Avidia Bancorp, Inc. operates as the bank holding company for Avidia Bank that provides various financial services to individual and corporate customers. It provides savings and checking, certificate of deposit, individual retirement, money market, demand deposit, and interest-bearing and noninterest-bearing checking accounts. The company also offers commercial and industrial loans, one-to four-family residential mortgage loans, home equity loans and second mortgage loans, multi-family mortgage loans, commercial real estate loans, construction and land loans, and consumer loans, as well as land development, business term, and auto loans. In addition, it provides payments processing services, invests in securities, primarily of U.S. Treasury securities, U.S. Government agency securities, and municipal securities. The company was founded in 1869 and is headquartered in Hudson, Massachusetts.