Start a Missouri LLC — A Step-by-Step Walkthrough

Before anything else, make sure the name you want isn't already taken. Missouri requires every LLC name to be distinguishable from the names of other business entities already on file with the Secretary of State — not just other LLCs, but corporations, limited partnerships, and any registered entity. "Distinguishable" is a legal test, and small differences like added punctuation, "the," or "and" often don't count as different enough.

Run your proposed name through the state's business entity name search. Search the exact name and a few close variations. If something similar already exists, the Corporations Division may reject your Articles, which costs you time.

Missouri naming rules

• The name must contain "Limited Liability Company," "Limited Company," or an abbreviation such as "LLC," "L.L.C.," "LC," or "L.C."
• It must be distinguishable from all entity names already registered in Missouri.
• It cannot imply a purpose the LLC isn't organized for, and certain regulated words (like those suggesting banking or insurance) require approval from the relevant agency.

Reserving a name

If you're not ready to file but want to hold the name, Missouri lets you reserve it for a limited window through the Secretary of State. A reservation does not create the LLC — it just parks the name while you finish everything else. Most owners skip this and simply file once they're ready.

Missouri law requires every LLC to name and continuously maintain a registered agent — the official recipient for legal service of process and state correspondence. You must list the agent in the Articles of Organization, and the agent has to consent to the role.

The registered agent must have a physical Missouri street address (a P.O. box alone won't do) and be available at that address during normal business hours. Missouri provides a Statement of Consent (Form Corp-59) that documents the agent's acceptance.

Who can serve

• Yourself: If you have a physical Missouri street address and are reliably present during business hours, you can be your own agent. Your address becomes public record.
• Another individual: Any Missouri resident with a street address in the state — a co-owner, employee, or trusted contact.
• A commercial registered agent service: A firm licensed to serve as a registered agent within Missouri. This keeps the service's address in the public record instead of yours and guarantees someone is always available to accept documents.

Why it matters

If you list your home as the registered agent address, it becomes searchable in the public business database, and process servers can show up there. A commercial service keeps your address private and makes sure a lawsuit or a state notice never goes unaccepted because you happened to be out.

The Articles of Organization (Form LLC-1) is the filing that legally creates your Missouri LLC. The efficient way to file is online through the Secretary of State's Online Business Filing System; a paper option exists but costs more and processes slower. The state's fee schedule and forms are posted on the Corporations Division site.

Online filings are typically processed quickly — frequently the same business day or within a few business days — after which your entity shows up in the state database and your stamped Articles become available.

What the Articles include

• LLC name with the required designator ("LLC," "L.L.C.," etc.)
• Purpose: A general-purpose statement is acceptable — you don't have to pin yourself to one activity.
• Registered agent name and Missouri street address
• Management structure: Member-managed or manager-managed
• Duration: Perpetual by default, or a set end date if you want one
• Organizer: The person filing and signing the Articles (doesn't have to be a member)

What you don't have to disclose

Missouri doesn't ask you to name every member, state ownership percentages, or reveal any financials in the Articles. Those internal details live in your operating agreement and stay private.

The operating agreement is your LLC's internal rulebook. Missouri doesn't require you to file it with the state or even to have one, but going without is a mistake — especially with partners. This document controls how your company actually runs and settles disputes before they start.

What a solid operating agreement covers

• Ownership: Who the members are and what percentage each holds
• Capital contributions: What each member put in, and any obligation to contribute more later
• Profit and loss allocation: How money is split — usually by ownership, but it doesn't have to be
• Distributions: When and how cash is paid out to members
• Management: Who runs things day to day and which decisions require a member vote
• Voting: Whether votes are weighted by ownership or counted per member
• Transfers: What happens when a member wants to sell or leave — rights of first refusal, buyout terms
• Dissolution: How the company winds down and distributes what's left

For a single-member LLC, the agreement helps prove the company is a separate entity, which supports your liability shield. For a multi-member LLC it's essential — without it, Chapter 347's statutory defaults decide everything, and they may not match your intentions.

An Employer Identification Number is a nine-digit federal tax ID the IRS issues for free. It's the business version of a Social Security number, used on tax filings, when opening bank accounts, and when hiring.

When you need one

• Your LLC has more than one member (multi-member LLCs must file a partnership return)
• You plan to hire employees
• You want a business bank account (nearly every bank requires an EIN)
• You've elected S-corp or C-corp tax treatment

A single-member LLC with no employees can technically use the owner's Social Security number for federal taxes, but getting an EIN anyway keeps your SSN off business paperwork and simplifies banking.

How to apply

Apply online at IRS.gov. The application takes about ten minutes and the number is issued instantly, so you can use it the same day. You'll need a US SSN or ITIN to apply online; applicants without one file Form SS-4 by fax or mail.

Keeping business and personal money separate isn't just tidy — it's what preserves your liability protection. If you run personal expenses through the LLC account or deposit business income into a personal account, a court can decide the LLC isn't really separate from you and hold you personally liable.

What banks usually want

• Your filed Articles of Organization
• Your IRS EIN confirmation
• Your operating agreement (many banks ask for it)
• Government-issued ID for each authorized signer

Missouri community banks and credit unions are often friendlier to brand-new LLCs than the big national chains, and several online business banks can open an account without a branch visit. Weigh the monthly fees, transaction caps, and required minimum balances against each other before settling on one.

Here's the good news about Missouri: after formation, there's very little the state asks of you.

No annual report

Missouri LLCs have no annual report and no franchise tax. There is no yearly state filing to keep your LLC in good standing — a genuine break from most states. You do not need to calendar an annual state deadline for the LLC itself.

Registered agent upkeep

You must keep a valid registered agent on file at all times. If your agent moves, resigns, or you switch providers, file the update with the Secretary of State promptly so your record stays current and legal service can reach you.

Taxes

Federal treatment depends on your setup: single-member LLCs file Schedule C, multi-member LLCs file Form 1065, and S-corp elections file Form 1120-S. Missouri income tax applies to pass-through profits on your state return. If you sell taxable goods or services, register for sales tax with the Missouri Department of Revenue.

Licenses and permits

Missouri has no single statewide general business license, but many professions and many cities and counties require their own licensing. These run on separate schedules and are unrelated to your Secretary of State filing.