Santander Bank Online Banking Santander UK plc is a British bank, wholly owned by the Spanish Santander Group. … The bank, with its head office in the London Borough of Camden, was established on 11 January 2010 when Abbey National plc was combined with the savings business and branches of Bradford & Bingley plc, and renamed Santander UK plc. Customer Service Telephone 0800 389 7000 Online Banking Login   Routing/Wiring Instructions Money Transfer To transfer funds locally or internationally, you…