The short route
Required by the state?
Yes, name one
Name used by the state
Registered agent
Price of an agent
$99 to $149 per year
Our ranking
ME Registered Agent.org, Mainstay Filing then Maine Registered Agent.co
Our Maine shortlist
Want to know why this order? See how we rank .
#1
First recommendation
1. ME Registered Agent.org: best for one-state companies
Pay $99 a year; it renews at $99
ME Registered Agent.org is our first recommendation because a company that never leaves Maine pays $297 over three years.
Cost decides this one, since the three-year bill is lower than at Mainstay Filing.
Checklist: what is included
An address in the state Document scans online
What works
Price fixed at $99 yearly Costs less per year than Mainstay Filing
Gaps
Single-state coverage The annual report stays on your checklist
#2
Works in every state
2. Mainstay Filing: best for owners who plan to grow
Pay $149 a year; it renews at $149
Next, consider Mainstay Filing: the price does not change by state: $149 a year, $149 at renewal.
A $150 three-year difference to ME Registered Agent.org explains the lower rank.
Checklist: what is included
An address of record in the state Free scans of three government mailings per year Works for LLCs, corporations, LPs, LLPs and nonprofits
What works
Only $149 a year One price in all fifty states
Gaps
Higher yearly bill by $50 Nothing beyond the agent role
#3
In-state option
3. Maine Registered Agent.co: best for staying local
Pay $99 a year; it renews at $99
Maine Registered Agent.co is third, because a company that never leaves Maine pays $297 over three years.
Both publish identical prices, so pick whichever you like better.
Checklist: what is included
An address in the state Document scans online
What works
Costs less per year than Mainstay Filing Price fixed at $99 yearly
Gaps
Single-state coverage The annual report stays on your checklist
Price comparison
We read these prices on November 13, 2026, and three years means year one plus two renewals.
Step by step
Is naming a registered agent a legal duty?
Every LLC must name a registered agent with an in-state street address.
Who may 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.
When you fit the rule, you can fill the role for free.
What should I budget for an agent?
Yearly prices start at $99 to $149, and three years total $297 to $447.
No state fee depends on your choice of agent.
Why does the state want an agent?
It collects lawsuits and official state mail for the LLC at an address in Maine.
Which yearly state charges apply?
Set aside $85 each year for the annual report. Write down the state's date, June 1.
What put the first pick on top?
ME Registered Agent.org wins on total for three years, a 37% check.
Start with total for three years, then filing jobs included, then three smaller checks.
On cost, ME Registered Agent.org wins at $297, a saving of $150 against Mainstay Filing.
See the scoring
Maine checklist, with sources
To check the three-year number, add the formation filing, the next two reports and any minimum tax; costs with no fixed price are not counted.
Key terms here
Registered agent
Whoever you appoint to receive your LLC's legal papers, reachable at a street address inside the state.
Service of process
The formal delivery of a lawsuit or other court papers. Your registered agent receives them for the LLC.
Registered office
An in-state location tied to your agent, used by the state for notices.
FAQ
May I name myself as agent?
Yes, if you meet the state rules on who can serve and on the address, both shown above.
What type of address qualifies?
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.
How do the three-year costs compare?
ME Registered Agent.org adds up to $297, Mainstay Filing adds up to $447, Maine Registered Agent.co adds up to $297
Where do you get the fees?
For state costs we use Maine's published fee schedules and forms. For service costs we use each company's price page.
Does the state require a service?
No. A service charges for labor and the agent role, not for anything the state demands.
Who is your first choice in Maine?
ME Registered Agent.org comes first: one state, $99 a year, $99 after renewal. Next, Mainstay Filing and Maine Registered Agent.co.
Verify these facts
Maine Secretary of State: confirmed August 2026 using maine.gov
Maine Secretary of State: confirmed August 2026 using maine.gov
Maine report due date: confirmed August 2026 using maine.gov
31 M.R.S. sec. 1531: confirmed August 2026 using legislature.maine.gov
Maine formation fee: Filing fee: confirmed October 2026 using legislature.maine.gov
Maine registered agent statute: confirmed October 2026 using legislature.maine.gov
Prices read November 13, 2026 from the ME Registered Agent.org pricing page
Prices read November 13, 2026 from the Mainstay Filing Maine service page
Prices read November 13, 2026 from the Maine Registered Agent.co pricing page