📝 Overview
This guide covers state tax information for employers running payroll in Missouri. Use the sections below to find agency contact information, supported tax filings, and the account details required for tax setup.
⚙️ Missouri Tax Information
Click the arrow to view Withholding information
Click the arrow to view Withholding information
Agency Information
Website: Missouri Department of Revenue
Phone: (573) 522-0967
Supported Tax Filings
Employer's Return of Income Taxes Withheld (MO-941)
Required for Tax Setup
Withholding Account Number (8 digits, e.g., 12345678)
Filing Frequency (Quarter-Monthly, Monthly, Quarterly, or Annually)
Click the arrow to view Unemployment Insurance information
Click the arrow to view Unemployment Insurance information
Agency Information
Website: Missouri Department of Labor and Industrial Relations
Phone: (573) 751-1995
Supported Tax Filings
Unemployment Quarterly Contribution & Wage Report
Required for Tax Setup
Unemployment Employer Account Number (10 digits, e.g., 12-34567-8-12)
Unemployment Contribution Rate (X.XX%)
Click the arrow to view Local Withholding information
Click the arrow to view Local Withholding information
Missouri has local withholding taxes in addition to state withholding. DaySmart Payroll supports paying and filing most localities; however, each city or county sets its own rules and a full list cannot be provided here. If a local tax applies, you will be prompted to enter the necessary tax information during account setup.
❓ Frequently Asked Questions (FAQs)
Find answers to common questions or additional details that may not be covered in the main instructions.
Click the arrow to view frequently asked questions
Click the arrow to view frequently asked questions
Where do I find my Missouri withholding account number?
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Click the arrow to see the answer
Your Missouri withholding account number is an 8-digit number assigned by the Missouri Department of Revenue when you register. It can be found on agency correspondence or by logging into your MyTax Missouri account.
How do I find my Missouri unemployment account number and contribution rate?
Click the arrow to see the answer
Click the arrow to see the answer
Your unemployment account number and contribution rate are assigned by the Missouri Department of Labor and Industrial Relations when you register. Your rate is included in an annual rate notice. If you need to look these up, log into your UInteract account or contact the agency at (573) 751-1995.
What if my city or county has a local withholding tax?
Click the arrow to see the answer
Click the arrow to see the answer
If a local withholding tax applies to your business, you will be prompted to enter the required tax information during account setup. Each Missouri city or county sets its own rules. If you have questions about a specific locality, contact DaySmart Support for guidance.