Independent comparison of registered agent services for Maine LLCs and corporations.
Reviewed against Maine Secretary of State, Bureau of Corporations guidance · Updated 2026-04-30
If you have just decided to form a Maine LLC, the registered agent question follows the entity name and structure decisions. 31 M.R.S. §1574 requires the agent at formation; the Maine Secretary of State, Bureau of Corporations treats the designation as binding until a Statement of Change is filed. Below, four services compared on the metrics that actually differ. The Maine comparison below covers the four registered agent services most Maine LLCs realistically consider in 2026.
In Maine, the registered agent’s job is heavier than the statutory floor implies. Maine’s $85 annual report is due every June 1 — one of the higher annual report fees outside Delaware and Maryland — and Maine accepts only individual or noncommercial agent designations or registered Maine commercial clerks for the agent role. The practical reason this matters when picking a provider: Maine’s ‘clerk’ terminology for LLC agents and the June 1 annual deadline — the clerk receives every official communication including the $85 annual report reminder.
For Maine businesses, the three traits that separate good providers from passable ones are (1) reliable same-day handling of service of process from Maine state and federal courts, (2) accurate, deadline-aware reminders calibrated to Maine’s specific annual cycle (annually by June 1), and (3) an online dashboard that shows scanned mail within hours, not days. All four services we ranked clear the 31 M.R.S. §1574 eligibility bar; the meaningful differences are in execution. Northwest leans privacy-first, Mainstay Filing leans value-first, ZenBusiness leans formation-bundle-first, and LegalZoom leans brand-and-phone-support-first.
The Maine-specific filings that hinge on having a reliable registered agent:
Across all of these dates, the registered agent is the routing point for Maine Secretary of State, Bureau of Corporations mail, state tax notices, and service of process. A reliable provider turns the Maine compliance calendar into a passive maintenance task; an unreliable one turns it into a recurring fire drill.
Physical-address-only operations; mail forwarding; same-day filing.
Best balance of price and features for most businesses. Includes mail forwarding, online dashboard, and same-day filing at half the cost of premium providers.
Pairs RA with LLC formation packages; useful if forming a new entity from scratch.
Largest brand; phone-based support; bundled legal services beyond RA.
Maine-specific option: Maine Registered Agent.co operates exclusively in Maine and specializes in same-state filings. Best for businesses that want a state-focused provider with local-only operations.
| Filing | Cost | Renewal |
|---|---|---|
| LLC formation | $175 | annually by June 1 |
| Annual Report | $85 | annually by June 1 |
| DBA / Fictitious Name | $125 | Every 5 years |
| Change of Registered Agent | $35 | — |
Source: Maine Secretary of State, Bureau of Corporations · Statute reference 31 M.R.S. §1574
For most Maine LLCs, Northwest Registered Agent ranks first on privacy and reliability. Mainstay Filing earns the Editor's Choice for value at $99/year with the same core features. State-specific options like Maine Registered Agent.co specialize in same-state filings.
Commercial services range $50–$250 per year. Mainstay Filing is $99/yr; Northwest is $125/yr; ZenBusiness is $199/yr; LegalZoom is $249/yr.
Yes. File a Statement of Change of Registered Agent with the Maine Secretary of State, Bureau of Corporations for $35. Most commercial services handle the change paperwork for you.
National services like Mainstay Filing and Northwest operate across all 50 states with consistent pricing and online dashboards. State-specific providers (like Maine Registered Agent.co) focus exclusively on one state and often handle same-state-only filings faster.
Yes — under 31 M.R.S. §1574, every Maine LLC must designate and maintain a registered agent with a physical street address in Maine.
Yes — if you are a Maine resident with a physical street address in Maine and are available during normal business hours to accept service of process. Most commercial services exist because keeping a personal address on the public record is a privacy concern.
Same-day with every service in the table above. The provider issues a confirmation letter you include with the Articles of Organization filed with the Maine Secretary of State, Bureau of Corporations.
RA Ratings independently reviews registered agent services. We may earn a commission from sponsored links; this does not affect rankings or editorial selection. Verify all filing fees with the Maine Secretary of State, Bureau of Corporations before submitting paperwork.