Corporate Income Tax

Maine imposes an income tax on all entities organized as corporations (except S corporations) and that have Maine-source income. The corporate income tax is graduated, with rates ranging from 3.5% (for income up to $25,000) to 8.93% (for income in excess of $250,000).

Current Year (2014) Forms
These are forms due in 2015 for income earned in 2014.

Other Information

Guidance Documents

Pine Tree Development Zone Program

Corporate Income Tax FAQs

Email Questions

Contact Information:

P.O. Box 1060
Augusta, ME 04332-1060

Phone: 207-624-9670

Fax: 207-624-9694