McArthur Law is a St. Catharines, Ontario firm advising on criminal, professional, and disciplinary law matters. Its criminal practice is generally limited to the Niagara Region (with the exception of appeal work), taking cases out of both the St. Catharines and Welland courthouses. The site is offered in both English and French.

Lawyers

No individual lawyers listed on the firm site.

Where to find them

43 Church Street, Suite 601, St. Catharines, ON L2R 7E1 · 905-397-4050

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Listing compiled from the firm’s public website in July 2026. Verify licence status in the Law Society of Ontario directory ↗