The State Organization Index provides an alphabetical listing of government organizations, including commissions, departments, and bureaus.
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An Employer Identification Number (EIN) is also known as a Federal Tax Identification Number, and is used to identify a business entity. The only kind of business that does not require getting an EIN is a sole proprietorship with no employees.
You can only receive your EIN through the IRS. If you have questions about getting an EIN, contact the IRS.
Once you’ve received your EIN from the IRS, you can register your business with MassTaxConnect.
To apply online, please visit the IRS website.
The Form SS-4 (see instructions) can be mailed or faxed to the IRS.
If your business has a received a Form ST-4 from a potential buyer, you can find out if that buyer is registered with the Massachusetts Department of Revenue to collect either sales or meals tax by verifying their EIN number. Learn more.