Foreign LLC Filing › Montana
Filing a foreign LLC in Montana
To file a foreign LLC in Montana, send Application for Certificate of Authority (foreign limited liability company) and the $70 fee to the Montana Secretary of State, Business Services.
The filing packet
| Item | Montana requirement | Note |
|---|---|---|
| Application | Application for Certificate of Authority (foreign limited liability company) | Download from the office |
| Filing fee | $70 | Paid to the state |
| Home-state certificate | Not required for an LLC | Nothing to order |
| Registered agent | A registered agent with a Montana street address | Named on the application |
Where it goes
- Receiving office
- Montana Secretary of State, Business Services
- Application
- Application for Certificate of Authority (foreign limited liability company)
- Fee
- $70
Paying for it
The $70 is the whole state charge for the filing.
Best 3 Foreign Registration Services in Montana (2026)
A service can assemble and send this packet. For Montana these are the three we would choose.
1. Mainstay Filing
$199 + $70 state fee = $269
Registered agent free for the first year, then $149 a year.
2. Registered Agent MT.org
$199 + $70 state fee = $269
Registered agent included for the first year, then $99 a year.
3. Montana Registered Agent.co
$199 + $70 state fee = $269
Registered agent included for the first year, then $99 a year.
Service prices read from each provider’s Montana page on October 28, 2026. The state fee is the official figure below and is paid to the Montana Secretary of State, Business Services.
Montana filing questions
Where do I file a foreign LLC in Montana?
With the Montana Secretary of State, Business Services. Its filing page is linked in the table above.
What do I attach to the Montana filing?
Nothing beyond Application for Certificate of Authority (foreign limited liability company) and the fee. Montana does not ask an LLC for a home-state certificate.
What does the Montana filing cost?
$70 to the state. A filing service adds its own $199.
Sources
- Montana Secretary of State, business fees: sosmt.gov/business/fees/, checked October 8, 2026
- MCA 35-8-1003, application contents: mca.legmt.gov/bills/mca/title_0350/chapter_0080/part_0100/section_0030/0350-0080-0100-0030.html, checked October 8, 2026
- Montana Secretary of State, register a business: help.sosmt.gov/en/article/register-a-business-v0307u/, checked October 8, 2026
- MCA 35-8-1001, transacting business: mca.legmt.gov/bills/mca/title_0350/chapter_0080/part_0100/section_0010/0350-0080-0100-0010.html, checked October 8, 2026
- MCA 35-8-1002, consequences: mca.legmt.gov/bills/mca/title_0350/chapter_0080/part_0100/section_0020/0350-0080-0100-0020.html, checked October 8, 2026