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
Your business tax resource center.
Businesses come in all sizes — from large multinational corporations to sole proprietorships. This page has the information you need to fulfill your business tax obligations to the Commonwealth.
Massachusetts imposes a corporate excise tax on certain businesses.
Learn about sales, meals, withholding, and other trustee taxes that organizations may collect on behalf of the state.
Most businesses are required to file and pay tax on business income.
There are a variety of business tax credits which can greatly benefit your organization.