How to Form an LLC in Mississippi — 2026 Filing Guide

Required?

Yes

Who can serve

Mississippi resident or MS-authorized business entity with a physical MS street address, available during normal business hours to accept service of process

Can I serve myself?

Yes

Commercial RA cost

~$100/yr

Self-serving as RA places your home address on the public Mississippi SOS record. Commercial RA services preserve privacy and ensure the free annual report filing deadline is not missed.

Renewing or switching? Compare standalone registered agent services — Northwest, Harbor Compliance, Registered Agents Inc., InCorp, and more.

1. Search for name availability through Mississippi SOS Use the Mississippi SOS entity search at sos.ms.gov to confirm your desired LLC name is available and not deceptively similar to an existing Mississippi entity. The name must include 'LLC', 'L.L.C.', 'Limited Liability Company', 'Limited Liability Co.', or 'LC' under MS Code § 79-29-105. Optional: reserve the name for 180 days ($25).
2. Appoint a Mississippi registered agent Designate a registered agent with a physical Mississippi street address who is available during normal business hours. MS residents with an MS address may self-serve, but self-serving places your home address on the public SOS record. Commercial RA services ($50–$150/yr) preserve privacy.
3. File Articles of Organization with Mississippi SOS File online at sos.ms.gov ($50 fee). Standard online processing is typically 2–5 business days.
4. Draft an Operating Agreement An Operating Agreement governs member rights, profit allocation, voting, and dissolution under MS Code § 79-29-115. Not filed with the state. Mississippi's agriculture, timber, gaming, and healthcare LLC ecosystem frequently involves multi-member arrangements requiring a detailed Operating Agreement.
5. Obtain an EIN from the IRS Apply for an EIN at irs.gov/ein after Articles of Organization approval. The online application issues the EIN immediately.
6. Register for Mississippi sales tax (if applicable) If the LLC sells taxable goods or services in Mississippi, register for a sales tax permit with the Mississippi DOR at dor.ms.gov (free registration). Mississippi's state sales tax rate is 7%. If the LLC has Mississippi employees, also register for payroll withholding.
7. Open a business bank account Bring your EIN Confirmation Letter, Articles of Organization approval, photo ID, and Operating Agreement. Mississippi's banking market includes BancorpSouth (now Cadence Bank), Trustmark Bank, Renasant Bank, and national banks.
8. File the Annual Report each year (free) Mississippi LLCs must file an Annual Report with the SOS each year ($0 fee). File at sos.ms.gov. Despite the $0 fee, failure to file results in administrative dissolution. The free annual report is one of Mississippi's strongest differentiators — set a calendar reminder to file on time.

Mississippi Code (MS Code) §§ 79-29-101 et seq. (Mississippi Limited Liability Company Act); MS Code § 27-65-1 et seq. (Mississippi Sales Tax Act); IRS Rev. Rul. 77-137 on single-member LLC tax treatment; FinCEN CDD Rule, 31 CFR § 1010.230.

Direct filing portal: https://www.sos.ms.gov/

Formation context

Who should form in Mississippi?

Recommended for

Mississippi-based businesses in agriculture, food processing, automotive manufacturing, healthcare, gaming, and port logistics; Southern US founders seeking a low-cost LLC state with no annual report fee; Cost-conscious founders comparing Mississippi ($50 form + $0/yr) vs. neighboring states' higher annual costs

Tax treatment (default)

Pass-through by default: single-member LLCs are disregarded entities (Schedule C); multi-member LLCs are partnerships (Form 1065). Mississippi imposes individual income tax at a flat 5% rate (2026, on a phased reduction schedule) on Mississippi-source pass-through income. Mississippi imposes no franchise tax on LLCs. Annual report: $0/yr — free. Sales tax: 7% on taxable goods and services.

If you live outside Mississippi but form here, you will likely need to register as a foreign LLC in your home state — compounding Mississippi's low fees with home-state costs. For non-residents without Mississippi operations, New Mexico ($50 form + $0/yr) is a comparable alternative that is popular for cost-minimization strategies.

No publication requirement in Mississippi — unlike New York or Nebraska, you do not need to publish notice in a newspaper after filing.

FAQ

Common Mississippi LLC formation questions

Still deciding between an LLC, sole proprietorship, S-Corp, or C-Corp? Our entity-type comparison breaks down formation cost, tax treatment, liability shield, and compliance complexity for all four structures side by side.

Once your LLC clears ~$80K in annual net profit, an S-Corp election (IRS Form 2553) typically saves $5,000–$15,000/year in self-employment taxes by splitting owner income into a W-2 salary + tax-free distributions. The election is free — Form 2553 has no IRS filing fee. The key decision factors: your net income level, a defensible reasonable-compensation salary, and the 75-day Form 2553 filing window after LLC formation.

Already operating as a sole proprietor, or wondering whether a cheap county DBA filing ($10–$100) is enough instead of forming an LLC? A DBA lets you operate under a trade name — but provides zero liability protection. Our DBA vs LLC comparison breaks down exactly when a DBA is sufficient and when you need a state LLC filing.

Missing your annual report deadline triggers late fees and — if left long enough — administrative dissolution, which voids your LLC's liability shield until reinstated. Know your Mississippi deadline, fee, and the consequences of missing it.

Also see the LLC annual report requirements hub for state-by-state deadlines, fees, late penalties, and reinstatement rules.

If your LLC opens an office, hires employees, or regularly does business in another state, you must foreign-qualify there — or face fines, back taxes, and loss of standing to sue. Our foreign qualification guide covers when you need it, how to file a Certificate of Authority, and what it costs.

Your Articles of Organization are filed — now make your LLC operational. Four actions every new LLC owner needs to take:

Formation gets your LLC into existence; contracts, trademark protection, operating agreement review, and vendor-document review keep it usable. Compare subscription and per-document legal platforms before you rely on a template or pay a local attorney retainer.

Commingling personal and business funds is the #1 way LLC owners lose their liability shield. A separate business account — in your LLC's legal name, with your EIN — is the foundational act of corporate formality. Mercury, Novo, Bluevine, Relay, and Found open same-day with no monthly fees. Compare online banks vs. Chase and Bank of America.

How you pay yourself depends on your LLC's tax classification — not what you call the transfer. A disregarded single-member LLC pays via owner draw with SE tax on all net profit. An S-Corp-elected LLC splits income between a W-2 salary (FICA applies) and tax-free distributions. Getting this wrong triggers IRS audit risk and SE-tax errors.

Single-member LLCs file Schedule C with their personal Form 1040 (due April 15). Multi-member LLCs file Form 1065 by March 15. S-Corp-elected LLCs file Form 1120-S by March 15. Know your form, your deadline, and the common deductions — home office, vehicle, retirement contributions, and startup costs — before your first April filing.