Bank OZK provides various retail and commercial banking services. It accepts various deposit products, including non-interest-bearing checking, interest bearing transaction, business sweep, savings, money market, individual retirement, and other accounts, as well as time deposits. The company also offers real estate, consumer and business purpose, indirect recreational vehicle and marine, commercial and industrial, government guaranteed, agricultural, small business, homebuilder, and affordable housing loans; business aviation and subscription financing services; and mortgage and other lending products.