EXHIBIT 21.0

Subsidiaries of Registrant

Subsidiary	State of Jurisdiction	Business Name
Enterprise Bank and Trust Company*	Massachusetts	Enterprise Bank
Enterprise Investment Services LLC**	Delaware	Enterprise Investment Services
Enterprise Insurance Services LLC**	Delaware	Enterprise Insurance Services
Enterprise Security Corporation**	Massachusetts	Same
Enterprise Security Corporation (II)**	Massachusetts	Same
Enterprise Security Corporation (III)**	Massachusetts	Same

* Direct subsidiary of Enterprise Bancorp, Inc.

** Direct subsidiary of Enterprise Bank and Trust Company