Which? compares M&S and Waitrose's prices, customer service, loyalty cards, animal welfare and seafood sourcing policies - and how their own-label products scored in our blind taste tests.
M&S makes change for shoppers who pay with credit card and says 'it's key' birminghammail.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from birminghammail.co.uk Daily Mail and Mail on Sunday newspapers.
M&S and HSBC UK agree a new seven-year deal focused on enhancing M&S credit and payments offering through M&S Bank and bringing together digital payments and loyalty for.
M&S trials discounted prices for Sparks members retailgazette.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from retailgazette.co.uk Daily Mail and Mail on Sunday newspapers.