What stock exchange lists a competitor of Ladbrokes?
Betting shop: In the United Kingdom, a betting shop is a shop away from a racecourse ("off-course") where one can legally place bets in person with a licensed bookmaker such as William Hill, Ladbrokes, or John mulhollands. William Hill (bookmaker): William Hill plc is a bookmaker based in London, England. William Hill (bookmaker):  It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.
London Stock Exchange