Betfair is a British gambling company founded in 2000. It operates the world's largest online betting exchange. Its product offering also includes sports betting, online casino, online poker, and online bingo.Betfair - Wikipediaen.wikipedia : wiki : Betfairaposta multipla sportingbetBetfair Group PLC. is an International Internet sports betting company.Betfair Group Ltd - Company Profile and News - Bloomberg Marketsbloomberg : profile : company : BET:LNaposta multipla sportingbet aposta ganha simulador