Monzo is a UK digital bank offering personal and business customers a broad range of banking and financial products through its app. Founded in 2015, the company combines everyday banking with savings, investments, borrowing, payments, and money-management tools, including features designed to help customers budget, organize their spending, and build savings. Monzo also offers joint and under-16 accounts, as well as business banking services for small businesses and sole traders.

Monzo has grown from a challenger bank into one of the UK’s largest banks by customer numbers, with more than 16 million personal and business customers. The company has expanded its product offering while maintaining an app-first approach to banking, with features such as instant spending notifications, savings Pots, integrated accounts, investments, credit products, and 24/7 in-app customer support. In 2026, Monzo also expanded into Europe following the launch of its banking operations in Ireland.