Revolut, Allpay, Circle, Wise and 285 other electronic money institutions, or EMIs, licensed in Britain have gained millions of clients at home and abroad in recent years, challenging the supremacy of mainstream banks in cross-border payments and currency exchange.
U.K. payment services providers and electronic money institutions are "under-reporting" transactions indicative of money laundering as well as potential sanctions breaches because of weak compliance controls, the U.K. Financial Conduct Authority warned Tuesday.