About Shirley Yee Professional Corporation

Shirley Yee Professional Corporation, operating as Shirley Yee Law Office, is a Markham firm that has represented individuals, professionals, and businesses for more than 30 years. Founder Shirley Yee was called to the Ontario bar in 1987 after earning a law degree from Osgoode Hall Law School and an undergraduate degree from the University of Waterloo. The firm practises from a suite on Acadia Avenue in Markham and focuses on residential and commercial real estate, corporate and business law, wills, powers of attorney and estates, and mortgage enforcement work for lenders and property owners.

The firm has grown to five lawyers. Junior partner Ernest Woo holds a law degree from King's College London and a certificate in cannabis law and regulation from Osgoode Hall Law School, and joined the firm in September 2016. Crystal Chen was called to the bar in China in 2011 and to the Ontario bar in 2020, and holds LL.M. degrees from Osgoode Hall Law School and the University of Toronto. Cheyenne Yan, with the firm since 2013, was called to the Ontario bar in 2020 and holds two LL.M. degrees from Osgoode Hall. Gabriel Chui worked as an accountant before joining the firm in 2022 and was called to the Ontario bar in 2023. The office serves clients in English, Cantonese, Mandarin, and Taishanese.

Practice areas

Not listed

Good to know

A person using a wheelchairWheelchair accessibleA calendar with a checkmark beside a clockBy appointment

This firm’s lawyers at a glance

Called to the bar
1987–2023 · median 6 years in practice 5 of 5 lawyers
Languages on the roster
Cantonese, English, Mandarin, Toi Shan dialect

Where to find them

80 Acadia Ave, Suite 306, Markham, ON L3R 9V1 · 905-940-6800

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This listing was generated by AI from public sources in September 2026. It may contain errors, and we can’t guarantee it’s accurate or complete. Before you rely on anything here, verify it on the firm’s own website. Verify licence status in the Law Society of Ontario directory ↗

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