Missouri Payroll Tax Registration

If you've recently hired an employee in Missouri, it's important to understand the process of payroll tax registration. This involves registering with the Missouri Department of Revenue to fulfill your employer tax obligations and ensure compliance with state laws.

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.

Use Mosey to register for payroll tax in Missouri.

Missouri Withholding Tax Setup

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 Unemployment Insurance Setup

If you have employees in Missouri, you are required to register with the Department of Labor and Industrial Relations for an Unemployment Insurance account. Note: If you register before the start date of your first hire in Missouri, your registration will not complete.

  1. Create a UInteract Account

    Select "New Account Registration" then "I need to register a business" 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.

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