About James

Jim Mahler is a partner working across the real estate and corporate and commercial teams. He acts for builders and developers on residential, commercial, and industrial projects, including low, mid, and high-rise developments and public-private partnerships, throughout the Greater Golden Horseshoe. He also represents commercial and industrial landlords, manufacturers, distributors, and a range of other mid-sized and large businesses, handling financing transactions, mergers and acquisitions, divestitures, and reorganizations. Jim was called to the Ontario bar in 1997 after earning a B.Comm. and Arts degree from McMaster University in 1991 and an M.B.A. and LL.B. from the University of Toronto in 1995. His work has included a $60 million construction financing for a power centre in the Greater Toronto and Hamilton Area and title work supporting $2 billion in U.S. financing secured by a large industrial property.

Practice areas

Business & Corporate Law Real Estate Law

Education & credentials

Law school
University of Toronto
Undergraduate
B.Comm. & Arts (Hon.), McMaster University
Other degrees
M.B.A., University of Toronto

Listing compiled from public sources in July 2026. Confirm James W. Mahler’s licence and standing in the Law Society of Ontario directory ↗