Best Lawyers in Ontario, Canada for Tax Law

Matthew Williams is a partner and practices in the firm’s Toronto office. Matthew’s practice focuses on all aspects of taxpayer representation. He has appeared before the Tax Court of Canada, the Federal Court of Canada, the Federal Court of Appeal, the Ontario Superior Court and the Supreme Court of Canada on a wide range of issues. Matthew has extensive experience dealing with Canada’s general anti-avoidance rule (GAAR) in both domestic and international contexts having su...

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...

M. Elena Hoffstein, FEA, has a practice focused in all areas of estate planning, family business succession planning, corporate reorganization both pre and post mortem planning. She also advises on cross border and international matters, will, trusts and marriage contracts. Elena is also a recognized leader in charity law advising both charities and donors on effective legislative, tax and regulatory matters and on tax effective charitable gifting. Elena frequently advises clients on family b...

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.

John Campbell practises taxation law, advising clients on domestic and international income tax issues, with a focus on advising Canadian clients with international interests and non-Canadian clients with Canadian interests. John has extensive experience with respect to the tax implications and structuring of corporate reorganizations, mergers and acquisitions, international tax planning and tax planning using trusts. He provides his clients with effective, practical tax advice based on his e...

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.

Pamela is a tax partner who focuses her practice on taxation, estate and trust planning, tax dispute resolution and voluntary disclosures of unpaid taxes. She regularly advises individuals and family enterprises on estate planning, including complex situations involving multi-jurisdictional assets or beneficiaries, philanthropy and gift planning. Pamela also advises both Canadian and international clients on taxation issues relating to establishing and operating business and investment struct...

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.

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...

Known for her strategic approach, honed advocacy skills, and breadth of tax knowledge, Becky Potter is a highly sought-after tax litigation partner at Thorsteinssons LLP. She has successfully represented her clients at every level of court both provincially and federally, including a landmark win at the Supreme Court of Canada. In addition to her in-court experience, she has extensive out-of-court experience negotiating favourable settlements for her clients. Becky is an active member of the ...

Adrienne Oliver’s practice involves all aspects of tax planning and implementation, primarily in the corporate tax field. She has participated in structuring major public and private transactions, reorganizations and financings, and has also acquired significant experience in international tax planning and public capital market transactions. Ms. Oliver has acted for clients in a diverse range of industries, including some of Canada’s most respected corporations. She has recently a...

Robert Martini is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law and Trusts and Estates . Robert, who practices law in Markham, Ontario, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert is held by other top lawyers in the same geographic and legal practice area.

Biography Emmanuel Sala is a partner in Baker McKenzie's North American Tax Practice Group in Toronto. He has broad experience advising Canadian and foreign companies on complex domestic and international tax matters with respect to mergers, tax reorganizations, financing transactions and acquisitions. He also represents taxpayers at all stages of tax disputes with the Canadian tax authorities. Since 2012, Emmanuel has been teaching at the Master of Laws (taxation) program jointly sponsored b...

Paul Casuccio is the Leader of the firm’s Global Commodity Tax & VAT practice group. He works exclusively in this area, providing practical solutions to client’s indirect tax questions, issues, problems and structures. Paul is a sought after expert in Canada's goods and services tax and harmonized sales tax (GST/HST), provincial sales taxes, employer health tax, land transfer taxes, as well as fuel, carbon, alcohol, tobacco and other indirect taxes. Assisting clients with indi...

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...

Marie-Eve Heming is a partner and practices in the firm’s Toronto office. Her practice encompasses all aspects of personal and corporate tax planning for a wide variety of clients, including private corporations and their owner-managers, public corporations, trusts, professionals, executives and high-net worth individuals, with a particular emphasis on corporate reorganizations, the structuring of investments and businesses, estate planning, business successions and immigration and emig...