Forming an LLC in Montana costs $35 to file with the state. Ongoing, you file: Annual report ($20), due April 15. Cheapest filing fee and no state sales tax.
Montana LLC at a glance
| State filing fee | $35 |
| Processing time | ~1 week; expedited available |
| Annual/biennial report | Annual report ($20), due April 15 |
| Franchise / annual tax | None |
| State income tax | Yes |
| State sales tax | No state sales tax |
| Sales-tax economic nexus | n/a (no sales tax) |
| Registered agent | Required (in-state address) |
| Publication requirement | No |
| Anonymous ownership | Not available (ownership is on record) |
Research snapshot last checked 2026-07-21. Fees and deadlines change - confirm on the Montana Secretary of State and tax authority before filing.
Does Montana fit your situation?
Montana puts ownership on the public record, so it is not the choice if you need anonymity. It levies a state income tax. Cheapest filing fee and no state sales tax.
If you do not live or operate in Montana, remember that forming here while working elsewhere can create a second state registration (foreign qualification) and a second set of fees. For most non-residents the decision comes down to banking acceptance and total cost - see the best-state comparison.
Steps to form in Montana
- Check name availability and appoint a Montana registered agent.
- File the Articles of Organization ($35) with the state.
- Get an EIN from the IRS (Form SS-4 by fax or phone if you have no SSN).
- Confirm banking and payment eligibility for your residence country.
- Put the report on a calendar: Annual report ($20), due April 15.
Generate your Montana deadline calendar · Check your US tax obligations
Quick answers
Frequently asked questions
How much does an LLC cost in Montana?
The state filing fee is $35. Ongoing you file annual report ($20), due april 15. There is no separate franchise tax.
Does Montana require an annual report?
Yes: Annual report ($20), due April 15.
Is Montana a good state for a non-resident LLC?
Cheapest filing fee and no state sales tax. Base the decision on where you actually operate, banking acceptance and total cost, not only the filing fee.