He has been called to Bar as Advocate and Solicitor in 1984 and started his own Legal Firm in 1987 under Vincent Wong & Co. During his practice, he specialised in corporate law. He retired as Senior Partner in 2004 and is presently a Legal Consultant in Vincent Wong & Co. He is the sole proprietor in Vincent Wong Consultancy which provides consultancy to corporate clients. While as a senior partner of the legal firm, he was advising on the listing of five (5) companies in the Bursa Malaysia Securities Berhad, and was formerly a non-executive director of Serisar Industries Berhad and NPC Plantations Berhad.