Potomac Bancshares, Inc. operates as the bank holding company for Bank of Charles Town that provides various banking products and services to individuals and businesses. The company offers checking, savings, and individual retirement accounts; and certificates of deposit (CD). It also provides personal loans, including new and used vehicle, home equity, unsecured home improvement and personal, retail equipment, and lot loans, as well as loans secured by CD, and home equity lines of credit; commercial loans for building or office purchases, commercial real estate and construction, and production and administrative equipment purchases; lines of credit; mortgage, term, residential and commercial construction, commercial real estate, and agricultural loans; and credit and debit cards. In addition, the company offers Card Pay, cash management, merchant, financial planning, trust and estate, investment management, wealth management, full-service brokerage, retirement and insurance planning and products, asset allocation and management, and college planning services, as well as telephone, mobile, and online banking services. It operates through nine full-service offices and one loan production office located in the Eastern Panhandle of West Virginia, Washington County, Maryland, and Loudoun County, Virginia. The company was founded in 1871 and is based in Charles Town, West Virginia.