File Your Maine Business Taxes Online Accurately in Minutes

X.TAX provides expert Business tax solutions for filing all your ME business tax forms, 100% accuracy, Audit Protect and Assist Filing.

Maine Business Taxes Made Easy

Stay compliant and maximize savings with ME tax benefits.
Maine offers business-friendly tax policies with various sales tax exemptions, property tax relief, and income tax credits. Whether you’re a corporation, partnership, LLC, or sole proprietor, ME provides job creation incentives, investment tax credits, and historic rehabilitation benefits to support business growth.

Maine Business Tax Forms

Know ME Business Tax Forms, which required for your business to stay compliant with Maine regulations and avoid penalties.

Corporations 

Partnerships

LLCs

Estates and Trusts

File ME Business Taxes in Four Simple Steps

X.TAX makes tax filing smooth, secure, and error-free.

Create an Account

Set up your profile securely.

Upload Your Information

Enter your income, expenses, and tax forms. 

Review for Errors

Use smart tools to verify accuracy. 

Submit to the State

File with one click and track your submission. 

Never Miss a Maine Tax Deadline

Stay ahead with your ME Biz Tax with X.TAX reminders.
Business Type Forms Due Date
Corporations Form 1120 April 15, 2025
Form 1120S March 15, 2025
Form 5 April 15, 2025
Partnerships Form 1065 March 15, 2025
Form 3 March 15, 2025
Form 1CNP April 15, 2025
LLCs and Sole Proprietors Form 1 April 15, 2025
Form Corp-ES Quarterly payments due on April 15, June 15, September 15, and January 15
Form PW-1 April 15, 2025
Estates and Trusts All necessary forms for Wisconsin estate and trust filings are typically April 15, 2025

Maximize Savings with ME Business Tax Exemptions

Claim Business tax benefits available in Maine.

Sales Tax Exemptions

Property Tax Exemptions

Income Tax Credits

Why Maine Businesses Trust X.TAX

Filing your taxes has never been this easy.

Audit Protect

RiskScore

AItomatic Filings

QuickBooks Integration

See Maine Businesses Rely on X.TAX

Hear from business owners across ME.

Maine Business Tax FAQs

Find answers to common ME Biz tax questions.
X.TAX is designed for Maine businesses, offering secure, fast, and reliable tax filing.
We provide all essential forms for corporations, partnerships, LLCs, and estates. See the full list above.
Most filings are due May 15, 2025, with extensions available until November 15, 2025.

Maine offers sales tax exemptions, property tax relief, and investment tax credits for qualifying businesses.

Our smart verification tools scan filings for errors and compliance with Maine tax laws.
Yes! X.TAX uses robust encryption to protect your business tax data.