Challenger Bank

A challenger bank is a relatively new retail or business bank that sets out to take customers from the large, long-established banks that dominate a national market. The term originated in the United Kingdom, where a handful of banking groups have long held most current accounts, and it is used there for any recent entrant with a banking license, whether it operates branches or exists only as a mobile app.

In wider usage the phrase is often applied to app-based financial companies in general and overlaps with neobank and digital bank. A common distinction is that a challenger bank holds its own banking license, whereas a neobank may offer accounts through a partner bank or under an electronic money permission. The distinction is not applied consistently.

After the financial crisis of 2008, British authorities concluded that retail banking was too concentrated and that barriers to entry were too high. Metro Bank, which opened in 2010, was the first new high-street bank to receive a license in the country in more than a century. In 2013 regulators simplified the application process and reduced the capital initially required of new banks, and in 2016 the Prudential Regulation Authority and the Financial Conduct Authority set up a joint unit to guide applicants.

A wave of entrants followed. Some were specialist lenders to small businesses and property investors; others, including Atom, Monzo and Starling, were built around smartphone apps with no branches. Similar firms appeared across Europe, such as N26 in Germany, and later in Latin America, Asia and Australia.

Several app-based challengers began without a full license. They launched as prepaid card programmes or as an electronic money institution, which allowed them to offer accounts and cards quickly, and applied for a banking license once they had customers. The difference matters to customers. Money held with an electronic money institution is protected by safeguarding, not by deposit insurance, and cannot be lent out. Deposits at a licensed United Kingdom bank are covered by the Financial Services Compensation Scheme up to the statutory limit.

New United Kingdom banks are commonly authorised with restrictions at first, limiting the deposits they can hold while they complete their systems and controls. Revolut, which had operated in the country under an electronic money permission, received a banking license on this restricted basis in 2024 and had the restrictions lifted in March 2026.

• Technology. Most run on a modern core banking system, often cloud-hosted, which makes it cheaper to add features than on the older platforms of incumbents.
• Cost. Without branches, the cost of serving each account is lower, and savings are passed on as free accounts or better rates.
• User experience. Account opening in minutes, instant spending notifications, in-app card controls, budgeting tools and low-cost foreign spending set expectations that established banks later copied.
• Openness. Many built marketplaces of third-party products and made early use of open banking connections.

Free current accounts earn little directly. Early income for app-based challengers came largely from the interchange fee on card spending, which is capped at low levels in Europe, and from subscriptions to premium account tiers. Sustainable profit generally requires lending, so that the bank earns a net interest margin between what it pays depositors and what it charges borrowers. Challengers have added overdrafts, personal loans, and in some cases business lending and mortgages, either originated themselves or bought from other lenders.

The rise in interest rates from 2022 improved results markedly, since customer deposits placed at the central bank or in government securities began to earn a return. Several of the larger firms reported their first annual profits in this period, after years of losses funded by venture capital.

Challengers have won many accounts but a smaller share of primary banking relationships. Many customers keep their salary and main balances with an incumbent and use the newer account for everyday spending or travel, which limits deposits and lending opportunities. Winning a customer is cheap when driven by word of mouth, but the customer acquisition cost rises as growth relies on advertising.

Rapid growth has also strained controls. Regulators in the United Kingdom and Germany have fined or restricted several digital banks for weaknesses in anti-money laundering systems, and customers have complained of accounts frozen during automated fraud reviews with limited access to support. The closure of branches by all banks has raised questions about how app-only providers serve people who rely on cash or in-person help.

Incumbents have responded by improving their own apps and launching digital brands. The competitive effect of challengers is therefore seen as much in the changed behaviour of established banks as in market share.