The leading Belgian sports betting operator betFIRST, acquired in June by the Betsson Group, has just launched a new online casino offering in. The leading Belgian sports betting operator betFIRST, acquired in June by the Betsson Group, has just launched a new online casino. . betFIRST is the leading Belgian retail and online sports betting operator. We are active online and also have the largest network of offline points of sale. Según la investigación y los cálculos que hemos realizado, BetFirst Casino BE es un casino online grande, con ingresos elevados y un gran número de jugadores. En el casino Bet First Casino se puede apostar dinero a través de los siguientes métodos de pago: PayPal, Apple Pay, NETELLER, Skrill, Visa, Mastercard.