Starting an LLC in Maine
What it costs, what you file and what you owe afterwards. Every figure below came from the state's own pages.
Forming an LLC in Maine costs $175 to file the Certificate of Formation (Form MLLC-6) with the Maine Secretary of State, Division of Corporations, UCC and Commissions. After that, Annual Report (Form MLLC-13) is due june 1 each year; the first report is filed between January 1 and June 1 of the year after formation.
What it costs
| What | Amount | When |
|---|---|---|
| Certificate of Formation (Form MLLC-6) | $175 | Once, when the LLC is formed |
| Annual Report (Form MLLC-13) | $85 | June 1 each year; the first report is filed between January 1 and June 1 of the year after formation. |
Registered agent
Maine requires one. Maine distinguishes commercial agents (identified by a CRA public number) from noncommercial agents, who need a physical street address rather than a PO box, and the agent must have consented to serve.
What you owe after year one
June 1 each year; the first report is filed between January 1 and June 1 of the year after formation.
Missing it is the most common way a good standing lapses, and restoring one costs more than filing on time.
The official pages
- Maine Secretary of State, Division of Corporations, UCC and Commissions
- Search the register for your name
- File the Certificate of Formation (Form MLLC-6)
- Report filing and due dates
Read from the source, 2, 3, 4 on 2026-09-04. Fees change, so check the state page before filing. SideKix has no relationship with any state agency and takes nothing for sending you there.
Before you file
- Sole proprietor, LLC or S corp, what actually differs, with no recommendation
- What it will cost to start, because the filing fee is the small part
- Whether the name is still free, checked against the registries themselves
- What to do first if the idea is still an idea
Another state
SideKix, “How much does an LLC cost in Maine?”, checked 2026-09-04. https://sidekixhq.com/start-an-llc-in-maine.html
Questions people ask
How much does it cost to start an LLC in Maine?
The state filing fee for the Certificate of Formation (Form MLLC-6) is $175.
What form do I file to start an LLC in Maine?
The Certificate of Formation (Form MLLC-6), filed with the Maine Secretary of State, Division of Corporations, UCC and Commissions.
Does Maine require an annual report for an LLC?
June 1 each year; the first report is filed between January 1 and June 1 of the year after formation.
Do I need a registered agent in Maine?
Yes. Maine distinguishes commercial agents (identified by a CRA public number) from noncommercial agents, who need a physical street address rather than a PO box, and the agent must have consented to serve.