Mr. DelBigio's legal practice covers a wide range of legal subjects including: income tax and GST related charges and investigations, Charter of rights issues such as search and seizure, search warrant challenges, and constitutional challenges to the validity of legislation, as well as driving offences, fraud, murder, and drug charges, proceeds of crime, extradition matters, and appeals to the British Columbia Court of Appeal and Supreme Court of Canada.

Greg DelBigio is the former Chair of the Canadian Bar Association ("CBA")'s National Legislation and Law Reform Committee, the winner of the 2003 CBA's President's Award and, since August 2006, he has been the Chair of the CBA's National Criminal Justice Section. Greg is also the Editor of the Charter of Rights Newsletter published by Canada Law Book, and a frequent instructor of Continuing Legal Education (CLE) seminars to other lawyers on a variety of topics in criminal law.