London’s beleaguered stock market is losing its grip on a “fabulous” fintech listing and others may follow.

Wise specializes in cross-border transfers. - Jakub Porzycki/NurPhoto/Zuma Press. LONDON—British payments company Wise said it plans to move its main stock listing to the U.S.,

That Revolut — a company that has made little dent in the US, serves 11 million customers in the UK and was started in a fintech incubator in London’s Canary Wharf neighborhood — would consider a New York listing should perhaps be the starkest warning sign for British lawmakers.