Mississippi ranks among the cheapest states in the country to start and keep a business running. The filing fee is low, in-state LLCs owe nothing for the required annual report, and the income tax is on a multi-year path toward disappearing entirely. The rundown below covers what it takes to get a Mississippi business off the ground in 2026.
1. Which business structure fits you?
The structure you choose determines your liability, your taxes, and how much paperwork you're taking on, so it's the first real decision to make.
- Sole proprietorship. Nothing to file, and you and the business are legally one and the same, so any debt the business takes on is yours too.
- Partnership. Two or more people sharing a business and sharing the same unlimited liability a sole proprietor carries.
- LLC. The most common structure among small Mississippi businesses, mainly for the wall it puts between your personal assets and business liabilities.
- Corporation, S-corp or C-corp. Comes with heavier paperwork and formality, usually adopted once investors or multiple shareholders get involved.
For a fuller rundown of the tradeoffs, see our guide on choosing a business structure.
LLCs and corporations file through Mississippi Secretary of State Business Services. Sole proprietorships and general partnerships aren't required to register there at all.
2. Register your business
Forming an LLC
Mississippi LLCs are formed entirely online by filing a Certificate of Formation with the Secretary of State. The fee is $50, and most filers get confirmation the same day they submit.
A registered agent with a physical Mississippi address, reachable during business hours, is required for every LLC. You can serve in that role yourself or hire a service to do it.
Mississippi doesn't require you to file an operating agreement with the state, but multi-member LLCs should still put one together to document how decisions and profits get handled.
Sole proprietorships and DBAs
A Certificate of Formation isn't required, or possible, for a sole proprietorship. Trade name rules for sole proprietors vary by location within Mississippi, so check locally.
3. Get an EIN
The IRS provides EINs at no charge, and the online application runs about 15 minutes. It's required to open a business bank account, hire employees, or file most business tax forms, single-member LLCs with no staff included.
4. Check licenses and permits
Mississippi has no umbrella statewide business license. What you need depends on industry and city: professional licensing for regulated fields, local permits in some cities, and sales tax registration with the Department of Revenue for anyone selling taxable goods or services. Our guides on professional licensing by industry and zoning laws for home businesses cover more of this territory.
5. Understand Mississippi taxes
Mississippi is gradually eliminating its income tax altogether. In 2026, the first $10,000 of taxable income is exempt, with a flat 4% applying above that, and the rate is set to keep falling in coming years on its way toward zero. Pass-through LLCs face no separate franchise tax.
At a flat 7%, Mississippi's sales tax sits on the higher end nationally, but most counties don't add anything further, so the double-digit combined rates common in nearby states are rare here.
6. Stay compliant
The Annual Report comes due April 15 each year for Mississippi LLCs, with the filing window opening January 1. In-state LLCs file for free; foreign LLCs registered to operate in Mississippi pay $250. Miss the deadline and administrative dissolution becomes a risk, with a $50 fee to reinstate a lapsed LLC.
Mississippi business costs at a glance
| Item | Cost |
|---|---|
| Certificate of Formation (LLC) | $50 |
| Annual Report (every year, due April 15) | Free (domestic LLCs) |
| Registered agent service (optional) | $99 to $249/year |
| EIN | Free (IRS) |
| State income tax | 0% under $10,000, 4% above |
| State sales tax | 7% flat, minimal local add-ons |
Frequently asked questions
Does Mississippi charge for its Annual Report?
No fee for domestic, in-state LLCs; foreign LLCs registered to do business in Mississippi pay $250.
How much does it cost to form an LLC in Mississippi?
$50 for a Certificate of Formation, with most filings confirmed the same day.
Is Mississippi phasing out its income tax?
Yes. The first $10,000 of taxable income is exempt for 2026, with the rate above that scheduled to keep dropping toward an eventual goal of 0%.
How high is sales tax in Mississippi?
A flat 7% statewide, among the higher flat state rates, but most counties add nothing on top.
When is Mississippi's Annual Report due?
By April 15 each year, with the filing window opening January 1.
The above reflects Mississippi Secretary of State and Department of Revenue guidance as of 2026, subject to change, so verify current figures before filing. None of this is legal or tax advice; a Mississippi-licensed attorney or CPA can advise on your specific situation.