Domino's Pizza has reported a 29% surge in pre-tax profits to £17.5m, buoyed by a strong performance from e-commerce sales and attributed its link-up with Foursquare as key to its recent performance. The takeaway company reported a like-for-like sales increase in 553 stores by 13.7% in the 26-week period to the end of 27 June this year. Domino's now has 627 stores in the UK after 19 new stores were opened in the period. The company said it was on track for a further 55 store openings this year.