William Hill PLC (LON: WMH) is based out of London and was founded in 1934. It grew as one of the biggest and most well-known gambling companies. The company’s website provides various gambling related products for the players. While the betting side gives a chance to bet on countless sports-related events, the casino site offers players slots, live casino games, poker, scratch cards, bingo, roulette, and jackpots, among various others. William Hill is a part of the FTSE 250 index.