Skip to content
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 · registered agent

3 Best Registered Agents in Maine (2026)

Researched and written by the Launchwise Review editorial team
For a 2026 launch in Maine, Launchwise Review grades registered agents this way: ME Registered Agent.org ($99 a year), Mainstay Filing ($149 a year) and Maine Registered Agent.co ($99 a year). ME Registered Agent.org earns the top grade here: a flat $99 a year, with scans of papers served on the company in your account.
1
Our top pick in Maine

1. ME Registered Agent.org: best for the smallest annual bill we rank here

$99 a year, flat

Our mark 9.6 out of 10

Top grade, ME Registered Agent.org: $99 a year, with no jump at renewal, the lowest yearly price on this list.

ME Registered Agent.org puts its in-state street address on file as the company's registered office and scans served legal papers to you.

On a three-year bill it comes in under Mainstay Filing, and that is a heavily weighted criterion for us.

In the price

  • A state street address on file as the registered office
  • Whatever is served on the company is scanned into your account

Pros

  • Yearly price under Mainstay Filing's
  • A $99 yearly plan with a steady renewal price
  • Can form your LLC and cover the first agent year

Less good

  • You still file the annual report
  • Made for Maine; other states need their own agent
Visit ME Registered Agent.orgPartner link. We may earn money if you buy.
Read the ME Registered Agent.org launch review
2
Best for growing companies

2. Mainstay Filing: best for all fifty states

$149 a year, flat

Our mark 9.4 out of 10

Next up is Mainstay Filing: the price stays $149 a year if you stay put or expand, and your first three government letters each year are scanned free.

Launching a new company? The $199 yearly package also takes care of the Maine filing and the annual report.

ME Registered Agent.org is $150 lower across three years, which puts Mainstay Filing behind it on cost.

In the price

  • A registered office street address in any state you need
  • Anything served on the company scanned the same business day at no fee
  • Your first three government letters each year, scanned free
  • Compliance reminders

Pros

  • Works for LLCs, corporations, LPs, LLPs and nonprofits
  • Your first three government letters each year are scanned free
  • Papers served on the company are scanned the same business day, free
  • $149 a year and it does not rise

Less good

  • The agent plan alone costs $50 a year more than ME Registered Agent.org
  • Without the formation package, you file the annual report yourself
Visit Mainstay FilingPartner link. We may earn money if you buy.
Read the Mainstay Filing launch review
3
Built for Maine

3. Maine Registered Agent.co: best for Maine specialists

$99 a year, flat

Our mark 9.2 out of 10

Rounding out the list is Maine Registered Agent.co: $99 a year, with no jump at renewal, the lowest yearly price on this list.

Maine Registered Agent.co handles the registered office with a state street address and scans whatever is served there for you.

Nothing in the published price or features separates ME Registered Agent.org from Maine Registered Agent.co; go with whichever you like.

In the price

  • A registered office address inside the state
  • Served documents are scanned so you can read them online

Pros

  • $99 a year, and it does not change at renewal
  • Yearly price under Mainstay Filing's
  • Can form your LLC and cover the first agent year

Less good

  • You still file the annual report
  • Made for Maine; other states need their own agent
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 Per year At renewal Best fit Go
1 ME Registered Agent.org 9.6 $99 $99/yr The lowest yearly price among the picks we rank here Visit ME Registered Agent.orgPartner link. We may earn money if you buy.
2 Mainstay Filing 9.4 $149 $149/yr An agent for every state you may enter Visit Mainstay FilingPartner link. We may earn money if you buy.
3 Maine Registered Agent.co 9.2 $99 $99/yr The lowest yearly price among the picks we rank here Visit Maine Registered Agent.coPartner link. We may earn money if you buy.
Each grade out of 10 reflects our editors' reading of the weighted criteria on How we rank, not a customer rating.

Maine registered agent cost in 2026: first year, renewals, three-year total

Company Year 1 Year 2 Year 3 Three years, total Renewal price matches
ME Registered Agent.org $99 $99 $99 $297 Yes
Mainstay Filing $149 $149 $149 $447 Yes
Maine Registered Agent.co $99 $99 $99 $297 Yes
Prices were copied from each company's own pages on November 12, 2026. Maine's own fees do not change with your choice of agent.

How we graded this list

Launchwise Review puts 26% on cost to launch and stay and 26% on launch paperwork handled, then spreads 48% over renewal behavior, state match and price transparency. For Maine, the call came down to cost to launch and stay.

ME Registered Agent.org comes to $297 over three years, $150 under Mainstay Filing. A launch that only needs an agent in Maine gets little from fifty-state reach, so the lower yearly price took it.

Every criterion and weight is listed on How we rank.

Maine registered agent rules, straight from Maine Secretary of State

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. Law behind it: 5 M.R.S. § 105.

Maine annual report: date and fee

Put the annual report on your Maine calendar every year. Count on a $85 state charge, with the deadline at June 1. Miss it and $50 gets added. Your registered agent receives the state's notices about it.

Quick answers about Maine registered agents

Do I have to line up a registered agent before launching a Maine LLC?

Yes. Put a registered agent with a physical Maine address on the paperwork, because the state will not accept an LLC without one.

What should I budget each year for a Maine registered agent?

Expect $99 to $149 a year, and each company keeps its price at renewal.

Could I just serve as my own registered agent?

Often yes, if you meet the state's conditions. A commercial registered agent listed with the Secretary of State, or a noncommercial agent: an individual or entity serving as agent in Maine, or the holder of a named position in the company.

When does the Maine annual report come due?

Put June 1 on your calendar. The state asks $85, and a late filing adds $50.

Which registered agents are graded on this page?

ME Registered Agent.org ($99 a year), Mainstay Filing ($149 a year) and Maine Registered Agent.co ($99 a year), top grade first.

Which Maine registered agent should a new company pick first?

ME Registered Agent.org, because a Maine specialist at $99 a year, supplying an in-state street address for the registered office.

Related pages

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. From ME Registered Agent.org: pricing and service pages, copied November 12, 2026
  8. From Mainstay Filing: Maine service page, copied November 12, 2026
  9. From Maine Registered Agent.co: pricing and service pages, copied November 12, 2026