Best Lawyers in Ontario, Canada for Tax Law

Colin Smith is a partner in the Toronto office of Thorsteinssons LLP. Colin’s practice covers all income tax matters relating to domestic and foreign business ventures and administrative appeals to the Canada Revenue Agency. However, Colin has a particular focus on the taxation of private corporations and estate planning for high net-worth clients. Colin is a frequent lecturer and contributor to various tax publications. Colin has published various articles in the Federated Press’...

Florence Sauve is a partner in the Toronto office of Thorsteinssons LLP. Florence’s practice focuses on all aspects of taxpayer representation. She assists her clients in managing and resolving tax audit and appeal disputes and represents her clients before the courts. Florence has extensive experience in making representations to the federal and provincial tax authorities and successfully negotiating out of court settlements. She is currently working on a number of audits and appeals d...

A partner in Fasken's Toronto office, Timothy Fitzsimmons brings extensive experience in Canadian and international income tax and commodity tax, with areas of focus in audit defence, objections, litigation, appeals and dispute resolution. His practice supports a variety of industries including financial services, cryptocurrency, real estate, aviation, natural resources, transportation, health care, communications and manufacturing. Timothy helps clients identify and manage domestic and globa...

Greg Kanargelidis has more than 30 years of experience practicing in the areas of customs, international trade, and commodity tax law. In 2022 Greg opened his own law practice after a rewarding career at a large full-service firm based in Toronto, Ontario, the last 26 years as a partner and head of the firm’s International Trade Group. Greg is recognized as one of the leading international trade and customs lawyers in Canada and the world. Greg has extensive experience representing Cana...

D’Arcy's area of practice includes ESG/Carbon and GST/HST/QST/PST transactional work, planning, opinions, and dispute resolution, with a particular emphasis on Financial Services and Cross-Border transactions. D’Arcy has acted as counsel on numerous high profile tax litigation matters, including appearances before the Tax Court of Canada and the Federal Court of Appeal. D’Arcy is currently the Chair of the CRA Liaison Committee for the Commodity Tax, Customs, and Trade Secti...

Barry Segal is a tax lawyer in our Toronto office. He has a diverse tax practice that includes public and private M&A, debt restructurings, corporate finance, corporate reorganizations, structuring private equity investments, advising domestic and cross-border investment funds, and international tax planning for Canadian and foreign corporations. Barry also acts as counsel on federal and provincial tax audits and appeals.

Kay Leung is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Tax Law and Trusts and Estates. Kay, who practices law in Toronto, Ontario, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kay is held by other top lawyers in the same geographic and legal practice area.

Brian Cohen is a partner and lawyer in Gowling WLG’s global Private Client Services Group. Based in Toronto, he assists clients in the areas of estate planning, trusts and personal taxation, with a focus on advising high net worth individuals on succession planning alternatives. Brian also advises donors, charitable organizations, public and private foundations, and not-for-profit organizations regarding the tax implications of formation, registration, governance and planned giving stra...

Kevin Yip has a broad income tax practice focusing on all aspects of domestic and international tax planning, corporate reorganizations, and mergers and acquisitions. Kevin also regularly assists clients in transfer pricing, real estate transactions, corporate financing and executive compensation plans. Kevin regularly advises clients on cross-border transactions and has experience advising investment funds, banks, insurance companies, and technology companies structure investments into Canad...

Jenny P. Mboutsiadis is a seasoned tax litigator with over two decades of trial experience as lead counsel. She has extensive successful experience arguing tax cases in the Tax Court of Canada, the Ontario Superior Court of Justice, the Federal Court, and the Federal Court of Appeal. Jenny provides clients with exceptional knowledge on resolving tax disputes with Canadian tax authorities, from the start of a tax audit to trial. Her practice focuses on corporate tax matters, including transfer...

Kyle is a partner practicing in the firm’s Toronto office. Kyle’s practice focuses on Canadian tax planning for businesses, individuals, and trusts, with a particular emphasis on owner-managed businesses, cross-border issues, high net worth families, and professionals. He advises on all aspects of domestic and international tax law, including corporate structuring and reorganizations, private wealth and estate planning, business succession planning, immigration/emigration, purchas...

Christopher Steeves is the Leader of the firm’s Tax group. Frequently advising Canadian businesses in corporate restructurings and acquisitions, Christopher also assists with income tax aspects of complex domestic and cross-border financings, and financial instruments including derivatives, securities lending and collective investment funds. With expertise in transfer pricing and the resolution of disputes with Canadian tax authorities, Christopher has worked with clients and advisors o...

Alex's practice focuses on Canadian tax issues that affect multinationals with operations in Canada, including international tax planning (inbound structuring, transfer pricing, foreign affiliate taxation, cross-border employee mobility, withholding tax, tax treaty issues), M&A, reorganizations and financings. Alex is both a lawyer and a Chartered Professional Accountant. Alex advises clients in the digital economy, infrastructure, resource, healthcare, consumer product and retail spaces....

Jim is the Managing partner of Thorsteinssons LLP and practices in the firm’s Toronto office. Jim’s practice includes both domestic and international corporate and personal tax planning, private corporations, trusts and estates. Jim also represents clients during audits and appeals with the Canada Revenue Agency. Jim is a member of the Society of Trust and Estate Practitioners (STEP) and the Canadian Tax Foundation. He is a member of and Past-Chair of the Taxation Section of the O...

Corina Weigl is Co-Leader of the Private Client Service group. Her practice is focused on estate and family business succession planning. She develops customized strategies for wills, trusts, and tools designed to protect a client's property, such as domestic contracts, Corina leverages legal and tax regimes to protect multi-jurisdictional property and family interests. She is also active in the Firm, having recently held the positions of Chair of the Firm’s Professional Development Com...

Paul S. Carenza is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Paul S., who practices law in Toronto, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Paul S. is held by other top lawyers in the same geographic and legal practice area.