Business: Capital Bancorp, Inc. s a registered bank holding company for Capital Bank, National Association, headquartered in Rockville, Maryland. Capital Bank, National Association, is a commercial-focused national banking association that offers commercial and consumer banking services to clients in the Washington, D.C. and Baltimore, Maryland metropolitan areas, alongside two nation-wide consumer lending brands, Church Street Mortgage, a mortgage division that originates conventional and government-guaranteed residential mortgage loans, and OpenSky, which provides secured credit cards to under-banked populations and those looking to rebuild their credit scores.