Atty. Joseph J. Markson

Atty. Joseph J. Markson

Joseph Markson ’s practice is directed to the defence of individual and corporate clients in criminal and regulatory litigation. His practice areas are criminal and regulatory law, tax evasion and white-collar crime, and the law of policing and professional discipline.

Call (416) 366-0050 Book Appointment

Profile Summary

About Joseph J. Markson at a glance

Joseph J. Markson is a criminal defense attorney, practicing at Markson Law Professional Corporation. Admitted to practice in Ontario, Ontario Bar Association. Educated at University of Cambridge Faculty of Law (LL.M, 1991) and Belfast (Queen's University) Law School (LL.B., 1989). Recognitions include Best Lawyers in America — Criminal Defence (2026).

Verified attorney profile · Updated June 2026

About

  • Joseph Markson’s practice is directed to the defence of individual and corporate clients in criminal and regulatory litigation
  • His practice areas are criminal and regulatory law, tax evasion and white-collar crime, and the law of policing and professional discipline
  • He has extensive experience successfully conducting criminal and quasi-criminal trials, regulatory and professional discipline hearings, appeals, advisory work, and witness representation
  • Joseph was selected by his peers for inclusion in The Best Lawyers in Canada 2020 for his work in Criminal Defence
  • He is a Fellow of the International Academy of Trial Lawyers, an organization of preeminent trial lawyers from the United States, Canada, and more than 30 countries
  • Fellowship in the Academy is by invitation only, and trial lawyers become Fellows only after a careful screening process, which includes both peer and judicial review
  • He is a former Director of The Advocates’ Society (2014-2018) and an Honorary Overseas Member of the Commercial Bar Association of England and Wales
  • Joseph is President and a Past-Scholar of The Harold G. Fox Education Fund
  • Joseph’s individual clients are professionals, first responders, and persons for whom a criminal or regulatory investigation, prosecution or conviction may jeopardize their employment, professional and personal reputations, and ability to travel
  • He advises and represents corporations, professional service firms, and their directors, officers, senior employees, and partners
  • Joseph is routinely retained to direct internal investigations and to navigate interactions with the police and investigative agencies where there is possible criminal or regulatory law exposure
  • He works with teams of counsel to solve the challenges posed by national and cross-border criminal and regulatory investigations and prosecutions
  • Joseph advises civil tax counsel and acts for clients under investigation for or charged with domestic and offshore tax evasion by the Canada Revenue Agency
  • Joseph brings to the practice his expertise as a federal prosecutor
  • Appointed in 1995, he is an Agent of the Public Prosecution Service of Canada
  • He has an extensive trial, jury trial, and search warrant and wiretap experience and has prosecuted numerous major complex cases involving organized crime, tax evasion, white-collar crime, proceeds of crime, regulatory, cross-border and Controlled Drugs and Substances Act offences
  • Joseph has extensive experience acting for police officers in investigations by the Ontario Special Investigations Unit and facing criminal and Police Services Act investigations and charges
  • He is counsel to the Ontario Provincial Police Association, police associations in the Greater Toronto Area and across Ontario, the Toronto Police Service Senior Officers’ Organization and Peace Officers in the Legislative Assembly of Ontario
  • He has acted for the Ontario Association of Chiefs of Police, members of police services boards and police services
  • He advises on law of policing issues and represented the Police Association of Ontario in its submissions to the Independent Police Oversight Review conducted by Justice Tulloch

Practice Areas Explained

Joseph J. Markson's Areas of Practice

Each practice area below reflects the types of cases Joseph J. Markson handles, with a brief overview of what that area of law covers.

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

Joseph J. Markson is one of 214,271 criminal defense attorneys indexed nationally. Browse criminal defense attorneys →

Frequently Asked

Common questions about Joseph J. Markson

What practice areas does Joseph J. Markson handle?
Joseph J. Markson focuses on criminal defense. Each practice area listed reflects experience handling cases of that type in their licensed jurisdictions.
Where did Joseph J. Markson go to law school?
Joseph J. Markson earned their education at (LL.M, 1991); (LL.B., 1989).
How can I contact Joseph J. Markson for a consultation?
You can contact Joseph J. Markson directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Joseph J. Markson received?
Joseph J. Markson's notable recognition includes: Best Lawyers in America — Criminal Defence.

Practice Areas

Education

LL.M
University of Cambridge Faculty of Law
- 1991
LL.B.
Belfast (Queen's University) Law School
- 1989

Awards

Best Lawyers in America — Criminal Defence
- 2026

Bar Admissions

Ontario, Ontario Bar Association

Reviews

These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.