Missouri Sales Tax Guide for Small Businesses
Everything you need to know about sales tax in Missouri — rates, deadlines, exemptions, and how to stay compliant without the headache.
Last updated March 2026
Quick Facts
Missouri Sales Tax Rates
Missouri's state sales tax rate is 4.23%. Cities and counties can add local taxes on top. The average combined rate across Missouri is 8.23%.
The highest combined rate in the state can reach up to 11.99% in some jurisdictions.
Filing Deadlines & Frequency
Filing Frequency
Monthly, Quarterly, or Annual — assigned by MO DOR based on tax liability
Due Dates
20th of the month after the reporting period
File Online
Missouri Department of Revenue — MyTax Missouri: https://mytax.mo.gov/
What's Taxable for Restaurants & Food Businesses
Vendor Discount
Missouri offers a vendor discount
2% of tax due (timely filing discount) if filed and paid on time
This is money back in your pocket for filing on time. TaxAside files on time, every time — so you capture this discount automatically.
Penalties for Late Filing
Late Filing Penalty
5% per month, max 25% of tax due
Interest
Adjusted rate set by MO DOR
Miss a deadline and Missouristarts charging penalties and interest immediately. That adds up fast on a busy restaurant's tax bill.
TaxAside's On-Time Guarantee covers up to $5,000 in penalties if we ever file late.
Calculate Your Missouri Sales Tax
How TaxAside Helps in Missouri
- We file on time so you capture Missouri's vendor discount automatically.
- Daily set-asides mean no tax-day surprises. We pull, calculate, set aside, and file — you do nothing.
- On-Time Guarantee covers up to $5,000 in penalties if we're ever late filing your Missouri return.
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Tired of worrying about Missouri sales tax?
Let TaxAside handle it. We connect to your POS, set aside the right amount every day, and file your return on time — guaranteed.
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