Bank OZK provides various retail and commercial banking services.

The company 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.

It also offers real estate, consumer and business purpose, indirect recreational vehicle and marine, commercial and industrial, government guaranteed, agricultural equipment, small business, lines of credit, homebuilder, and affordable housing loans; business aviation and subscription financing services; and mortgage and other lending products.

In addition, the company provides trust and wealth services, such as personal trusts, custodial accounts, investment management accounts, and retirement accounts, as well as corporate trust services, including trustee, paying agent and registered transfer agent services, and other related services.

Further, it offers treasury management services comprising automated clearing house, wire transfer, transaction reporting, wholesale lockbox, remote deposit capture, automated credit line transfer, reconciliation, positive pay, merchant and commercial card, and other services, as well as zero balance and investment sweep accounts.

Additionally, the company provides ATMs; telephone, online, and mobile banking services; debit and credit cards; safe deposit boxes; and other products and services, as well as processes merchant debit and credit card transactions.

The company was formerly known as Bank of the Ozarks and changed its name to Bank OZK in July 2018. Bank OZK was founded in 1903 and is headquartered in Little Rock, Arkansas.