There are around 20 major commercial banks in the UK, many of which also have branches overseas. The four largest are Lloyds TSB, Barclays, NatWest, and HSBC. Banking services are also provided by other institutions including the Post Office, various savings banks, and cooperative and building societies. Most banks provide a range of additional services including mortgage lending and investment advice, and many offer internet and banking facilities. There are ATM machines located at most banks.

Bank opening hours are generally from 0930 to 1630 on weekdays. They are closed on public holidays and at weekends.

In order to open an account non UK nationals may be asked to show their passport, evidence of their UK address and employment details.

Major credit cards and charge cards such as American Express, Mastercard, Visa and Diners Club are widely accepted at hotels, shopping centres and restaurants. Traveler's cheques are also generally accepted at banks and hotels and at some large department stores.