Reliant Bancorp, Inc. operates as the financial holding company for Reliant Bank that provides a range of commercial banking services for businesses and individuals. It operates in two segments, Retail Banking and Residential Mortgage Banking. The company offers checking, savings, and money market deposit accounts; certificates of deposit; time deposits; and non-interest-bearing and interest-bearing demand deposits. It also provides commercial, industrial, and agricultural loans; 1-4 family residential, 1-4 family HELOC, and multi-family and commercial real estate loans, as well as construction, land development, and farmland loans; consumer loans, such as loans for household, family, and other personal expenditures; and loans to states and political subdivisions, and other depository institutions. In addition, the company originates traditional first lien residential mortgage loans and first lien home equity lines of credit; and provides debit cards and mobile deposit options, as well as direct deposit, online banking, telephone and mobile banking, and automated teller machine services. As of December 31, 2020, it operated 27 full-service branch offices located in Middle Tennessee; 7 mortgage offices in Tennessee and Arkansas; and 1 loan production office in Knoxville, Tennessee. The company was formerly known as Commerce Union Bancshares, Inc. and changed its name to Reliant Bancorp, Inc. in January 2018. Reliant Bancorp, Inc. was founded in 2006 and is headquartered in Brentwood, Tennessee.