Century Bancorp, Inc. is a state-chartered bank holding company. The Company operates through its banking subsidiary, Century Bank and Trust Company (the Bank). As of December 31, 2011, the Company operated 24 banking offices in 17 cities and towns in Massachusetts. The Bank�s customers consist primarily of small and medium-sized businesses and retail customers in these communities and surrounding areas, as well as local governments and institutions throughout Massachusetts. The Company offers a range of services to commercial enterprises, state and local governments and agencies, nonprofit organizations and individuals. It focuses on small and medium-sized businesses and retail customers in its market area. The Company makes commercial loans, real estate and construction loans, and consumer loans and accepts savings, time and demand deposits.