For entrepreneurs evaluating Missouri as a business location in 2026, the tax landscape is a key factor. With a state sales tax of 4.225% and potential local additions of up to 5.763%, the combined rate can reach 9.99%.
Economic Nexus in Missouri
Remote sellers must collect Missouri sales tax if they exceed $100,000 in annual sales within the state. This threshold has been in effect since 2023-01-01. Marketplace facilitators like Amazon and Etsy are also required to collect and remit tax on behalf of third-party sellers. The Missouri Department of Revenue enforces these provisions and provides registration guidance at https://dor.mo.gov.
LLC Formation in Missouri (2026)
Forming an LLC in Missouri costs $50 for the initial filing. There is no annual franchise tax, keeping ongoing costs low. Missouri imposes a state income tax, which affects pass-through LLC taxation.
The process involves filing Articles of Organization with the Secretary of State, obtaining a federal EIN, and registering for applicable state tax accounts. You will also need a sales tax permit from the Missouri Department of Revenue.
Key Tax Rules
• Missouri has a 4.225% state sales tax rate.
• Local taxes can add up to 5.763%, creating combined rates over 10%.
• Groceries are taxed at a reduced 1.225% state rate.
• Missouri was one of the last states to adopt economic nexus rules in 2023.
Sales Tax Exemptions
The following categories are generally exempt from sales tax in Missouri: groceries (reduced rate), prescription drugs, medical devices. Businesses should maintain proper documentation for exempt transactions.