Marks and Spencer Group plc (commonly abbreviated to M&S and colloquially known as Marks's or Marks & Sparks) is a major British multinational retailer with headquarters in Paddington, London that specialises in selling clothing, beauty, home products and food products. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index; it had previously been in the FTSE 100 Index from its creation until 2019.