LLC · Montana · 2026

What an LLC really costs in Montana

Every state fee and deadline for an LLC in Montana, from the official state source, checked October 2026.

To form

$35

Articles of Organization

First year with the state

~$55

Filing + one round of required reports and minimum taxes

With Incorra

$35

Free filing, state fee at cost. Or $284 with Plus (agent + reports, $249/yr).

Every recurring requirement

  • Montana LLC annual reportEvery year by April 15. Due April 15 (starting year after formation); $20 by Apr 15, $35 after. SOS waived the fee for on-time 2026 and 2027 reports.$20

How fast

  • 24-hour priority handling+$20
  • 1-hour expedite+$100

Questions

How much does it cost to form an LLC in Montana?

Montana charges $35 to file the Articles of Organization.

What does an LLC cost every year in Montana?

Montana LLC annual report: $20, every year by April 15 (Due April 15 (starting year after formation); $20 by Apr 15, $35 after. SOS waived the fee for on-time 2026 and 2027 reports.).

Can I expedite an LLC filing in Montana?

Yes: 24-hour priority handling for $20, 1-hour expedite for $100, on top of the filing fee.

What if my LLC was formed in another state?

To do business in Montana you register as a foreign entity: Certificate of Authority (foreign LLC), $70.

Not sure an LLC is right?

Describe your business and Incorra compares LLC, S-corp and C-corp with your numbers, including the tax when you sell, then files it in Montana.

Plan my company free

Source: https://sosmt.gov/wp-content/uploads/business_filing_fees.pdf · verified 2026-10-15. State fees change; Incorra re-checks them regularly. General information, not legal or tax advice.