Barclays Bank, one of the largest banks and financial institutions in the world, is headquartered in London, UK. Barclays Bank, founded in 1690, is the oldest bank in Britain. It has a history of more than 300 years. It is the first bank in the world with ATM. It issued the first credit card in Britain in 1966 and the first debit card in Britain in 1987. By 2013, 140,000 employees were employed worldwide. As of 2012, total assets amounted to 1.49 trillion, the seventh largest bank in the world, and the second largest bank after HSBC in the UK. Barclays Bank operates in more than 50 countries and has more than 2100 branches in the UK.