Maine LLC Name Search & Naming Rules (2026)
In an online-filing state, the gap between "name is available" and "name is mine" is minutes. In mail-only Maine, it's weeks — which changes the math on the $20 reservation entirely. Here's how to search, what Title 31 requires, and when reserving is the smart move.
Search availability free with the Maine Secretary of State's corporate name search. Your name must be distinguishable from every entity on record and contain an LLC designator such as "Limited Liability Company," "LLC," or "L.L.C." (low-profit LLCs use "L3C"). Because formation is mail-only — leaving a multi-week gap between your search and your filing landing in Augusta — Maine's $20, 120-day name reservation is more valuable here than in any online-filing state. Operating under a different brand requires a $125 assumed name filing.
- Name search
- Free — maine.gov
- Required designator
- LLC, L.L.C., or spelled out
- Name reservation
- $20 · 120 days
- Assumed name / DBA
- $125
- Why reserve here
- Mail-only filing gap
- Governing law
- Title 31 (LLC Act)
Maine LLC Naming Rules (Title 31)
- Required designator: the name must signal limited liability company status — "Limited Liability Company," "LLC," or "L.L.C." are the standard forms; low-profit LLCs use the "L3C" designation.
- Distinguishable on the record: your name can't be the same as, or confusingly close to, any entity on file with the Secretary of State. Punctuation and designator swaps don't create distinguishability.
- No government implications: nothing suggesting a state or federal agency.
- Restricted terms: words implying regulated activity — bank, insurance, credit union, engineer — require the relevant Maine regulator's approval before the state will accept them.
Brand check first: state clearance isn't trademark protection. Run the USPTO's free search and check the .com before committing — at $125, Maine's assumed name is one of the priciest DBAs in the country, so choosing the right legal name upfront has real cash value.
Name Checker & Mail-Gap Advisor
Check your name's format, then tell the tool your filing plan — it weighs Maine's mail-only gap and tells you whether the $20 reservation is worth it.
Maine Name Checker & Mail-Gap Advisor
Format check + reservation math for a mail-only state · not a substitute for the state search
Availability is determined solely by the Maine Secretary of State — run the official search before mailing anything. Reservation: $20 for 120 days.
How to Search Maine Name Availability (Free)
Open the Maine corporate name search
The Secretary of State's free database covers every LLC, corporation, and registered name on file in Maine.
Search core words without the designator
Search "Pine Coast" rather than "Pine Coast LLC" to surface the widest set of conflicts, including assumed names.
Assess distinguishability honestly
If an active entity's name differs from yours only in punctuation, spacing, or designator, expect rejection — and in Maine, rejection means your envelope comes back weeks later.
Reserve or mail promptly
Availability isn't a hold, and your filing spends days in transit. Bridge the gap with a reservation, or get the MLLC-6 packet in the mail fast.
The $20 Reservation: Maine's Best Bargain
File Maine's name reservation application with $20 and the state holds your name for 120 days. In online states we often call reservations unnecessary — file same-day and skip the fee. Maine flips that logic: your Certificate of Formation travels by mail, sits in a processing queue for weeks, and if it bounces on a technicality, the whole cycle repeats. Twenty dollars to freeze the name through all of that is the cheapest insurance in this entire suite. Bonus: mail the reservation and the MLLC-6 together and one expedite fee covers both documents.
Assumed Names: $125 (Choose Your Legal Name Well)
Maine LLCs can operate under a different brand by filing an assumed name with the Secretary of State for $125 — among the most expensive DBA fees in the country (many states charge $20–$30). Each additional brand is another $125. The practical lesson: invest the time to get your legal name right at formation, and reserve assumed names for genuine multi-brand strategies rather than fixing a rushed first choice.
Ahmad Adil's Take: Maine's naming rules are ordinary — it's the clock that's different. Everywhere else I say "skip the reservation, just file." Here, your name sits exposed for the two-to-four weeks your envelope spends in transit and queue. Twenty dollars closes that window completely. And with the assumed name at $125, "I'll fix the name later" is a $125 sentence in Maine — say your candidate name out loud, check the domain, sleep on it once, then reserve it and mail the packet.
- ✓Forms your Maine LLC for $39 + the $175 state fee
- ✓Prepares and mails the paper-only MLLC-6 for you
- ✓Free Maine registered agent (commercial CRA) the first year
- ✓No upsells · No data selling · Privacy by Default
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Maine LLC — FAQ

Ahmad Adil is the founder and CEO of LLC School. The figures here — the $175 mail-only Certificate of Formation (MLLC-6), the $85 June 1 annual report with its $50 late penalty, and Maine’s 5.8%–7.15% graduated income tax — reflect current Maine Secretary of State and Maine Revenue Services guidance. This is educational content, not legal or tax advice.
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