Ant Financial Services Group, formerly known as Alipay, is an affiliate company of the Chinese Alibaba Group. Ant Financial is the world's highest-valued FinTech company, and most valuable unicorn (start-up) company, with a valuation of US$150 billion. 

Alipay was rebranded as Ant Financial Services on 23 October 2014. In 2015, Ant Financial raised $4.5 billion in a funding round with investors including China Investment Corp (CIC), CCB Trust, China Life, China Post Group, China Development Bank Capital and Primavera Capital Group.

It operates Alipay, the world's largest mobile and online payments platform as well as Yu’e Bao, the world's largest money-market fund. It also runs Sesame Credit, a third-party credit rating system. As of September 2017, Ant Financial unveiled its facial recognition payment technology through its Alipay services.

 

In March 2019, The Wall Street Journal reported that Ant's flagship Tianhong Yu'e Bao money-market fund was the biggest in the world, with over 588 million users of Ant's mobile payments network Alipay contributing, more than a third of China's population.

According to en.wikipedia