MainStreet Bancshares, Inc. is a holding company, which engages in the provision of banking solutions through MainStreet Bank. It offers products and services such as checking, deposits, loans, credit cards, mortgages, and savings. It operates through the following segments: Residential, Real Estate Commercial, Construction, Commercial, and Consumer. The company was founded on March 28, 2003 and is headquartered in Fairfax, VA.