File a Mississippi Certificate of Formation, then submit the free domestic LLC annual report each year.

This guide covers forming a new Mississippi LLC. If your LLC already exists in another state or country, use the foreign-registration process instead.

Mississippi LLC at a glance

Official filing website
Mississippi Secretary of State
Business name check
Search business namesA name search does not reserve or approve the name.
Formation document
Certificate of Formation (F0100)
State filing fee
$50Formation filing only; other required costs and optional services are separate.
Processing time
Online1-2 business daysPaperNo paper filing in the cited guidePublished guide estimate. Published guide estimate for a complete filing; not a state guarantee. Check the filing office before setting a deadline.
Ongoing report or tax
Domestic LLC Annual Report
Report / renewal charge
$0The state fee schedule lists $0 for the domestic LLC annual report. A foreign LLC has a different reporting fee.
Frequency / due date
Annually; confirm the current filing deadline
Sales tax base rate
7%Local rates may apply. July 1, 2026 snapshot; not an address-specific rate. General rate for ordinary taxable sales; exemptions, special products and local rules can change the result.Official tax agency ↗
Names in formation records
No management roster requiredThe certificate statute lists the LLC name, registered-agent information and any specified dissolution date, without requiring a membership roster. Other filings and private bank/tax records may identify owners.

Before you file in Mississippi

Prepare the legal name, Mississippi agent, business details and signer. Use a contact email the business can keep.

Search business names ↗

File the Certificate of Formation (F0100)

Mississippi business filing portal ↗

  1. Choose a new domestic LLC Certificate of Formation in the Secretary of State’s filing portal.
  2. Complete the name, agent and business fields. Add an end date only if the company is meant to end on that date.
  3. Sign, pay and save the accepted certificate and business ID.
Hand-drawn path from choosing a name to filing the LLC and organizing the next steps.
Prepare, file, then complete the post-approval tasks.

What to enter in the form

Agent
Enter the appointed Mississippi agent and required office address.
End date
Do not add a dissolution date to a company intended to continue indefinitely.
Signer
Use an authorized signer. The certificate is not a complete ownership agreement.
Account contact
Use a portal account and notice email the business can access after the organizer’s work ends.

Formation form or legal requirements ↗ · Statutory reproduction (2025)

After approval in Mississippi

  • Prepare the operating agreement and EIN records, then register for the taxes and licenses required by the business.

Domestic LLC Annual Report

Mississippi business filing portal ↗

  1. Open the LLC’s record in the state portal and select the annual-report year.
  2. Confirm or update the office, agent, activity and management information the report requests. Sign and submit.
  3. Save the accepted report. The domestic LLC report is free; foreign LLCs use a different fee category.

Compare the filing cycles in our annual report and recurring-fee table.

Common mistakes

  • A free annual report still has to be filed.

Next steps: operating agreement · get an EIN · starting checklist.

Sources and filing links

Sources checked . Confirm the state’s current fees and instructions before filing.

Research and walkthrough references

These references provide background and filing walkthroughs. Follow current state instructions if an older walkthrough differs.

See our editorial policy for the research process and contact page for correction information.