John Marshall Bancorp is a bank holding company that operates John Marshall Bank, a Virginia-chartered commercial bank serving small to medium-sized businesses, professionals, non-profits, and individuals across the Washington-Arlington-Alexandria metropolitan area through eight full-service branches. The bank offers a range of commercial and consumer lending products including commercial real estate loans, construction loans, SBA 7(a) loans, and residential mortgages, alongside deposit products and treasury management services delivered through digital platforms and relationship-driven commercial banking. The company generates revenue primarily from interest income on loans, deposit relationships, service fees from treasury and cash management services, and investment income from its securities portfolio, competing as an independent, locally-focused institution against larger regional and national banks by emphasizing personalized service, specialized expertise in niche industries, and operational efficiency.