Hint: Credit card branch of a big bank.
Answer: Barclaycard
Barclaycard is a global credit card and loan provider owned by Barclays plc in the UK. The Barclaycard was the first credit card introduced in the UK, coming into service in 1966. It enjoyed a monopoly until the introduction of the Access card in 1972.
Barclaycard later became part of the VISA network. Nowadays, Barclays offers both MasterCard and VISA versions. Barclaycard claims it is Europe's leading issuer of credit cards with 10.4 million customers in the UK and 10.8 million outside the UK. Barclaycard's main offices are in Northampton, along with several floors at Barclays' corporate HQ, One Churchill Place in Canary Wharf, London.