With an estimated net worth of $2.3 billion as of April 2016 according to Forbes, Tang Yiu is hailed by Forbes as the 276th richest billionaire in the globe today.

Tang Yiu is the founder of the largest women footwear retailing company in China, the Belle International Holdings Limited. Despite the double-digit fall in Hong Kong's main stock index last year, it is still a profitable year for Tang Yiu. He remains as the Chairman of the board despite the fact that he suffered from stroke last year. His son, Tang King Loy, serves as the company's executive director.

Tang Yiu also serves as the Chairman of The Federation of Hong Kong Footwear Limited.