1. Maine LLC Overview

If you operate a business in Maine, forming a local LLC is necessary to secure personal liability protection. Maine has moderate fees that sit right around the national average.

  • Moderate formation fee — $175 to file a Certificate of Formation
  • Reasonable annual fee — $85 per year
  • Unique Terminology — Maine uses the term "Clerk" instead of Registered Agent

2. Maine LLC Requirements

  • Name must contain "Limited Liability Company," "L.L.C.," or "LLC"
  • Appoint a Clerk (Registered Agent) with a Maine physical address
  • File a Certificate of Formation with the Secretary of State ($175)
  • File an Annual Report by June 1 each year ($85)

3. Maine LLC Costs and Fees (2026)

Cost Item Amount Notes
Certificate of Formation$175One-time state filing fee
Annual Report$85/yearDue June 1
Commercial Clerk (Agent)$50–$150/yearRequired ME physical address
EINFreeApply at IRS.gov
Operating Agreement$0–$1,000Recommended, not legally required

4. How to Start a Maine LLC (Step by Step)

  1. 1 Choose your LLC name (must include "Limited Liability Company" or "LLC")
  2. 2 Appoint a Commercial Clerk or Noncommercial Clerk (Registered Agent)
  3. 3 File the Certificate of Formation with the ME Secretary of State ($175)
  4. 4 Obtain an EIN from the IRS (free at IRS.gov)
  5. 5 Draft an Operating Agreement (not filed, but legally binding)
  6. 6 File an Annual Report by June 1 each year ($85)
  7. 7 Open a business bank account

5. Maine Annual Report

Maine LLCs must file an Annual Report to maintain their active status.

  • Due Date: June 1 of every year, starting the year following formation.
  • Fee: $85.
  • Filing: Filed online via the Secretary of State's portal. Late filings incur a $50 penalty.

6. Maine LLC Taxes (2026)

  • State income tax — 5.8% to 7.15% graduated rate on pass-through profits
  • Federal income tax — Pass-through to personal return
  • Self-employment tax — 15.3% on net earnings
  • Sales tax — 5.5% state base rate (Maine generally does not have local sales tax additions)

7. Best For / Not Best For

Best For

  • Entrepreneurs living and operating in Maine

Not Best For

  • Out-of-state owners without Maine nexus
  • Cost-sensitive founders ($175 to start, $85 annually is slightly above average)