Willis Business Law is a business law firm in Windsor, Ontario, founded in 2016 by William J. Willis, who is recognized by the Law Society of Ontario as a certified specialist in corporate and commercial law. The firm advises private and public-sector clients across Windsor-Essex County on corporate, employment and labour, real estate, and estate planning matters.

Good to know

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Certified Specialists

A designation granted by the Law Society of Ontario, not a self-declared area of focus.

This firm’s lawyers at a glance

Called to the bar
2005–2025 · median 7 years in practice 4 of 13 lawyers
Law schools
University of Windsor (4), Osgoode Hall Law School, Queen Mary University of London, Queen's University, Queen's University, Faculty of Law, University of Leicester and 1 more 10 of 13 lawyers

Where to find them

1 Riverside Dr W, Suite 503, Windsor, ON N9A 5K3 · 519-945-5470

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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 ↗