Clyde Seymour

Overview

Clyde Seymour is a Principal in Ryan’s Mississauga office, where he provides comprehensive international tax advisory services to mid-market and multinational organizations. He specializes in cross-border tax issues and hybrid structures, mergers and acquisitions, tax treaty application, partnership and trust structures, transfer pricing, research and development incentives, sales tax, and both Canadian and U.S. corporate and personal tax compliance.

With more than 20 years of international tax experience across the public and private sectors, Clyde brings a broad, integrated perspective to complex global tax matters. His work spans multiple industries and includes advising Fortune 500 multinational corporations as well as mid-market companies. Clyde is known for delivering coordinated, practical solutions across income tax, value-added tax, global transfer pricing, valuation, and customs, helping clients navigate complex regulatory environments with confidence and clarity.

Education and Qualifications

Master of Accounting, Taxation, University of Waterloo

Bachelor of Arts, Accounting, University of Waterloo

Canadian Institute of Chartered Accountants In-Depth Tax Program

Experience and Achievements

Principal, International Tax, Ryan, Mississauga Office

• Advises clients on cross-border structuring, compliance, and multinational tax strategy

• Delivers integrated international tax solutions across multiple jurisdictions

Director, Tax and Finance Services, national consulting firm

Vice President, Taxation, national hospitality firm

Senior Manager, Taxation, big four accounting firm