Referral bonus is a quite popular type of promotion, in which everyone gets a bonus! Why do punters like it so much? Well, not only you get a bonus for referring your friend, but your friend also gets a chance to claim his welcome offer. All you have to do is to share a unique referral code/link via which they will register their new account. Then, after your friend completes the registration process, makes the first deposit and fulfils all the wagering requirements, you will get your free bonus. Some top online bookmakers have a limited number of referral bonuses per client, however, there are also those who do not set any limits on how many times you can get rewarded for referring your friends. Do not waste any more time! Find out which top online bookmaker offers the best Refer a Friend bonus.