The State Organization Index provides an alphabetical listing of government organizations, including commissions, departments, and bureaus.
Top-requested sites to log in to services provided by the state
MassTaxConnect is the Department of Revenue's web-based application for filing and paying taxes. To register a business with MassTaxConnect, you will need the following documents and information:
Corporations will need the above information along with:
Non Profit Organizations will need:
To register your business go to MassTaxConnect.
When you register on MassTaxConnect you will immediately receive an email confirming your registration request has been received.
Once your registration has been approved you will receive another email letting you know that you can now log in. This second email will contain a link directly to MassTaxConnect with an authentication code.
For more information select Registration which can be found under MassTaxConnect's Frequently Asked Questions.
DOR's call center hours for help are 8:30 a.m. - 4:30 p.m., Monday through Friday. (617) 887-6367 or (800) 392-6089 (toll-free in Massachusetts)
Select one of the following to learn about: