StartupOwl is reader-supported. We may earn a commission when you click links on this page - at no extra cost to you.

LLC Formation·Updated Feb 21, 2026

How to Start an LLC in Mississippi (2026)

Mississippi keeps LLC formation simple and fully online. You'll file your Certificate of Formation through the Secretary of State's website and handle your $0 annual report each April to stay in good standing.

Feb 21, 202612 min read
Daniel Wong
Written byDaniel Wong
Legal & Compliance Analyst

In This Article

12 sections
0%

What You'll Learn in This Guide

This guide walks you through every step to legally form a Limited Liability Company (LLC) in Mississippi — from picking a name to staying compliant year after year. We've kept it practical, current, and free of unnecessary fluff.

Note

Mississippi LLC formation costs $50 in state fees. Most founders complete the process in 1-2 business days, either DIY or through a formation service starting at $0.

Mississippi LLC: Quick Facts

Last Verified: Feb 2026
Filing Fee (Online)
$50
Processing Time
1-2 business days
Expedited Available
No
Annual Report
April 15 each year
State Income Tax
Yes
Sales Tax Rate
7%
Filed With
Mississippi Secretary of State
Last Verified
February 21, 2026

What Forming a Mississippi LLC Actually Looks Like

A Mississippi LLC separates your personal finances from your business. If the business gets sued or takes on debt, your personal bank accounts, home, and car are generally protected. That legal wall between you and the business is the core reason to form an LLC rather than operating as a sole proprietor.

Mississippi is one of the more straightforward states for LLC formation. All business filings go through the Secretary of State's online portal, so there's no printing, mailing, or waiting on postal delivery. The state also doesn't charge a fee for annual reports, which keeps your ongoing compliance costs low compared to many other states.

The full process involves picking a compliant name, designating a registered agent with a Mississippi street address, filing your Certificate of Formation online, getting a federal EIN, drafting an operating agreement, and opening a business bank account. Most founders can work through all of this in a single afternoon.

Step 1

Choose a Name for Your Mississippi LLC

Your LLC name must meet Mississippi's naming rules and be distinguishable from every other business on file with the Secretary of State.

Mississippi requires your LLC name to be distinguishable from any other business entity already registered in the state. You can check availability using the Secretary of State's online business search tool at https://corp.sos.ms.gov/corp/portal/c/page/corpbusinessidsearch/portal.aspx before you file.

Search available names →

Mississippi LLC Naming Requirements

Must include "LLC," "L.L.C.," or "Limited Liability Company"
Must be distinguishable from other entities on file with the Secretary of State
Cannot include words that imply it's a corporation (e.g., "Inc." or "Corp.")
Cannot include restricted words like "Bank" or "Insurance" without proper licensing

Optional Name Reservation

  • Reserve your name for 180 days through the Secretary of State's portal
  • Reservation fee is $25
  • Useful if you want to secure a name before you're ready to file

State Specific

Mississippi lets you reserve a business name for 180 days for $25, which is longer than most states offer. If you're not ready to file right away, this is a good way to lock in the name you want.

Pro Tip

Search the Mississippi Secretary of State's business name database before you commit. A quick search saves you from filing a Certificate of Formation that gets rejected for a name conflict.

Step 2

Choose a Registered Agent in Mississippi

Every Mississippi LLC must designate a registered agent with a physical street address in the state who can accept legal documents on behalf of your business.

A registered agent receives legal notices, lawsuit papers, and official state correspondence on behalf of your LLC. Mississippi requires your registered agent to be either an individual who lives in the state or a business entity authorized to operate in Mississippi. The agent must have a physical street address. P.O. Boxes are not permitted.

Your Three Options

  • Be your own registered agent (free, but you must be available at a Mississippi street address during business hours)
  • Appoint someone you know who lives in Mississippi and is willing to accept legal documents for you
  • Hire a professional registered agent service (typically $50 to $300 per year, and they handle everything)

Pro Tip

If you serve as your own registered agent, you'll need to be available at your listed address during normal business hours. If you travel frequently or work remotely, a professional service may be a better fit.

Step 3

File Your Certificate of Formation with Mississippi

This is the official step that creates your LLC. Mississippi handles all business filings online through the Secretary of State's portal.

State Filing Fee: $50
Processing: 1-2 business days

To file your Certificate of Formation, you'll create an account on the Mississippi Secretary of State's online portal. The form asks for your LLC's name, the purpose of your business, your registered agent's name and physical address, and basic information about the members or managers. Once you complete the form and submit payment, the state processes your filing.

Since Mississippi requires all filings to go through the online system, there's no option to mail in a paper form. This actually works in your favor. Online submissions are processed faster than mail-in filings in most states, and you'll get confirmation of your filing electronically.

Information You'll Need for the Filing

  • LLC name (as confirmed through your name search)
  • Principal office address
  • Registered agent's name and Mississippi street address
  • Names and addresses of members or managers
  • Your preferred management structure (member-managed or manager-managed)

State Specific

Mississippi does not accept paper filings. Your Certificate of Formation must be submitted through the Secretary of State's online portal at https://corp.sos.ms.gov/corp/portal/c/page/login/portal.aspx. There is no mail-in option.

Pro Tip

Have your registered agent's full legal name and Mississippi street address ready before you start the online form. You'll also need to provide the names of your LLC's members or managers.

ZB logo

Recommended: ZenBusiness

Beginner-friendly LLC formation with transparent pricing and a free starter option. From $0 + state fees.

4.5
Form Your LLC →
Step 4

Get an EIN from the IRS

Your EIN is a federal tax ID number that your LLC needs for taxes, hiring, and banking.

Apply for your EIN directly on the IRS website at no cost. The online application takes about ten minutes, and you'll receive your EIN immediately after completing it. You'll need this number before you can open a business bank account or file taxes for your Mississippi LLC.

Apply for your EIN on IRS.gov →
Step 5

Create an Operating Agreement for Your LLC

An operating agreement defines how your LLC is owned, managed, and operated. Mississippi doesn't require one by law, but you need one anyway.

Mississippi does not legally require an operating agreement, but operating without one leaves your LLC governed entirely by default state law. That means the state decides how profits are split, how decisions are made, and what happens if a member leaves. Writing your own agreement lets you set those rules on your terms.

Key Sections to Include

Ownership percentages and each member's capital contributions
How profits and losses are distributed among members
Management structure (member-managed or manager-managed)
Voting rights and how major decisions are approved
Process for adding or removing members
What happens if a member wants to leave or passes away
Dissolution procedures for closing the LLC

Pro Tip

Even single-member LLCs should have an operating agreement. Banks often ask for one when you open your business account, and it strengthens the legal separation between you and the business.

Step 6

Open a Business Bank Account

A dedicated business bank account keeps your personal and LLC finances separate, which is essential for maintaining your liability protection.

Once your Mississippi LLC is approved and you have your EIN, open a dedicated business checking account. This isn't optional in any practical sense. Running business income and expenses through your personal account blurs the legal line between you and your LLC, which is exactly the protection you formed the LLC to get.

What to Bring to the Bank

  • Your filed Certificate of Formation (confirmation from the Secretary of State's portal)
  • Your EIN confirmation letter from the IRS
  • A valid government-issued photo ID
  • Your operating agreement (many banks request this)
  • An initial deposit (amount varies by bank)

Important

Mixing personal and business funds can weaken your LLC's liability protection. Courts call this "piercing the corporate veil," and it can make you personally responsible for business debts.

Top 3 LLC Formation Services

We've independently reviewed the top LLC formation services in Mississippi. Here's how they compare.

Feature
ZenBusiness
Best Overall Value
Northwest Registered Agent
Best Privacy
Tailor Brands
Best for Branding
Starting Price$0 + state fees$39 + state fees$0 + state fees
Formation Speed1-10 business daysSame-day filing2-14 business days
SupportPhone, Chat, EmailLifetime Corporate GuidesPhone, Chat, Email
States Covered50 states50 states50 states
In Business Since201519982014
Get StartedGet StartedGet Started

Frequently Asked Questions

What to Do Next

Once your Mississippi LLC is approved, take these steps to set your business up for success.

ZB logo

Ready To File?

Start your Mississippi LLC with ZenBusiness — guided filing and compliance support included.

Start Your LLC →

About the Author

Daniel Wong

Legal & Compliance Analyst

Daniel grew up in the shadow of Silicon Valley but chose the legal route over engineering, working as a paralegal for a corporate law firm specializing in mergers and acquisitions. He realized that early-stage founders were constantly making catastrophic legal mistakes because they couldn't afford a $500/hour attorney, prompting his move to B2B media.

Was this article helpful?