Free Online Calculator
Montana LLC Annual Tax & Fee Calculator
Calculate your total costs for forming and maintaining an LLC in Montana. No sales tax.
Need Registered Agent Service?
Required if no MT address
First Year Total
$90
One-Time Formation Costs
Annual Fees
Very Low Ongoing Costs
Montana has some of the lowest LLC maintenance costs. Great choice for budget-conscious business owners.
Montana LLC Key Facts
Important information for Montana LLC owners
No sales tax
Low annual fee ($20)
Popular for vehicle LLCs
Privacy-friendly
Montana LLC Deadlines & Due Dates
Important dates for Montana LLC compliance
Annual Tax Due
April 15 (if applicable)
Annual Report
April 15 each year
Processing Time
5-7 business days
Montana LLC Forms
Required forms for Montana LLC compliance
Montana LLC FAQ
Common questions about Montana LLC taxes and fees
Official Montana Resources
- Montana Secretary of State
Business filings
- Montana Department of Revenue
Tax information
Fees are subject to change. This calculator provides estimates based on current Montana law. Consult with a tax professional or attorney for advice specific to your situation. Fee information accurate as of January 12, 2026.