Missouri Payroll Tax Registration

If you are an employer in Missouri who has recently hired an employee, you will need to register for payroll taxes with the Missouri Department of Revenue. This registration process ensures that you are compliant with state tax laws and able to properly withhold and remit taxes on behalf of your employees.

How Missouri Payroll Registration Works

There are 2 payroll tax setup tasks you may need to complete in Missouri to get your new hire on payroll for the first time. You can follow the guide below to help you get registered directly with the Missouri agencies or use Mosey to do it.

Missouri Unemployment Insurance Setup for PLLC, Professional Corporation, LLP, LLC, Corporation

If you pay $1,500 or more in wages in a calendar quarter or have at least one employee for some portion of the day in each of 20 different weeks of a calendar year, you are required to register with the Department of Labor and Industrial Relations for an Unemployment Insurance account. If you register before the start date of your first hire in Missouri, your registration cannot be completed.

1. Create a UInteract Account
   

   Select "Create Account" then "I need to register a business for an unemployment account" to create a UInteract account.

2. Register for an Unemployment Insurance Tax Account
   

   Once your UInteract account is created, continue with the application to register for an Unemployment Insurance tax account. Your Employer Account Number and Unemployment Insurance tax rate are typically issued immediately after registration.

3. Configure Payroll with Unemployment Insurance Information
   

   Add your Unemployment Account Number and Unemployment Insurance contribution rate (or reimbursable status) to your payroll provider.

Missouri Withholding Tax Setup for PLLC, Professional Corporation, LLP, LLC, Corporation

If you have Missouri employees, you must register with the Department of Revenue for a withholding tax account.

1. Register as a New Business
   

   Register as a new business on the Department of Revenue online portal to get your withholding tax account.

2. Create a MyTax Missouri Account
   

   Create a MyTax Missouri Account if you don't have an account. You will need to provide your tax account number and PIN.

Missouri's Payroll Registration Agencies

• Missouri Department of Labor & Industrial Relations
• Missouri Department of Revenue