Premier Bank opened for business in 1997. It is a locally owned and managed bank with locations in four communities. The main office is located in Rock Valley which is located in Sioux County in Northwest Iowa. Premier bank mission is to serve in a fair, balanced, and exemplary manner the interest of shareholders, customers, employees, and the public through adherence to high standards of financial soundness, profitability, customer service, employee professionalism, business ethics, and corporate citizenship.