Business Taxes

What would you like to do?

Top tasks

Log in to MassTaxConnect  Make a payment with MassTaxConnect 

All other tasks

Register your business with MassTaxConnect  Attend a DOR Small Business Workshop  Request a Certificate of Good Standing-Tax Compliance or a Corporate Tax Lien Waiver  Verify a sales or meals tax certificate  Submit annual certification of entity tax status   Amend your tax return or request an abatement of tax  

See all 12 of the what would you like to do section 

What you need to know

Sales and Use Tax  Withholding  Corporate Excise   Room Occupancy Excise   Cigarette and Tobacco Excise  Motor Fuel Excise  

See all 17 of Business Taxes 

Contact Information

DOR Contact

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Phone

Tax Department Call DOR Contact, Tax Department at (617) 887-6367

Toll-free in Massachusetts Call DOR Contact, Toll-free in Massachusetts at (800) 392-6089

8:30 a.m.–4:30 p.m., Monday through Friday

Online

Contact Us Your one-stop connection to DOR. 

MassTaxConnect Log in to file and pay taxes. 

Receive email updates Subscribe to receive updates from DOR. 

Related Services

• Types of Businesses 
• Starting a Corporation 
• DOR Tax Bills, Collections, Audits, and Appeals 
• Employer Tax Obligations 
• Unemployment Insurance (UI) for Employers 
• Unemployment Insurance (UI) Online 

See all 7 

Additional Resources for Business Taxes

Open file for Tax Forms

Open file for Estimated Tax Payment Vouchers

Open file for Business Tax Credits

Open file for Set up a payment agreement

Open file for Form ST-13 replaced by online application for small business energy exemption

Open file for Apply for an Employer Identification Number (EIN)

See all 18