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Formation Scorecard

Registered agent scorecard · Maine

3 Best Registered Agents in Maine (2026)

On the Formation Scorecard 2026 scorecard for registered agents in Maine the order reads Mainstay Filing ($149 a year), Maine Registered Agent.co ($99 a year) and ME Registered Agent.org ($99 a year). Mainstay Filing posts the top score: $149 yearly for an agent that fits a company in one state or in fifty, with the first three government mailings each year scanned free.
Researched and written by the Formation Scorecard editorial team
Rank #1 Best here

1. Mainstay Filing: best for every state

9.1 Editor score out of 10
$149 a year, no change on renewal

Mainstay Filing leads the card: $149 a year with no bump at renewal, and papers served on the company are scanned the same business day for free.

Not formed yet? Mainstay's $199-a-year formation package covers the Maine filing along with the annual report.

Mainstay's three-year total sits $150 above Maine Registered Agent.co's, which the extra coverage earns back in our scoring.

What you get

  • A registered office address in whichever state you need
  • Legal papers served on the company scanned free on the same business day
  • Free scans for three government mailings a year
  • Compliance reminders

Strengths

  • $149 a year with no renewal step-up
  • Fits LLCs, corporations, LPs, LLPs and nonprofits
  • First three government mailings each year scanned free
  • Served papers scanned on the day they arrive, free

Watch for

  • Agent service alone costs $50 a year more than Maine Registered Agent.co
  • You file your own annual report on the agent-only plan
Visit Mainstay FilingPartner link. We may earn money if you buy. Mainstay Filing: the full write-up
Rank #2 Lower renewal than Mainstay

2. Maine Registered Agent.co: best for the lowest yearly rate on this list

8.9 Editor score out of 10
$99 a year, no change on renewal

Maine Registered Agent.co takes second spot: a Maine specialist at $99 a year that supplies an in-state registered office street address.

Maine Registered Agent.co puts a street address in the state on record for the company and scans served papers into your account.

What you get

  • An in-state street address kept on the public record
  • Papers delivered to the registered office are scanned for you

Strengths

  • $99 per year, no step-up at renewal
  • Costs less per year than Mainstay Filing
  • Can form the LLC and include the first agent year

Watch for

  • You file the annual report yourself
  • Limited to Maine; other states need another agent
Visit Maine Registered Agent.coPartner link. We may earn money if you buy. Maine Registered Agent.co: the full write-up
Rank #3 Maine-focused

3. ME Registered Agent.org: best for Maine-based companies

8.7 Editor score out of 10
$99 a year, no change on renewal

ME Registered Agent.org takes third spot: a Maine specialist at $99 a year that supplies an in-state registered office street address.

ME Registered Agent.org stands in as the company's registered office, receives served papers and posts scans of them to your online account.

The published prices and features do not separate Maine Registered Agent.co from ME Registered Agent.org; choose whichever you like.

What you get

  • The in-state street address the state expects on file
  • Scans of served documents appear in your account online

Strengths

  • $99 annually, same when it renews
  • Can form the LLC and include the first agent year
  • Costs less per year than Mainstay Filing

Watch for

  • You file the annual report yourself
  • Limited to Maine; other states need another agent
Visit ME Registered Agent.orgPartner link. We may earn money if you buy. ME Registered Agent.org: the full write-up

The 3 entries on one card

Place Service Card score Yearly cost Renews at Best for Go
1 Mainstay Filing 9.1 $149 $149/yr An agent for every state Visit Mainstay FilingPartner link. We may earn money if you buy.
2 Maine Registered Agent.co 8.9 $99 $99/yr The lowest yearly price we rank here Visit Maine Registered Agent.coPartner link. We may earn money if you buy.
3 ME Registered Agent.org 8.7 $99 $99/yr The lowest yearly price we rank here Visit ME Registered Agent.orgPartner link. We may earn money if you buy.

The marks out of 10 come from our editors and follow the weights on How we rank; none of them is a customer rating.

Maine registered agent cost in 2026: first year, renewal and the three-year tally

Service First year Second year Third year Three-year tally Holds its price at renewal
Mainstay Filing $149 $149 $149 $447 Yes
Maine Registered Agent.co $99 $99 $99 $297 Yes
ME Registered Agent.org $99 $99 $99 $297 Yes

Each price comes from the company's own site, read on November 12, 2026. Maine charges its own fees the same way whichever agent you name.

The case for Mainstay Filing in first

Points here: 25% for cost across three years, 25% for coverage of the price and 50% across renewal terms, state-by-state fit and pricing clarity. Maine came down to coverage of the price.

The Mainstay agent plan earns more coverage points: papers served on the company are scanned the same business day for free, one price holds in all fifty states and three government mailings a year are scanned at no charge. Maine Registered Agent.co wins on cost, so the two finish close.

Every criterion and weight appears on How we rank.

What Maine Secretary of State requires of a Maine registered agent (official)

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. Statute: 5 M.R.S. § 105.

The Maine annual report: fee, due date and your agent

Maine LLCs file the annual report every year. The fee is $85 and the date is June 1. Filing late means $50 more. The state sends related notices to your registered agent.

Maine registered agent: quick questions

Is a Maine LLC obliged to keep a registered agent?

It is. Maine wants every LLC to have a registered agent on file, and that agent must hold a street address inside the state.

What is the going yearly rate for a registered agent in Maine?

Yearly prices span $99 to $149, and each service holds its price when it renews.

Is it allowed to serve as my own registered agent?

Yes, if you satisfy 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 must the Maine annual report be filed?

The deadline is June 1. The state's fee is $85. A late filing is penalized with $50.

Which registered agents sit on this card?

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

Which Maine registered agent scores best on value?

Mainstay Filing, since a $149 agent plan that travels to any state, renewing at $149.

Read next

Where the figures come from

  1. Maine Secretary of State, as of August 2026
  2. Maine Secretary of State, as of August 2026
  3. Maine report due date, as of August 2026
  4. 31 M.R.S. sec. 1531, as of August 2026
  5. Maine formation fee: Filing fee, official source, as of October 2026
  6. Maine registered agent statute, as of October 2026
  7. Read on November 12, 2026: Maine service page for Mainstay Filing
  8. Read on November 12, 2026: pricing and service pages for Maine Registered Agent.co
  9. Read on November 12, 2026: pricing and service pages for ME Registered Agent.org