Mervin L. Riddell is a solo general law practice based in St. Thomas, Ontario, operating from the County of Elgin Administration Building. The practice focuses on lawsuits, family law, estate law, and wills and powers of attorney. Mervin L. Riddell has represented clients at the Ontario Court of Appeal and served two terms as past president of the Elgin Law Association.

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Where to find them

County of Elgin Administration Building, 450 Sunset Drive Suite 227, St. Thomas, ON N5R 5V1 · 519-631-3211

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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 ↗