Verified by the LicensePro editorial team · Updated May 2026
Complete guide to requirements, costs, and the application process
Updated as of May 2026Choose between sole proprietorship, LLC, corporation, or partnership. This affects your filing requirements and costs in Montana.
File with Montana Secretary of State at sosmt.gov. LLCs need Articles of Organization; corporations need Articles of Incorporation.
Apply for a free Employer Identification Number from the IRS at irs.gov. Required for tax filing, hiring employees, and opening a business bank account.
Submit your application to the local city or county clerk's office. Typical cost: $0–$350. Processing time: 30-90 days (IRS acceptance letter).
Check for zoning, health, or industry-specific permits required in your municipality.
Mark your calendar for once (continues until revoked) renewal. File annual reports with Montana Secretary of State and maintain any required insurance or bonding.
Select a city for specific local requirements, costs, and application steps.
A s-corporation election in Montana typically costs between $0 and $350, depending on the city and business type. Montana has no sales tax, making it attractive for certain businesses.
Processing time is typically 30-90 days (IRS acceptance letter). Some cities may process faster or slower depending on application volume and completeness.
In Montana, you typically apply through your local city or county clerk's office. The state regulatory agency is Montana Secretary of State (sosmt.gov).
Montana generally does not require a separate state-level business license, but you will need to register with Montana Secretary of State and obtain any required tax permits.
All Montana licensing information on this page is sourced from state and federal agencies. Always confirm current fees and requirements directly with the issuing authority before filing:
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