Welcome to NatWest. Our extensive personal banking products including bank accounts, mortgages, credit cards, loans and more. Visit today to find out more. Online Banking · Support Centre · Private · An everyday bank account. National Westminster Bank, commonly known as NatWest, is a large retail and commercial bank in the United Kingdom. It was established in by the merger Number of employees : 33. Lloyds, Halifax, NatWest suffer outages ahead of Bank holiday weekend. Customers facing problems accessing their accounts. Save. March 23, fastFT.