Ho completed his apprenticeship and was promoted to assistant manager at age 22. Two years later he resigned from his position to set up a trading business in Guangzhou. In 1933, Ho co-founded Hang Seng Ngan Ho with three partners,
Lam Bing Yim (
林炳炎), Sheng Tsun Lin (盛春霖) and Leung Chik Wai (梁植偉). Hang Seng began as a small currency changing booth on Wing Lok Street in
Sheung Wan. Ho co-founded New World Development company in 1970 with Chow Chi Yuen. He served as the company's first chairman while Chow acted as Director and general manager. Ho also served as a director of
Wing Lung Bank as well as Bangkok Mercantile Company. His other directorships included the Miramar and Furama hotels and he had business interests in the shipping and insurance industries. Along with Hang Seng Director
Lee Quo-wei, he commissioned Hang Seng's head of Research
Stanley Kwan to create the index, which is now globally recognised as the leading benchmark for the Hong Kong stock market. == Philanthropy==