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State Filing Data LLC fees by state, read from the source.

Registered agent guide · Maine

Maine Registered Agent Guide (2026): Rules, Fees and the 3 Best Agents

Our Maine answer for 2026 is Mainstay Filing ($149 a year), Maine Registered Agent.co ($99 a year) and ME Registered Agent.org ($99 a year), ranked in that order. Every Maine LLC must keep a registered agent on file. The state's own yearly fees come to $85, 37th of 50.
State Filing Data research desk

Maine numbers

among 50 states on yearly fees

Least expensive state = 1st. The 50-state table

Registered agent required

Yes

Source legislature.maine.gov (October 2026)

Annual report

$85 / yr

Deadline: June 1. Source maine.gov (August 2026)

Yearly state fees

$85

Per year once formed

Maine: our picks

Five criteria, fixed weights, same for every state. Details: methodology.

Our first choice

1. Mainstay Filing: best for companies that may expand

$149 a year · renews at $149

We'd start with Mainstay Filing: $149 a year here or in any other state, renewing at $149.

You would pay $150 more over three years than with Maine Registered Agent.co, for more of the state's paperwork handled.

What you pay for

  • In-state address on the public record
  • Service of process scanned the same business day, no fee
  • First three government mailings a year scanned free
  • Works for LLCs, corporations, LPs, LLPs and nonprofits

For

  • Flat $149/yr
  • One provider for any state

Against

  • $50 a year more than Maine Registered Agent.co
  • Agent only: you file the reports
Visit Mainstay Filing Partner link. We may earn money if you buy.
Maine specialist

2. Maine Registered Agent.co: best for Maine-based founders

$99 a year · renews at $99

Maine Registered Agent.co is our second choice: $99 a year, the same at renewal, for a company that operates in one state.

What you pay for

  • In-state registered office address
  • Online scans of documents served on the company

For

  • Annual price $99, renewal price $99
  • Costs less per year than Mainstay Filing

Against

  • Maine only; other states need their own agent
  • Annual report not included
Visit Maine Registered Agent.co Partner link. We may earn money if you buy.
Maine specialist

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

$99 a year · renews at $99

ME Registered Agent.org is our third choice: $99 a year, the same at renewal, for a company that operates in one state.

Maine Registered Agent.co and this service publish identical prices.

What you pay for

  • In-state registered office address
  • Online scans of documents served on the company

For

  • Annual price $99, renewal price $99
  • Costs less per year than Mainstay Filing

Against

  • Maine only; other states need their own agent
  • Annual report not included
Visit ME Registered Agent.org Partner link. We may earn money if you buy.

The picks in numbers

#ServiceAnnual priceRenewal priceThree-year service fees
1 Mainstay Filing $149$149/yr$447
Visit Mainstay Filing Partner link. We may earn money if you buy.
2 Maine Registered Agent.co $99$99/yr$297
Visit Maine Registered Agent.co Partner link. We may earn money if you buy.
3 ME Registered Agent.org $99$99/yr$297
Visit ME Registered Agent.org Partner link. We may earn money if you buy.

Service prices from each company's own pages, read November 12, 2026. State fees do not change with the agent.

Upkeep calculator

Agent prices plus Maine's yearly state fees (the annual report from year two). Formation fees are left out.

3 years with Mainstay Filing: $170 state + $447 service = $617.

How Maine compares with nearby ranks

RankStateYearly state fees
34th New Jersey$75
36th Connecticut$80
37th Maine$85
38th New Hampshire$100
38th Oregon$100

Full ranking: Registered agent rules by state. 1st is the least expensive.

What Maine requires of a 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.

Who can serve: 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. See 5 M.R.S. § 105.

Yearly state fees for a Maine LLC

Besides the agent, the LLC files the annual report every year for $85, due June 1. Late filings cost $50.

What decided the order

Mainstay Filing over Maine Registered Agent.co came down to state filings covered, a 30% criterion.

Fifty-state coverage outscored Maine Registered Agent.co on our method.

Maine: questions

Does Maine require a registered agent?

Yes. Every LLC must name a registered agent with an in-state street address.

Who can serve as the registered agent?

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.

How much does a registered agent cost in Maine?

Expect $99 to $149 a year.

What does the LLC pay the state each year?

$85 a year on our measure: the annual report ($85 every year).

Which registered agents are on this page?

Mainstay Filing ($149 a year), Maine Registered Agent.co ($99 a year) and ME Registered Agent.org ($99 a year), in the order shown.

Which registered agent would you pick?

We'd use Mainstay Filing: the same $149 agent price in every state, so a growing company keeps one provider. Maine Registered Agent.co and ME Registered Agent.org follow.

More for this state

Sources

  1. Maine Secretary of State, maine.gov, last checked August 2026
  2. Maine Secretary of State, maine.gov, last checked August 2026
  3. Maine report due date, maine.gov, last checked August 2026
  4. 31 M.R.S. sec. 1531, legislature.maine.gov, last checked August 2026
  5. Maine formation fee: Filing fee, official source, legislature.maine.gov, last checked October 2026
  6. Maine registered agent statute, legislature.maine.gov, last checked October 2026
  7. New Jersey Division of Revenue and Enterprise Services, njportal.com, last checked August 2026
  8. New Jersey Division of Revenue and Enterprise Services, njportal.com, last checked August 2026
  9. Connecticut Secretary of the State, Business Services Division, business.ct.gov, last checked August 2026
  10. Connecticut Secretary of the State, Business Services Division, business.ct.gov, last checked August 2026
  11. Connecticut yearly filing: Annual report: fee, official source, business.ct.gov, last checked October 2026
  12. New Hampshire Secretary of State, Corporations Division, sos.nh.gov, last checked August 2026
  13. New Hampshire Secretary of State, Corporations Division, sos.nh.gov, last checked August 2026
  14. Oregon Secretary of State, Corporation Division, sos.oregon.gov, last checked August 2026
  15. Oregon Secretary of State, Corporation Division, sos.oregon.gov, last checked August 2026
  16. Mainstay Filing Maine service page, read November 12, 2026
  17. Maine Registered Agent.co pricing page, read November 12, 2026
  18. ME Registered Agent.org pricing page, read November 12, 2026