Maine Foreign LLC Registration (2026): Fees and the 3 Best Services
In 2026 we'd hire ME Registered Agent.org ($199), Mainstay Filing ($199) and Maine Registered Agent.co ($199) for foreign LLC registration in Maine, in that order. On the state's schedule a foreign LLC pays $250 up front and $150 per report, 35th of 50 over three years.
An LLC formed elsewhere files the Statement of Foreign Qualification to Conduct Activities (Form MLLC-12) with the Maine Secretary of State, Division of Corporations, UCC and Commissions and pays $250. Include certificate of existence, at most 90 days.
Recurring filing: Annual report for a foreign LLC ($150), June 1.
Checklist
Certificate of existence, dated within 90 days.
Legal name plus the date the LLC was formed.
An in-state registered agent, which each listed service supplies.
Payment of the $250 official fee.
Penalties for not registering in Maine
Lawsuits it tries to bring are blocked until the registration is on file (31 MRSA 1629(1)).
The reasoning
Service fees over three years is worth 35% of the score, and it put ME Registered Agent.org ahead of Mainstay Filing here.
Over three years ME Registered Agent.org charges $397 in service fees, $100 less than Mainstay Filing.
Questions
How much does it cost to register a foreign LLC in Maine?
$250 at the state office. Add $199 for a service.
Which form registers a foreign LLC in Maine?
File Statement of Foreign Qualification to Conduct Activities (Form MLLC-12) with the Maine Secretary of State, Division of Corporations, UCC and Commissions.
Do I need a certificate from my home state?
Yes: certificate of existence, dated within 90 days of filing.
What does a foreign LLC file after registering?
The Annual report for a foreign LLC, $150.
What if the LLC does business there without registering?
Lawsuits it tries to bring are blocked until the registration is on file (31 MRSA 1629(1)).
Is a registered agent needed there?
Every LLC must name a registered agent with an in-state street address.
Who should file the registration?
ME Registered Agent.org, then Mainstay Filing and Maine Registered Agent.co. ME Registered Agent.org leads on service fees over three years.