About Igor
Igor Kastelyanets: Strategic Tax Litigator in Toronto, Ontario, Canada
As a recognized expert in tax litigation, Igor is known for his strategic acumen and thorough understanding of complex legal matters. He previously served as a partner at a prominent Bay Street firm in Toronto before transitioning to lead Taxpayer Law. Having been called to the Bar in Ontario in 2014, Igor has dedicated himself solely to the field of tax disputes.
Practice Areas
- Tax Litigation
Igor’s approach to tax litigation is likened to a competitive sport. He meticulously strategizes and navigates through the intricate details of the law, bringing rigorous legal tactics alongside a commitment to practical, successful outcomes for his clients.
Awards
- Recognized in Ones to Watch since 2026
Igor’s expertise has earned him the trust and respect of many accountants, lawyers, and other professionals who frequently seek his counsel on complex tax matters. His professional philosophy emphasizes achieving practical solutions within a legal framework.
Education & Credentials
- Universities: University of Western Ontario, University of Toronto
- Educations:
- Bachelor of Laws (LL.B.) from the University of Toronto, 2014
- Bar Admissions: Ontario, Canada
- Awards:
- Recognized in Ones to Watch since 2026
Firms
- Taxpayer Law, Toronto, Ontario, Canada
Affiliations
- Trustee of the Tax Dispute Resolution Committee
In addition to his extensive legal practice, Igor is involved in various professional organizations and committees. His commitment to advancing tax law continues to be recognized through his role in such roles.
Languages
- English
- French
Igor Kastelyanets provides unparalleled guidance and representation for individuals and businesses navigating the often convoluted landscape of tax law. With his strategic approach, Igor empowers clients to achieve their objectives while ensuring adherence to legal requirements.