According to our research and estimates, GatoBet Casino is a smaller online casino revenue-wise. Join Gato Bet today for all the latest online sports betting odds in the UK. . According to our research and estimates, GatoBet Casino is a smaller online casino revenue-wise. Join Gato Bet today for all the latest online sports betting odds in the UK. Claim free bets, get access to quick withdrawal and 24/7 Support. Claim free bets, get access to quick withdrawal and 24/7 Support. Gatobet sister sites include Mobile Millions, Lotto Net, KingdomAce, Chefs Casino, Deal Bet, Las Vegas Casino, Mango Casino, Maple Bet, Britain Bet, Burj Casino. The revenue of a casino is an important factor. The revenue of a casino is an important factor.