Best Lawyers in Canada for Tax Law

Pierre-Marc Seers is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Pierre-Marc, who practices law in Montréal, Quebec, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Pierre-Marc is held by other top lawyers in the same geographic and legal practice area.

Laurence Grenier-Laroche joined BCF as a law student during the summer of 2017, and is currently a member of our taxation team in Montreal. She completed her articling for the Barreau du Québec in July 2019, and has been working as a lawyer ever since. Laurence mainly practises tax law, more specifically in the fields of tax and succession planning, corporate reorganisation, and business transfers. She is also interested in taxation as far as it relates to charitable organisations.

Audrey Pelletier is a member of the Business Law group and her practice is focused on tax controversy and tax litigation. Prior to joining Lavery, Audrey Pelletier practised law with a boutique law firm specialized in tax litigation. Prior to that, she worked in an international accounting firm in tax litigation and tax planning, allowing her to diversify her practice and develop a critical approach to taxation. Her practice covers all aspects of tax litigation, including negotiating out-of-c...

Cadie Yiu is an associate practicing in the firm’s Toronto office. Cadie advises on all aspects of domestic and international tax planning, corporate reorganizations, mergers and acquisitions, and trust and estate planning for individuals and families. She also advises clients on tax disputes with the Canada Revenue Agency. Prior to joining Thorsteinssons, Cadie practiced with the tax group of a national law firm.

Aicha is a Partner in the Tax Controversy and Litigation practice of Deloitte Legal Canada LLP. Aicha practices tax law with a focus on tax litigation and tax controversy, from the audit and objection stages to tax appeals and judicial reviews before the courts. She regularly assists clients in resolving tax disputes, both in and out of Court, and engages in managing complex tax audits. Aicha has successfully represented clients in a wide variety of domestic and international tax disputes inv...

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

Alexandra Auger is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Alexandra, who practices law in Montréal, Quebec, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alexandra is held by other top lawyers in the same geographic and legal practice area.

Trevor’s practice involves advising individuals and companies on corporate and tax matters – including mergers and acquisitions, corporate reorganizations, individual tax planning and dispute resolution. Trevor earned his Juris Doctor from the University of British Columbia and his Honors Business Administration degree from Western University. Trevor is also a chartered professional accountant.

Michael Ding is an Associate in the Tax Group at WeirFoulds LLP with a practice that focuses on various areas of domestic and international taxation planning, advice, and dispute resolution. Prior to joining WeirFoulds, Michael practised as Counsel at the Department of Justice Canada, representing the Crown before the Tax Court of Canada, Federal Court of Canada, Ontario Superior Court of Justice and the Court of Appeal for Ontario. Michael has experience in advising on various tax and disput...

Kate Amirault is a partner practicing in the firm’s Toronto office. Kate advises clients in all areas of income tax law, including corporate reorganizations and restructurings, mergers and acquisitions, cross-border structures and executive compensation. Kate also practises in the areas of personal taxation, estate planning and trust taxation for individuals and families. Prior to joining Thorsteinssons, Kate worked at a national law firm.

Lisa-Marie Gauthier is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Lisa-Marie, who practices law in Montréal, Quebec, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lisa-Marie is held by other top lawyers in the same geographic and legal practice area.

Igor is recognized for his expertise and strategic acumen in tax litigation. Prior to Taxpayer Law, Igor was a partner at a prominent Bay Street firm in Toronto. In 2023, Igor transitioned from his role at a large firm to lead Taxpayer Law. After being called to the Bar in Ontario in 2014, Igor dedicated himself to the niche field of tax disputes. He approaches tax litigation like a competitive sport, strategizing and navigating through the intricacies of the law. Igor’s commitment to t...

Gloria is a partner practicing in the firm’s Toronto office. Gloria’s practice includes corporate tax advisory, tax planning for individuals and trusts, business structuring, and tax dispute resolution. She is fluent in Cantonese and Mandarin Chinese. Prior to joining Thorsteinssons, Gloria was a summer and articling student at an international law firm.

Chris Johnston is a tax lawyer with a broad tax practice that includes personal and corporate tax planning. He has experience advising clients on tax-effective corporate structuring, reorganizations, business succession planning, as well as inter vivos and post-mortem estate planning. He also advises on transactional tax planning and international tax matters.

Mareine Gervais Cloutier practises tax litigation with the Montreal office and is also a CPA Auditor. She is interested in all aspects of tax litigation as well as disputes in connection with fraud, securities and financial crime. Over the past few years, Ms. Gervais Cloutier has represented clients in litigated matters that resulted in out-of-court settlements or decisions. Her areas of expertise include income tax, tax collection measures, protection of information and various aspects of fi...

Hiva is an associate lawyer in Fasken's Vancouver office, practicing in the Wills and Estate Group. Hiva's experience includes: preparation of wills, testamentary trust agreements, powers of attorney, and representation agreements; preparation of alter ego, joint partner, and disability trusts; preparation of family agreements (pre-nuptial and cohabitation agreements); estate administration services, including application to obtain grant of probate or administration; and providing legal advic...