Santander UK

Santander UK plc (UK: , US: ) is a British bank, wholly owned by Banco Santander, a Spanish bank. Santander UK plc manages its affairs autonomously, with its own local management team, responsible solely for its performance. Santander UK is one of the leading personal financial services companies in the United Kingdom, and one of the largest providers of mortgages and savings in the United Kingdom. As of May 2025, the bank has 18,000 employees, 14 million active customers, and 64 corporate business centres. The bank, with its head office in London's Regent's Place, 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. Alliance & Leicester plc merged into the renamed business in May 2010. In 2023, Santander UK also opened its new UK headquarters, although the office at Triton Square remains as the bank's registered UK office.