Landmark Bancorp, Inc. operates as the financial holding company for Landmark National Bank that provides various financial and banking services to its local communities. It offers non-interest bearing demand, money market, checking, and savings accounts, as well as certificates of deposit. The company also provides one-to-four family residential real estate, construction and land, commercial real estate, commercial, paycheck protection program, municipal, and agriculture loans; and consumer and other loans, including automobile, boat, and home improvement and home equity loans, as well as insurance, and mobile and online banking services. In addition, the company invests in certain investment and mortgage-related securities. It operates in the eastern, central, southeast, and southwest Kansas. The company was founded in 1885 and is headquartered in Manhattan, Kansas.