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Missouri Small Business Guide
LLC and corporation formation, state taxes, licensing, and SBA resources for Missouri — verified against the Missouri Secretary of State, Tax Foundation, and the U.S. Small Business Administration.
Missouri Small Business Setup at a Glance
LLC Filing Fee
$50
One-time formation cost
Corp Filing Fee
$58
One-time C-corp / S-corp
Annual Report Fee
$0
No annual report required
Top Corporate Tax
4.00%
Top marginal rate
State Sales Tax
4.23%
State-level base rate
Franchise Tax
No
No annual franchise tax
State Minimum Wage
$13.75
Per hour
Tax Climate Rank
#15 of 50
Tax Foundation 2025 (1 = best)
SOS business portal (Missouri): https://bsd.sos.mo.gov/
SBA district office: https://www.sba.gov/district/st-louis
SBDC (Missouri): https://missouristate.edu/sbdc/
How to Start a Business in Missouri
- 1
Choose your entity type
Most small businesses choose between an LLC (limited liability company), a C-corporation, or an S-corporation. LLCs offer the simplest formation and pass-through taxation; C-corps make sense if you plan to raise venture capital or issue multiple share classes; S-corps offer payroll-tax savings once income exceeds a reasonable salary threshold. Sole proprietorships require no filing but offer no liability protection.
- Decide LLC vs. corporation based on liability + tax goals
- Confirm your business name is available in the SOS database
- Pick a registered agent with a physical address in the state
- 2
Form your entity in Missouri
Missouri's LLC filing fee is $50. Corporations pay $58 to incorporate. File Articles of Organization (LLC) or Articles of Incorporation (corporation) through the Missouri Secretary of State business portal. Most states process online filings within 1-5 business days; expedited processing is typically available for an extra fee.
Missouri SOS Business Portal → - 3
Register for federal and state taxes
Apply for an EIN (Employer Identification Number) from the IRS — it is free at irs.gov/ein and takes about 10 minutes online. Top corporate income tax rate is 4.00%. Sales-tax-collecting businesses register with the State Department of Revenue.
- Apply for federal EIN (free, online at irs.gov/ein)
- Register with State Department of Revenue (sales tax, withholding)
- Determine S-corp election (Form 2553) if applicable
- 4
Handle licensing, permits, and ongoing compliance
Missouri does not impose a general statewide business license — but most cities, counties, and regulated industries (food service, contracting, cosmetology, professional services) do. Always check both the state and your local jurisdiction. Missouri does not require an annual report — a rare cost savings.
Missouri SBA District Office → - 5
Plan for workforce and growth
Missouri's minimum wage is $13.75 per hour for non-tipped employees. Missouri's Small Business Development Center (SBDC) offers free one-on-one advising on business plans, financial projections, and SBA loan applications.
Missouri SBDC →
Business Formation Checklist
Formation Documents
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Federal Tax Identifiers
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State Tax Registrations
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Licenses & Permits
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Banking & Insurance
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Compare with Nearby States
Which states are the cheapest to form an LLC?
Filing fees vary widely. As of 2026, Montana ($35), Kentucky ($40), and Arkansas ($45) have the lowest one-time LLC formation fees. Arizona, Colorado, Hawaii, Iowa, Mississippi, Missouri, and New Mexico all charge $50. The two outliers on the high end are Massachusetts ($500) and Tennessee/Texas ($300+). Low filing fees are only one piece of the picture — annual reports, franchise taxes, and registered-agent requirements can add ongoing cost.
Why are Delaware and Wyoming popular for incorporation?
Delaware hosts more than 65% of Fortune 500 companies because of its specialized Court of Chancery (a centuries-old business-law court), well-developed case law, and statutory flexibility for boards and shareholders. Wyoming is the modern alternative for small businesses: no state corporate or personal income tax, strong privacy protections (members are not required on public filings), and a $100 LLC formation fee. Wyoming has ranked #1 on the Tax Foundation State Business Tax Climate Index every year since 2014.
What is a state franchise tax?
A franchise tax is a fee a state charges for the privilege of doing business there — it is owed regardless of profit. Texas, Delaware, California, New York, North Carolina, and roughly a dozen others impose franchise tax in some form. California's $800 annual LLC tax is one of the most-cited examples: even a dormant California LLC owes $800 per year to the Franchise Tax Board. The mechanics differ — gross-receipts-based (TX, WA), capital-stock-based (DE, NY), or flat-fee (CA).
Which states have no state income tax?
Nine states levy no broad-based individual income tax: Alaska, Florida, Nevada, New Hampshire (taxes only interest/dividends, phasing out by 2027), South Dakota, Tennessee, Texas, Washington, and Wyoming. For a sole proprietor or pass-through entity (S-corp, partnership, LLC), this means business profits flow through to the owner and are not taxed at the state level. C-corporations may still owe state corporate tax (e.g., Florida 5.5%, Tennessee 6.5%, New Hampshire 7.5%), or a substitute tax like Washington's B&O or Nevada's Commerce Tax.
Do I need a state business license to operate?
It depends. A handful of states require a general statewide business license for any business operating in the state: Alabama, Alaska, Delaware, Hawaii, Maryland, Nevada, New Jersey, New Mexico, Ohio, Rhode Island, Tennessee, Washington, and West Virginia maintain various general-license regimes. Most other states require licenses only at the industry level (contractors, food service, cosmetology, etc.) or local level (city/county). Always check both the state and the city/county before opening.
More Missouri info:
Data verified: 2026-05-15 (data year 2026). Filing fees and tax rates change frequently — always confirm with the Missouri Secretary of State and Department of Revenue before forming an entity or filing tax returns. Sources: MO SOS; Tax Foundation 2025; DOL Min Wage 2026.