Cassava Enterprises is a company that is licensed by Gibraltar, and they are also officially approved with the gambling commission. Cassava owns a range of casinos, and also provides the transactions associated with 888 and other big brands. When you deposit and withdraw on certain casinos, "Cassava" will be shown on your bank statement.
MobileCasinoRank, an independent portal, lists online casinos by the countries that they operate in. The players are able to see where the online casino is active, and what customer support it provides. Since the conditions of online gaming differ from country to country, for security reasons, the players should choose an online casino supported in their country.