甲必丹
The Kapitan Cina Ong Tiang Swee (), who was then Kuching's wealthiest person, was impressed by Wee, and decided to let him marry his eldest daughter, Ong Siew Eng (). Wee was then given the role of manager of the Sarawak Chinese Bank, which Ong owned. Wee soon got to know more prominent businesspeople and other important figures; he shortly started a string of businesses, including farming and goods importing and exporting.