The bookmaker is one of the most prominent brands not just in the US, but also the world at large when it comes to online sports betting and today we have the good fortune to be reviewing William Hill US, as one of the clear market leaders.Īpart from its sizeable footprint in America, William Hill brings a variety of promotions, competitive odds, the occasional promo code, and a dedicated state-of-the-art mobile app to make your online betting experience so much more fun. William Hill Sportsbook runs a combination of retail and mobile sportsbooks all across the United States.