifications

Master of Taxation, École de gestion, Université de Sherbrooke

Bachelor of Laws, Université Laval

Experience and Achievements

Principal, Indirect Tax, Ryan, Montreal office

  • Advises clients on sales tax compliance, planning, and dispute resolution

  • Represents clients before tax authorities

Lead, Graduate Microprogram in Commodity Taxes, École de gestion, Université de Sherbrooke

Lecturer, École de gestion, Université de Sherbrooke

Partner, Indirect Tax, national accounting firm

Senior Manager, Indirect Tax, national accounting firm

Manager, Indirect Tax, national accounting firm

Member, Association de planification fiscale et financière

Member, Barreau du Québec (Quebec’s bar association)

Member, Canadian Bar Association