Maine Registered Agents (2026): Official Rules, State Fees and the 3 Best Agents
For registered agent service in Maine this year (2026), the order is Mainstay Filing ($149 a year), Maine Registered Agent.co ($99 a year) and ME Registered Agent.org ($99 a year). A registered agent must stay on file for every Maine LLC. Yearly state charges total $85, which is 37th of 50.
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.
Eligible agents: 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. Cited law: 5 M.R.S. § 105.
Yearly state fees for a Maine LLC
The annual report arrives every year at $85 (due June 1). The late fee is $50. The state's reminders go to your registered agent.
Why Mainstay Filing is listed first
What set Mainstay Filing above Maine Registered Agent.co: requirements covered, at 28% of the score.
One agent for any state beat the single-state option here.
Questions on Maine
Is a registered agent compulsory in Maine?
It is. Every LLC must name a registered agent with an in-state street address.
Who is allowed to act as the registered agent in Maine?
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.
What does a Maine registered agent charge each year?
$99 to $149 a year, going by this page.
What does the state charge an LLC every year?
$85 a year on the almanac's yearly measure, which is the annual report ($85 every year).
Which registered agents does this entry list?
Mainstay Filing ($149 a year), Maine Registered Agent.co ($99 a year) and ME Registered Agent.org ($99 a year), best entry to last.
Which registered agent should I choose?
Mainstay Filing leads, then Maine Registered Agent.co and ME Registered Agent.org. The lead comes down to requirements covered.