Description William Hill is a UK based Poker Room and it is rather popular overseas. It's also a Sportsbook and Casino to boot. If you decide to use it in the USA though you won't have any problems getting a game with a friendly UK related player. There are plenty of people on at any given time with peak times ranging over 10,000 at times. William Hill offers a Prop Player program that allows you to earn points per hand and buy some pretty cool stuff. Promotions are pretty healthy and it's a great Poker Room overall.