Missouri Articles of Organization: File for $50 (2026)
The Articles of Organization is the filing that creates your Missouri LLC — $50 online through the Secretary of State, often approved the same business day. Filing by mail costs more than double, at $105. Here's every line of the form and why online is the obvious choice.
File Articles of Organization with the Missouri Secretary of State to create your LLC. The fee is $50 online through the state's Business Services portal, often approved the same business day. Filing by mail costs $105 — more than double — and takes about 5–7 business days to process, not counting mail transit. The Articles require your LLC name, your registered agent and Missouri street address, and basic organizer information.
- Filing fee (online)
- $50
- Filing fee (mail)
- $105
- Portal
- sos.mo.gov
- Processing (online)
- Often same business day
- Processing (mail)
- ~5–7 business days
- Agency
- Secretary of State
What the Articles of Organization Do
The Articles of Organization are your LLC's birth certificate. When the Secretary of State accepts your filing, your LLC exists: liability protection attaches, the name is claimed, and you can bank and contract as the company. Missouri's form is lean, and — unlike states where paper filing is only slightly cheaper — Missouri makes the online-vs-mail decision almost trivial by pricing mail at more than double.
The Online Filing Walkthrough
Create an account at sos.mo.gov
The Secretary of State's Business Services portal handles formation and any future amendments — keep the login durable.
Start a new domestic LLC filing
The portal walks the Articles field by field and checks your name against state records.
Enter your details and pay $50
Name, registered agent and Missouri address, organizer information; pay by card at submission.
Download your confirmed Articles
Online filings are often approved the same business day. Save the approved filing the moment it issues — your bank requires it.
Online is worth $55 in savings AND speed: most states charge a modest premium for online filing. Missouri does the opposite — mail is the expensive, slow option. At $50 online versus $105 by mail, with same-day approval versus roughly a week, there's no scenario where mail makes sense unless you genuinely can't pay online.
Every Line of the Articles
LLC name
With a valid designator (LLC, L.L.C., LC, or L.C.), distinguishable on the Secretary of State's records — verified in Step 1.
Registered agent & address
Name of your registered agent and their Missouri street address.
Organizer information
The person filing the Articles — doesn't have to be a member or manager.
Duration
Usually "perpetual" unless you want the LLC to end on a set date.
Management structure
Member-managed or manager-managed — a formal declaration, though the operational details live in your operating agreement.
Payment
$50 by card online, or $105 by check/money order payable to the Secretary of State by mail.
Why Online Wins — By the Numbers
| Online | ||
|---|---|---|
| Fee | $50 | $105 |
| Typical processing | Same business day | ~5–7 business days |
| Plus mail transit | None | Days each direction |
| Name validation | Real-time | After submission |
There's essentially no reason to file by mail in Missouri unless online payment genuinely isn't an option for you. The $55 premium buys you nothing — it's strictly slower and more expensive.
Missouri Filing Method Savings Calculator
See exactly what mail filing costs you in dollars and days
Mail processing excludes transit time in both directions, which can add another week or more.
After Approval: Your Immediate Next Moves
- Save your confirmed Articles — banks require them alongside your EIN letter.
- Create your operating agreement — legally required in Missouri, not just recommended.
- Get your free EIN at IRS.gov, then register with the Missouri Department of Revenue.
- Remember: no annual report — but build your own habit of confirming your registered agent stays current.
Ahmad Adil's Take: Missouri makes the online-vs-mail decision as close to a no-brainer as any state in this series — you'd actually be paying more than double to wait longer, which is backwards from how most states price the two options. I file online for essentially every Missouri client without a second thought. The bigger strategic move here isn't about the filing at all — it's making sure the moment your Articles are approved, you immediately turn to the operating agreement, since Missouri's law actually requires it and this is the step people most often assume they can skip because "the state didn't ask for it."
- ✓Forms your Missouri LLC for $39 + the $50 state fee
- ✓Files online with the Secretary of State
- ✓Free Missouri registered agent the first year
- ✓No upsells · No data selling · Privacy by Default
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Missouri LLC — FAQ
Ahmad Adil is the founder and CEO of LLC School. The figures here — the $50 Articles of Organization, the fact that Missouri has no LLC annual report, and Missouri’s graduated income tax topping out near 4.7% — reflect current Missouri Secretary of State and Department of Revenue guidance. This is educational content, not legal or tax advice.
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