Graeme A. Hamilton

Partner and National Co-Chair, Investigations and White Collar Defence Group

[email protected]

Graeme is widely recognized as one of Canada's leading white collar criminal defence lawyers. He is a very experienced trial and appellate advocate who provides skilled representation in high-stakes litigation and investigations.

Described in Chambers Canada as “both a technician and a strategist" who has “an impressive courtroom pedigree," Graeme acts for companies and individuals facing a range of challenging and sensitive compliance issues, including allegations of bribery, money laundering, fraud, Securities Act violations, Competition Act violations, sanctions violations, tax evasion, environmental crimes and serious occupational health and safety offences.

Graeme has been counsel in several of the most notable white collar and regulatory investigations and prosecutions in recent Canadian history, including the successful defence of one of the accused in the landmark bribery prosecution R. v. Barra, major domestic and international cartel investigations, and multiple high-profile Ontario Securities Commission investigations and enforcement actions. Graeme is also frequently retained by companies to conduct internal investigations and instructed in related civil litigation.

Graeme taught Trial Advocacy at the University of Toronto Faculty of Law for several years. He also previously taught Evidence at Osgoode Hall Law School as an adjunct professor. In addition, Graeme has testified as an expert witness on criminal and constitutional law issues before the Senate Standing Committee on Legal and Constitutional Affairs on multiple occasions.



  • Counsel to leading cryptocurrency exchange in Ontario Securities Commission investigation.
  • Counsel to leading cryptocurrency exchange in court application concerning seizure of alleged proceeds of crime.
  • Acted in several Competition Bureau investigations regarding alleged price-fixing and misleading advertising.
  • Successful defence of multinational aerospace company facing charges in relation to a workplace critical injury.
  • Counsel to audit committee of a public company in internal investigation into certain related-party transactions.
  • R. v. Barra – successful defence of an individual prosecuted under the Corruption of Foreign Public Officials Act in landmark bribery prosecution.
  • Counsel to a multinational company in an investigation by the Office of the Integrity Commissioner of Ontario into alleged violations of the Lobbyists Registration Act.
  • Ontario (Attorney General) v. Bogaerts - counsel to the Canadian Civil Liberties Association as intervener in a section 7 challenge to animal welfare legislation.
  • Counsel to an individual in a high profile investigation for alleged tax evasion arising out of the Panama Papers.
  • Counsel to special committee of the board of directors of a public company in internal investigation into various allegations made by former executive.
  • Counsel to a large public company in an investigation for alleged contraventions of the Canadian Environmental Protection Act.
  • In the Matter of Home Capital Group Inc. et al. - acted for the former CFO of Home Capital Group in Ontario Securities Commission enforcement proceedings and related class action proceedings.

Beyond our Walls

Professional Involvement

  • Member, Advocates' Society
  • Member, Criminal Lawyers' Association
  • Member, American Bar Association, Criminal Justice Section
  • Member, International Bar Association
  • Teaching Advisor, Trial Advocacy, University of Toronto Faculty of Law, 2018-2021

Awards & Recognitions

  • Recognized in the 2023 edition (and since 2020) of Chambers Canada – Canada's Leading Lawyers for Business (White-Collar Crime & Government Investigations - Nationwide).
  • Recognized in the 2023 (and since 2021) edition of Benchmark Canada – The Definitive Guide to Canada's Leading Litigation Firms & Attorneys as a Litigation Star.
  • Recognized in the 2022 edition of Who's Who Legal: Canada (Business Crime Defence)
  • Recognized in the 2022 edition of Who's Who Legal: Global (Business Crime Defence)
  • Recognized in the 2020 edition (and since 2018) of the Benchmark Canada 40 and Under Hotlist.
  • Recognized in the 2020 edition (and since 2018) of Benchmark Canada - The Definitive Guide to Canada's Leading Litigation Firms & Attorneys as a Future Star.

Bar Admission & Education

  • Ontario, 2009
  • LLM, Harvard Law School, 2010
  • JD, University of Toronto, 2008
  • MA in Economics, University of Toronto, 2008
  • BSc in Mathematics and Engineering, Queen's University, 2003