How to Get a Business License in St. Louis: What You Need to Know (2026)
The Quick Version
Starting a business in St. Louis, MO requires permits and registrations across multiple government layers — federal, state, Independent city (county), and city. The primary city-level requirement is the Business License, issued by the License Collector's Office. Most businesses need 5 to 10 separate registrations, and the order you complete them matters because each step has dependencies on the ones before it.
The base fee for a Business License in St. Louis is Varies — 1% city earnings tax. Contact the License Collector's Office at 314-622-4528 for current requirements. More information is available at stlouis-mo.gov.
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What Makes St. Louis Different
St. Louis has several characteristics that affect the licensing process:
- St. Louis is an independent city — NOT in St. Louis County
- Earnings tax on individuals and businesses
- License Collector is separate elected official
- East side is Illinois — cross-state considerations
The Permit Stack: What You Need
Most businesses in St. Louis need permits from four levels of government:
Federal: An EIN (Employer Identification Number) from the IRS — free and available instantly online at irs.gov/ein.
State (MO): LLC or Corporation filing through the MO Secretary of State. Filing fee: $50 LLC, processing time: 3-5 business days.
County (Independent city): Health permits (for food businesses), building inspections, and any county-specific requirements.
City (St. Louis): Business License from the License Collector's Office. Base fee: Varies — 1% city earnings tax. Phone: 314-622-4528.
How Long Does It Take?
Most businesses in St. Louis can be fully licensed and operational within 4 to 12 weeks, depending on the business type. Simple home-based businesses can often complete the process in 2 to 4 weeks, while restaurants, bars, and businesses requiring inspections typically take 8 to 12 weeks.
The dependency chain matters — some permits can't be applied for until others are in place. Getting the order wrong means delays and wasted time.
Don't Guess — Get Your Roadmap
Every business type has different requirements, and St. Louis has its own quirks that generic state guides miss. PermitBoard analyzes your specific business type against St. Louis's actual requirements and gives you a step-by-step plan with fees, timelines, and direct links to every form.