CNBC and independent research firm Statista are going to identify the world’s top 200 fintech companies.

Revolut reported revenues of £636.2 million in 2021, three times what it made the previous year, and swung to a net profit of £59.1 million.

Wahed, an Islamic fintech startup backed by Saudi Aramco and Paul Pogba, debuted its own retail presence in the U.K. Tuesday.

The fintech startup, called One, wants to launch a service that shoppers could use at Walmart’s website and stores, as well as at other retailers.