Betfair is the world's largest Internet betting exchange. The company is based in Hammersmith in West London, England.
bet365 Group Limited, is a United Kingdom based gambling company. bet365 is one of the world’s leading online gambling groups with over 4 million customers in 200 different countries.
bet-at-home.com Holding ltd is part of the Mangas group, a leader in online gambling and sports betting.
