Bet365 Maximum Bet Limit Many people ask us what is the Bet365 maximum bet limit. Bet365 are the world’s biggest online bookmakers and have a fully-deserved reputation for not being afraid to take big bets, from their customers. Please note that all views expressed in this article are our own. If you want to bet for high stakes, then Bet365 is the site for you. However, there are things you need to bear in mind and measures that you should take when using the site for the first time.