How to Start a Mississippi Corporation — Step by Step

Your corporation's name has to be distinguishable from every other business name already on record with the Mississippi Secretary of State. "Distinguishable" is a legal standard, not just a matter of looking different — names that vary only by punctuation, spacing, or filler words like "the" or "and" may still be treated as too similar and rejected.

Start at the Secretary of State's business name search. Search your proposed name and close variations. If something too similar is already registered, adjust before you file — a name conflict means a rejected filing and a delayed launch.

Corporate name rules

• The name must include a corporate designator: "Corporation," "Incorporated," "Company," or an abbreviation such as "Corp.," "Inc.," or "Co."
• It must be distinguishable from all active names on the Secretary of State's record
• It cannot imply a purpose the corporation isn't authorized to pursue, and certain regulated words (like "bank" or "insurance") may require additional approval
• It cannot suggest affiliation with a government agency

Optional: reserve the name

If you've settled on a name but aren't ready to file, Mississippi lets you reserve it for a limited period through the Secretary of State's portal. Reservation doesn't create the corporation — it just holds the name while you finalize your board, your share structure, or your funding.

Before you file, you need a registered agent lined up and ready to be named in your Articles of Incorporation. Mississippi requires every corporation to maintain a registered agent with a physical street address in the state throughout the entity's life. The agent is the official recipient of lawsuits, service of process, and state correspondence on the corporation's behalf.

Who can serve

• Yourself, if you have a physical Mississippi street address (not a P.O. box) and are reliably available during business hours. Your address becomes part of the public record.
• Another individual with a Mississippi street address — a co-founder, an employee, or an attorney.
• A commercial registered agent service, which keeps its own professional address in the public record instead of yours and guarantees availability during business hours.

Why founders use a commercial agent

If you name yourself, your address is searchable in the Secretary of State's public database, and you have to be present during business hours to accept service. Many founders — especially those who work irregular hours, travel, or run the business from home — use a commercial agent to keep their address private and never miss a delivery of legal process. A missed service of process can lead to a default judgment, so reliability here matters.

The Articles of Incorporation is the filing that legally creates your corporation. In Mississippi you file it online through the Secretary of State's business portal — there's no paper option for new filings. Online submissions typically process in one to two business days.

What goes in the Articles

• Corporate name with its required designator
• Number of authorized shares — the maximum shares the corporation may issue (you don't have to issue them all at formation)
• Registered agent name and Mississippi street address
• Incorporator name and address — the person or people signing and filing
• Principal office address for the corporation

A note on authorized shares

Authorized shares set a ceiling; issued shares are what you actually distribute to owners. Founders often authorize a round number — enough to divide cleanly among founders and reserve some for future investors or an employee pool — while issuing only a portion at the start. This is a governance choice worth thinking through before you file, because changing it later requires an amendment.

What you don't include

You don't list shareholders, directors, or officers in the Articles, and you don't disclose finances or a detailed business description. Those internal details go in your bylaws and corporate records, which stay private.

Filing the Articles creates the shell of the corporation. The organizational meeting brings it to life. This is where the incorporators or the initial directors formally set up the company and put its governance in place.

What happens at the organizational meeting

• Adopt bylaws — the internal rulebook governing how directors are elected, how meetings and votes work, and what authority each officer has
• Elect the initial board of directors (if the incorporators are handing off to a board)
• Appoint officers — typically a president, a secretary, and a treasurer at minimum
• Authorize and issue shares to the founding shareholders, and record them in a stock ledger
• Approve opening a corporate bank account and other initial business

Mississippi doesn't require you to file bylaws or organizational minutes with the state — they're internal — but they are essential. Bylaws and documented minutes are what demonstrate the corporation is a genuine separate entity, which is exactly what protects the liability shield if it's ever challenged.

An Employer Identification Number is the nine-digit federal tax ID the IRS provides at no charge. Every corporation needs one — it's the business equivalent of a Social Security number, used on federal returns, for opening bank accounts, and for hiring and payroll.

Why a corporation always needs an EIN

Unlike a single-member LLC, a corporation is a separate taxpayer, so it can't use an owner's Social Security number. You'll need the EIN to file the corporate return, open the business bank account, run payroll, and elect S-corporation status if that's your plan.

How to apply

Fill out the IRS EIN Assistant online at IRS.gov. The application takes about ten minutes and issues the number immediately — you can print the confirmation and use it the same day. Applying online requires a US Social Security number or ITIN for the responsible party. Applicants without one can file Form SS-4 by fax or mail.

A dedicated corporate bank account isn't optional — it's how you keep the corporation's liability shield intact. Mixing personal and corporate money is one of the fastest ways to let a court disregard the corporation and reach your personal assets.

What banks usually require

• Filed Articles of Incorporation from the Secretary of State
• The IRS EIN confirmation
• A corporate resolution or excerpt from your organizational minutes authorizing the account
• Bylaws, in many cases
• Government-issued ID for authorized signers

Community banks and credit unions are often more flexible with brand-new corporations than large national banks, and several online business banks can open an account without a branch visit. Before settling on one, weigh the monthly fees, the transaction limits, and the minimum balances each requires.

Most of the work is front-loaded in formation. After that, staying in good standing comes down to one annual state filing plus ongoing governance.

Annual report

File your Mississippi annual report with the Secretary of State by April 15 each year through the annual reports portal. It confirms your registered agent, principal office, and officer and director information. It's a status filing, not a financial return. Fall behind and the state can administratively dissolve the corporation.

Registered agent upkeep

If your registered agent changes address, resigns, or you switch agents, file the change with the Secretary of State promptly. An outdated agent leaves the corporation non-compliant even if the annual report is current.

Corporate governance and taxes

Hold at least an annual shareholders' and directors' meeting and record the decisions. On the tax side, a corporation files a federal return — Form 1120 for a C-corporation, or Form 1120-S if you've made a valid S-corporation election with the IRS. If you sell taxable goods or services in Mississippi, register with the Mississippi Department of Revenue for sales and use tax. Many professions and localities also require their own licenses, which are separate from your incorporation.