Welcome to Z. Sun Law Office

A Professional Corporation specializing in Canadian and U.S. immigration law, business law, documents and notary services.

Canadian Immigration

We offer highly professional and personalized immigration services. You are in good hands

U.S. Immigration

Strategic planning is important. Immigration expertise is essential. We can make a difference. 

Business Law

We assist clients at all stages of the business cycle - incorporation, contracts, employment and more.  

Documents & Notary

Powers of Attorney, Affidavits, Certified True Copies, Notarization, Prenuptial/Separation Agreements, Employment Contracts, Wills and more


Zhendong (Luke) Sun is a lawyer licensed in both Ontario, Canada and New York, the United States. He is also a notary public in Ontario. He practises Canadian and U.S. immigration law, and business law. He is fluent in English and Chinese Mandarin.

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Immigration Law

We offer a personalized approach with your case, whether you are an individual wishing to visit, study, work or immigrate, or a business wanting to bring workers to Canada or the United States. We take the time to learn about you, and provide you with professional guidance and quality service to achieve your short- and long-term immigration goals.

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Business Law

We provide legal advice for all stages of the business cycle. Whether you want to set up a new company, sell an existing business or seek advice on employment and regulatory matters, we listen to you and get to know you and your business in order to better help you achieve your business objectives.

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