The largest betting companies in the world include industry giants like Bet365, William Hill, and Flutter Entertainment, which operates brands like Paddy Power and FanDuel. These companies dominate the global market by offering a wide range of betting options, including sports, casino games, and online poker. With advanced technology and user-friendly platforms, they attract millions of customers worldwide. Regulatory compliance and responsible gambling initiatives are also key focuses, as these companies navigate the complex landscape of international gaming laws and consumer protection. Their influence continues to grow as online betting becomes increasingly popular.