List of restaurant chains from the UK. Famous restaurant chains from throughout the United Kingdom have been included. Restaurant chains offer a familiarity through their decor and menu throughout all of their locations. As such, they tend to be most popular in areas where one would find travelers or tourists. This list focuses primarily on sit-down restaurants. That said, a few fast food restaurant chains have been included.What are the best restaurant chains in the UK? Today, nearly every cuisine imaginable has a restaurant chain attached to it.