How much does an LLC cost in Montana?
The state filing fee to form an LLC in Montana is $35. Articles of Organization.
Montana requires an annual Annual Report. The fee is $20. Montana has announced fee waivers for on-time annual reports in some years; check the current year.
When is the Montana annual report due?
The Montana Annual Report is due april 15 every year, starting the year after formation.
Late penalty: Fee rises to $35 after April 15.
Find your next Montana due date
Official sources
- sosmt.gov/wp-content/uploads/business_filing_fees.pdf
- sosmt.gov/secretary-christi-jacobsen-reminds-businesses-of-april-15th-annual-report-deadli
Last checked October 16, 2026. Spotted a change? See our methodology & corrections page.
Montana LLC FAQ
How much does an LLC cost in Montana?
The state filing fee to form an LLC in Montana is $35. After that, the Annual Report costs $20 every year.
When is the Montana LLC annual report due?
The Montana Annual Report is due april 15 every year, starting the year after formation.
Does Montana require an annual report for LLCs?
Yes. Montana LLCs file the Annual Report every year.
What happens if I file late in Montana?
Fee rises to $35 after April 15. Continued failure to file can lead to loss of good standing or administrative dissolution.