Brookline Bancorp, Inc. is a multi-bank holding company headquartered in Boston, Massachusetts. The company operates through its subsidiaries Brookline Bank, Bank Rhode Island, and PCSB Bank, offering a wide range of commercial, business, and retail banking services across Massachusetts, Rhode Island, and New York.

As a commercially-focused financial institution, Brookline Bancorp provides comprehensive services including personal deposit and lending, residential mortgages, home equity credit, C&I lending, commercial real estate lending, cash management, payroll, and merchant services. The company also offers access to investment services, catering to individuals, small businesses, and mid-sized enterprises throughout its service areas.