About Gregory

Gregory R. Mallough is counsel to O'Donohue & O'Donohue. He is a senior corporate lawyer whose practice focuses on business transactions, business immigration law and real estate law, called to the Ontario bar in 1984 after earning his LL.B. from Osgoode Hall Law School.

Practice areas

Business & Corporate Law Immigration Law Real Estate Law

Education & credentials

Law school
Osgoode Hall Law School

Listing compiled from public sources in August 2026. Confirm Gregory R. Mallough’s licence and standing in the Law Society of Ontario directory ↗