StructureCost2026

What an LLC costs in Maine (2026)

Forming an LLC in Maine costs $175. After that the state charges Annual Report, $85 a year.

CostAmountWhen
Certificate of Formation (MLLC-6)$175Once, to formmaine.gov
Annual ReportAnnual Report, $85 a yearJune 1 (first report due the year after formation)maine.gov

What else an LLC owner pays

The fees above are what the state charges the LLC. The bigger cost is tax on the profit: a single-member LLC pays the same income tax and self-employment tax as a sole proprietor. At $100,000 of profit that comes to $27,042 a year in Maine, fees included. An S corp election can lower it: LLC vs S corp in Maine.

Annual report is $85 for domestic business entities and $150 for foreign ones; late reports carry a non-waivable penalty.

Questions

How much does it cost to start an LLC in Maine?

$175 to file the Certificate of Formation (MLLC-6).

How much does an LLC cost per year in Maine?

Annual Report, $85 a year.

When is the Maine LLC report due?

June 1 (first report due the year after formation).

Does an LLC pay Maine income tax?

Not by itself, in most cases: a single-member LLC's profit is taxed on the owner's return. Maine taxes personal income in 4 brackets, from 5.8% to 9.15% (2026, single filer).

Other states