3 Best Foreign Registration Services in Maine (2026): Prices Tracked
The best-value foreign registration services for Maine in 2026 are Mainstay Filing ($199), Maine Registered Agent.co ($199) and ME Registered Agent.org ($199), ranked in that order. The registration fee in Maine is $250 for everyone. Service charges come to $397 to $497 over three years.
Tracked by the Filing Price Watch editorial team
Ordered by:
Ordered by five tracked measures, led by cost at 37% and filings covered at 29%
Prices on the watchlist
State registration fee$250maine.gov (pulled October 2026, noted here)
What year one costs$199Provider charges only
Years 1 to 3 combined$397 to $497Renewals included
State total, three years$550Does not vary by provider
Break-evenLines stay apartRanking does not flip
What Maine services charge
Services are ordered by value, and every price comes from a company page. The $250 state fee is kept outside the prices.
#Ordered byPrice in year 1Price at renewalThree-year spend
1
Best value
1. Mainstay Filing: best for the same cost every state
$199 for registration, $149 for the agent after that
Price in year 1$199
Price after year 1$149/yr
Three-year spend$497
Mainstay Filing takes first place in Maine: $199 on top of what Maine charges, then $149 a year for the agent.
Three years cost $100 more here than at Maine Registered Agent.co, but the added filings it covers count for more in the order.
The agent renews at $149 a year in every state.
Price covers
Registration done for you
Registered agent is free in year one
Good in all fifty states
Holds up
Handy if another state follows
The first agent year is paid
$199 above the state fee
Weak spots
$50 above Maine Registered Agent.co at renewal
2
Local pick
2. Maine Registered Agent.co: best for a low-cost registration
$199 for registration, $99 for the agent after that
Price in year 1$199
Price after year 1$99/yr
Three-year spend$397
Spot 2 goes to Maine Registered Agent.co: $199 on top of the state fee, with the first agent year included, followed by $99 each year.
Price covers
Registration done for you
A year of agent service to begin with
Holds up
Then $99 a year
Service charge of $199
Agent service free in year one
Weak spots
Limited to one state
3
Local pick
3. ME Registered Agent.org: best for a single added state
$199 for registration, $99 for the agent after that
Price in year 1$199
Price after year 1$99/yr
Three-year spend$397
Spot 3 goes to ME Registered Agent.org: $199 on top of the state fee, with the first agent year included, followed by $99 each year.
Both the first-year and renewal prices equal Maine Registered Agent.co's.
For the state side of three years we add up the filing fee, the report charged in years two and three and a yearly minimum tax if the state has one. Publication requirements and other open-ended costs are noted in the text, not totaled.
Why this order for Maine
Filings covered by the price gave Mainstay Filing the lead. It makes up 29% of the order, and tracked three-year cost, renewal movement, crossover year and price visibility cover the remainder.
The home state counts as well, and one account for both scored best.
Maine foreign LLC registration fee and rules, as written by the state
The Maine Secretary of State, Division of Corporations, UCC and Commissions collects $250 and the Statement of Foreign Qualification to Conduct Activities (Form MLLC-12) from out-of-state LLCs working in Maine. Send along certificate of existence issued within 90 days.
Operating without registering can mean Maine courts refusing its claims (31 MRSA 1629(1)).
$550 in state fees is the lowest the three years can cost. The list shows what each service puts on top ($397 to $497).
About these prices
How much does it cost to register a foreign LLC with Maine?
$250 for the filing itself, plus $199 if you pay a service for year one.
What do these services cost over three years?
The first year and two renewals total $397 to $497.
What form registers the LLC?
The registration is Statement of Foreign Qualification to Conduct Activities (Form MLLC-12), filed with the Maine Secretary of State, Division of Corporations, UCC and Commissions.
Does Maine ask for a certificate from the home state?
Yes, no more than 90 days old: certificate of existence.
What recurring filing comes after registration?
It is the Annual report for a foreign LLC, at $150.
In what year does one service become pricier than another?
Not in the next ten years. The running totals keep their order.
Which foreign registration service is the best value for Maine?
Mainstay Filing is first, with Maine Registered Agent.co and ME Registered Agent.org after it.