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How to form an LLC in Maine

File a Certificate of Formation with the Maine Secretary of State, Division of Corporations, UCC and Commissions. State filing fee $175.

Start my Maine LLC → Search names on the state site ↗

Due to form

$175

State filing fee

How to file

By mail or in person

Standard 25-30 business days (current backlog); expedited next business day or same day.

Keeping it active

Annual Report

June 1 each year, starting the year after formation. · $85

The steps in Maine

  1. 1

    Choose a name

    It must be distinguishable from other businesses on file and end with “Limited Liability Company”, “Limited Company”, “L.L.C.”, “LLC”, “L.C.”, “LC”, “L3C (low-profit)”. 31 MRSA 1508. Professional LLCs under 13 MRSA ch. 22-A. You can reserve a name first for $20 (optional).

  2. 2

    Appoint a registered agent

    Commercial (CRA public number + name) or noncommercial agent with Maine physical address (no PO box). The agent must agree to serve — LLCPros prepares a consent for them to sign.

  3. 3

    File the Certificate of Formation

    File with the Maine Secretary of State, Division of Corporations, UCC and Commissions (form MLLC-6). File by mail or in person. Maine requires its own form or online system: LLCPros gives you a worksheet with every answer to copy in. Fee: $175.

  4. 4

    Sign an operating agreement

    Not filed with the state, and not required by Maine law, but banks and partners often ask for one. LLCPros prepares one from your answers.

  5. 5

    Get an EIN and keep up with reports

    Get a free Employer Identification Number from the IRS, open a business bank account, then file the Annual Report (june 1 each year, starting the year after formation.).

Fees

Filing fee — Certificate of Formation$175
Optional: 24-hour (next business day) expedite+$50
Optional: Immediate (same business day) expedite+$100
Optional: name reservation$20
Later: Annual Report$85

31 MRSA 1680. One expedite fee covers multiple documents for the same entity.

State taxes to know about

No franchise tax on LLCs; taxed per federal classification by Maine Revenue Services.

Questions about Maine LLCs

›How much does it cost to form an LLC in Maine?

The Maine filing fee for the Certificate of Formation is $175. Optional expedited processing costs more.

›What document forms an LLC in Maine?

You file a Certificate of Formation (form MLLC-6) with the Maine Secretary of State, Division of Corporations, UCC and Commissions.

›Does Maine require a registered agent?

Yes. Commercial (CRA public number + name) or noncommercial agent with Maine physical address (no PO box).

›Does a Maine LLC file an annual report?

Yes: the Annual Report, june 1 each year, starting the year after formation., fee $85.

Double-check with the state

We could not confirm these on an official Maine page when we last checked (November 12, 2026). Your filing plan lists them too.

  • When the annual (or biennial) report is due, and its fee
  • The link to the state’s business name search
  • Exactly what the state’s form or online filing asks for
Self-help, not legal or tax advice. LLCPros is not a law firm, does not give legal or tax advice, and is not affiliated with any state or federal agency. We prepare documents from your answers and your state’s published rules; you file them and pay the state’s fees directly. Rules and fees change — check the official state links before filing, and talk to a lawyer or accountant about your situation.