How Britain’s challenger banks grew up

In February 2016, a London start-up offering a prepaid card and a slick app asked the public for £1m on Crowdcube. It got the money in 96 seconds. Ten years later that company, Monzo, has reported revenue of £1.7bn for the year to March 2026 and holds £25.7bn of customer deposits. It is no longer a plucky outsider, and nor are the other names that came up with it. Revolut…