The state's market seems to grow by the day, as it did everything right when it first legalizing sports betting. William Hill makes it 13 sportsbooks with online betting in the state. Since launching legalized sports betting on May 1, Colorado has added the likes of DraftKings, FanDuel, BetRivers, BetMGM, theScore Bet, and FOX Bet. William Hill's launch in Colorado is just another day for the Centennial State. New customers who sign up and make a digital deposit will receive up to a $500 free bet after registering. In addition to the typical pregame and live bets that are available, the company's online betting app offers multiple ways to deposit and withdraw funds. William Hill has officially launched in Colorado and West Virginia they're the fourth and fifth states to add the European betting giant to the online mix. Two of the country's sports betting markets are expanding by adding a new operator into the mix.