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Researched and written by the Launchwise Review editorial team
Launchwise Review

Rankings of registered agents, LLC formation and foreign registration services in all 50 states.

Launch guide · Maine · foreign registration

3 Best Foreign Registration Services in Maine (2026)

Researched and written by the Launchwise Review editorial team
For a 2026 launch in Maine, Launchwise Review grades foreign registration services this way: ME Registered Agent.org ($199), Mainstay Filing ($199) and Maine Registered Agent.co ($199). ME Registered Agent.org earns the top grade here: it registers the company in Maine for $199, first agent year included, then $99 a year.
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Number one here

1. ME Registered Agent.org: best for companies adding only Maine

Pay $199 plus the state fee, then $99 a year for the agent

Our mark 9.5 out of 10

Top grade, ME Registered Agent.org: $199 beyond the state fee gets the company into Maine, with the agent renewing at $99.

You get an in-state street address for the registered office, and any papers served on the company are scanned into your online account.

Three years of its fees come to less than Mainstay Filing charges.

In the price

  • Foreign registration done for you
  • One year of registered agent service to begin with

Pros

  • $199 covers the registration work, fees extra
  • Second-year agent price: $99
  • Year-one registered agent duty is covered

Less good

  • Maine only; the home state needs its own agent
  • EIN application costs extra ($99)
Visit ME Registered Agent.orgPartner link. We may earn money if you buy.
Read the ME Registered Agent.org launch review
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Fifty-state coverage

2. Mainstay Filing: best for founders working in several states

$199 for the service, $499 due at checkout including the state fee; agent service is $149 a year from the second year

Our mark 9.0 out of 10

Next up is Mainstay Filing: $199 beyond the state's fee in whichever state you enter, with year-one registered agent service free.

Once the free first year ends, the agent is $149 a year, in any state.

ME Registered Agent.org is $100 lower across three years, which puts Mainstay Filing behind it on cost.

In the price

  • The registration filing, done for you
  • The first registered agent year at no charge
  • Papers served on the company scanned and uploaded the same business day, no charge

Pros

  • One price in every state
  • Papers served on the company are scanned the same business day, free
  • $199 for the service, with the state fee added
  • Registered agent service is free the first year

Less good

  • The agent costs $149 a year after year one, $50 above ME Registered Agent.org
Visit Mainstay FilingPartner link. We may earn money if you buy.
Read the Mainstay Filing launch review
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Best local option

3. Maine Registered Agent.co: best for Maine registrations only

Pay $199 plus the state fee, then $99 a year for the agent

Our mark 8.8 out of 10

Rounding out the list is Maine Registered Agent.co: $199 beyond the state fee gets the company into Maine, with the agent renewing at $99.

You get an in-state street address for the registered office, and any papers served on the company are scanned into your online account.

Their posted prices and features match, so ME Registered Agent.org and Maine Registered Agent.co grade as a near tie.

In the price

  • Foreign registration done for you
  • The first year of registered agent service

Pros

  • Covers the first year of registered agent service
  • Registers the company for $199, state fee extra
  • Then $99 a year to keep the agent

Less good

  • Maine only; the home state needs its own agent
  • EIN application costs extra ($99)
Visit Maine Registered Agent.coPartner link. We may earn money if you buy.
Read the Maine Registered Agent.co launch review

The 3 grades at a glance

Place Company Launch grade Service price Second year Best fit Go
1 ME Registered Agent.org 9.5 $199 $99/yr The lowest agent renewal on this page Visit ME Registered Agent.orgPartner link. We may earn money if you buy.
2 Mainstay Filing 9.0 $199 $149/yr Founders opening a second state Visit Mainstay FilingPartner link. We may earn money if you buy.
3 Maine Registered Agent.co 8.8 $199 $99/yr The lowest agent renewal on this page Visit Maine Registered Agent.coPartner link. We may earn money if you buy.
Launchwise Review assigns every grade out of 10 itself using the criteria on How we rank; no customer ratings go into it.

Maine foreign registration service cost in 2026: first year, renewals, three-year total

Company Year 1 Year 2 Year 3 Three years, total Agent covered, year one
ME Registered Agent.org $199 $99 $99 $397 Included
Mainstay Filing $199 $149 $149 $497 Free
Maine Registered Agent.co $199 $99 $99 $397 Included
Prices were copied from each company's own pages on November 12, 2026. Add Maine's $250 registration fee to any row; it is not in the totals.

How we graded this list

At Launchwise Review, cost to launch and stay and launch paperwork handled each count for 26% of a grade, and renewal behavior, state match and price transparency split the remaining 48%. In Maine, cost to launch and stay made the call.

ME Registered Agent.org comes to $397 over three years, $100 under Mainstay Filing. Both include year one, so the renewal price broke the tie.

Every criterion and weight is listed on How we rank.

Opening in Maine as a foreign LLC: fee, form and office

Your registration goes to the Maine Secretary of State, Division of Corporations, UCC and Commissions, on the Statement of Foreign Qualification to Conduct Activities (Form MLLC-12). Budget $250 for the state. Have certificate of existence in hand too, dated within 90 days of filing; Maine asks for it.

Calendar item for later: the Annual report for a foreign LLC at $150, due June 1.

Before you file, get these together

  • Certificate of existence, issued within 90 days of your filing date.
  • Your company's exact legal name and the date it was formed at home.
  • A registered agent with a street address in the state; every company graded on this page can serve.
  • The $250 state fee, ready to pay with the filing.
  • A calendar reminder for the Annual report for a foreign LLC and its $150 fee.

What skipping Maine registration can cost you

Without registration, an outside LLC cannot bring a lawsuit in Maine courts (31 MRSA 1629(1)).

Quick answers about Maine foreign registration services

When does an LLC from elsewhere have to register in Maine?

Once it does business there. Until then it cannot bring a lawsuit in the state's courts.

What should I budget to bring an existing LLC into Maine?

The state fee is $250; add a service fee of $199.

Which form brings a foreign LLC into Maine?

Ask the Maine Secretary of State, Division of Corporations, UCC and Commissions for the Statement of Foreign Qualification to Conduct Activities (Form MLLC-12).

Do I need a document from my home state first?

Yes, order certificate of existence and file within 90 days of its date.

Does the foreign LLC still need a registered agent?

Yes. Keep a registered agent with a street address in the state for as long as the company is registered there.

Which service is the best way to register a foreign LLC in Maine?

ME Registered Agent.org, because $199 plus the state fee, year-one registered agent service included, then $99 a year for the agent.

More from us

Sources and dates

  1. Maine Secretary of State, dated August 2026
  2. Maine Secretary of State, dated August 2026
  3. Maine report due date, dated August 2026
  4. 31 M.R.S. sec. 1531, dated August 2026
  5. Maine formation fee: Filing fee, official source, dated October 2026
  6. Maine registered agent statute, dated October 2026
  7. Maine Secretary of State, foreign entities, dated October 2026
  8. Form MLLC-12, dated October 2026
  9. 31 MRSA § 1622, foreign qualification, dated October 2026
  10. 31 MRSA § 1623, activities that do not require qualification, dated October 2026
  11. 31 MRSA § 1629, consequences of not qualifying, dated October 2026
  12. From ME Registered Agent.org: pricing and service pages, copied November 12, 2026
  13. From Mainstay Filing: Maine service page, copied November 12, 2026
  14. From Maine Registered Agent.co: pricing and service pages, copied November 12, 2026