Apply for a Business Certificate

A business certificate must be filed for any person, partnership, or corporation conducting business in Cambridge under a name other than their own. The form must be signed before a Notary Public.

You can complete a business certificate application here.

1.    Print the complete form, have it signed before a Notary Public and returned by mail with a $50 check to:

City Clerk's Office
795 Massachusetts Avenue
Cambridge, MA 02139

2.    Come the clerk’s office to have the application notarized and pay in the office.  

Business certificates are valid for four years and must be renewed at the City Clerk's Office.

For additional questions related to your Business Certificate, please contact the Clerk’s at 617-349-4260 or cityclerk@Cambridgema.gov.