Register in Montana

Montana tax agencies

  • Montana Department of Revenue (DOR) - income tax withholding
  • Montana Department of Labor & Industry (DLI) - unemployment tax

Set up an existing company

Business that have run payroll in Montana before can find their Withholding Account ID on notices received from the Montana Department of Revenue or by calling the agency at (866) 859-2254.

If you've run payroll in Montana previously, you can find your UI Account Number on notices received from the Montana Department of Labor & Industry such as the Welcome Letter, Form UI-5 or by calling the agency at (800) 550-1513. If you have an older UI Account Number that is only 6 digits, you can add a zero to the front of it when adding it to Gusto.

UI Contribution Rate: The UI Contribution Rate can be found on the Welcome Letter or Subjectivity Letter that is received from the Montana Department of Labor & Industry. It ranges from 0.13%–9.36% with a wage base of $31,400. If you’re unsure, verify your rate by calling the agency at (800) 550-1513.

Register a new company

Income tax withholding

If this is your first time running payroll in Montana, you can register with the Montana Department of Revenue online. Once on the webpage, click the "Sign up now" button on the lower left side of the page. You should receive your Withholding Account ID in 10 to 14 business days by mail. Please keep this time frame in mind when planning your first Montana payroll. Alternatively, you may call the agency to inquire about your Withholding Account ID 48 hours after registering online.

Unemployment tax

New employers in the state of Montana can register with the Montana Department of Labor & Industry online. You should receive your UI Account Number in 7 days after registering online.

UI Contribution Rate: The UI Contribution Rate can be found on the Welcome Letter or Subjectivity Letter that is received from the Montana Department of Labor & Industry. It ranges from 1.18% to 3.93% for new employers with a wage base of $31,400. If you’re unsure, verify your rate by calling the agency at (800) 550-1513.

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