Heritage Financial Corporation operates as the bank holding company for Heritage Bank that provides various financial services to businesses and individuals in the United States. The company accepts various deposit products, such as noninterest demand accounts, interest bearing demand deposits, money market accounts, savings accounts, personal checking accounts, and certificates of deposit. Its loan portfolio includes commercial and industrial loans, owner-occupied and non-owner occupied commercial real estate loans, one-to-four family residential loans, real estate construction and land development loans, consumer loans, business loans, lines of credit, term equipment financing, and term real estate loans, as well as commercial loans focuses on real estate related industries and businesses in agricultural, healthcare, legal, and other professions. The company also originates loans that are guaranteed by the U.S. Small Business Administration; and offers trust services through trust po