Monzo Bank Limited, trading as Monzo , is a British online bank based in London, England. Monzo was one of the earliest of a number of new app-based challenger banks in the UK.Originally operating through a mobile app and a prepaid debit card, in April 2017 its UK banking licence restrictions were lifted, enabling it to offer a full current account. As of June 2023, Monzo had over 7.4 million customers. Their most recent financial results, issued in June 2023, showed an annual net loss of £116.3 million (a decrease from the £119 million lost in the previous year) on revenue of £355.6 million. Source: Wikipedia (en)