Foreign LLC Registration in Maine (2026): 5 Moves and the 3 Best Services
Our 2026 marks for registering an LLC from another state in Maine: Mainstay Filing ($199), ME Registered Agent.org ($199) and Maine Registered Agent.co ($199), highest first. The primer runs 5 moves: the filing, the $250 fee and what you owe after.
From the Founder Primer desk
Need to know
Registration fee
$250
Check it yourself at maine.gov; we read it in October 2026
Home certificate
90 days
How old it can be
Report fee
$150
Annual report for a foreign LLC
What the state collects in 3 years
$550
Registration, reports, any minimum tax
Moves in this primer
5
First to last
You will know
When the rule applies
The filing, its fee and its office
What follows registration
Which services we pick and why
Our picks for Maine
Three-year cost and to-dos cleared weigh the most. How we score lists all five criteria.
First choiceService $199; renewal $149 a year
1. Mainstay Filing: best for one vendor for both states
First place goes to Mainstay Filing because $199 plus state fees to register, with the registered agent free for the first year.
ME Registered Agent.org is $100 cheaper over three years; this one still places higher because it does more of the work.
Year two onward, the agent runs $149 annually, and that holds in every state.
Inside the price
Registration filing
Registered agent free in year one
Any state, one price
In its favor
A $199 service fee
Ready for another state
First agent year included
Against it
ME Registered Agent.org's agent renewal is $50 lower
Local optionService $199; renewal $99 a year
2. ME Registered Agent.org: best for one extra state
ME Registered Agent.org takes second; $199 plus the state fee, first agent year included, then $99 a year.
Inside the price
The Maine registration, prepared and sent
One year of agent service
In its favor
$99 a year for the agent after
Agent covered in year one
$199 plus the state fee
Against it
Maine only; your home state needs its own agent
Local optionService $199; renewal $99 a year
3. Maine Registered Agent.co: best for registering in Maine only
Maine Registered Agent.co takes third; $199 plus the state fee, first agent year included, then $99 a year.
ME Registered Agent.org and this service charge alike.
Each company's listed price on November 13, 2026. No row includes the $250 state fee.
The Maine registration, in order
Move 1
When registration is required
If your out-of-state LLC does business in Maine, register as a foreign LLC first. What skipping it does: Until it registers, the LLC cannot sue in the state's courts (31 MRSA 1629(1)).
Where this comes from: Check it yourself at legislature.maine.gov; we read it in October 2026
Move 2
Order the certificate from home
Attach certificate of existence, from the past 90 days.
Leave this for just before you file.
Move 3
Line up a Maine registered agent
Every LLC must name a registered agent with an in-state street address. A noncommercial agent lists a physical street address in Maine, not a P.O. box. Commercial agents keep their address on file with the state.
Where this comes from: Check it yourself at legislature.maine.gov; we read it in October 2026
Move 4
Fill in and send the Statement of Foreign Qualification to Conduct Activities
the Maine Secretary of State, Division of Corporations, UCC and Commissions wants the filing above and $250.
Where this comes from: Check it yourself at maine.gov; we read it in October 2026
Move 5
Keep it going
The repeat item is the Annual report for a foreign LLC at $150, June 1.
Maine costs by move
Cost item
Goes to
Total
Registering the LLC
State office
$250
Annual report for a foreign LLC
State office
$150
Optional service
Service company
$199 in the first year
Three years of state fees
State office
$550
Filing plus the reports in years two and three plus any minimum tax: that is the state's three-year total. Sources are listed below.
How we ordered the Maine picks
edged out on to-dos the price takes off you, worth 38%.
The LLC was formed in one state and works in another, so a provider that serves both scored best.
Maine questions
What does an LLC from elsewhere pay to register in Maine?
$250 as the official fee. Service fees: $199.
Which form do I file to register?
Use the Statement of Foreign Qualification to Conduct Activities (Form MLLC-12); the Maine Secretary of State, Division of Corporations, UCC and Commissions receives it.
Do I need a certificate from my home state?
Yes: certificate of existence, issued within 90 days of filing.
What if the LLC does business there without registering?
Until it registers, the LLC cannot sue in the state's courts (31 MRSA 1629(1)).
What is due after registering?
Plan for the Annual report for a foreign LLC, which costs $150.
Which service should handle the registration?
Mainstay Filing, ME Registered Agent.org and Maine Registered Agent.co, best mark first.