Step by step · Montana
3 Best Foreign Registration Services in Montana (2026) for Owners
Quick explanation
- Registration fee at the state
- $70
- Proof of existence?
- No certificate
- Later filings
- No fee, annual report
- Where we would start
- Montana Registered Agent.co, Mainstay Filing then Registered Agent MT.org
Services we would pick in Montana
Ranked using five checks described on our method page.1. Montana Registered Agent.co: best for a lean registration
Year one costs $199; later years cost $99
Montana Registered Agent.co comes out on top: three years of service fees come to $397.
Of the two, it has the lower three-year cost, and that is the first thing we weigh.
Includes
- Registration filed for you
- No agent charge in year one
Points in its favor
- A modest renewal of $99
- A service fee of $199
- Year-one agent service is included
Where it falls short
- Nothing outside this state
2. Mainstay Filing: best for a fee that stays the same everywhere
Year one costs $199; later years cost $149
In second place is Mainstay Filing, because its $199 fee is the same in every state, and the first year of registered agent service is included.
That $100 gap over three years explains why it ranks below Montana Registered Agent.co.
From the second year, $149 a year covers the registered agent anywhere.
Includes
- Application prepared and filed
- Registered agent, free during year one
- Nationwide, one fee
Points in its favor
- Agent service is free for year one
- $199 plus Montana's fee
- One fee wherever you register
Where it falls short
- Agent costs $50 more each year
3. Registered Agent MT.org: best for a one-state add-on
Year one costs $199; later years cost $99
Number 3 on the list is Registered Agent MT.org, where three years of service fees come to $397.
It charges exactly what Montana Registered Agent.co charges; either would serve you well.
Includes
- Registration filed for you
- No agent charge in year one
Points in its favor
- Year-one agent service is included
- A modest renewal of $99
- A service fee of $199
Where it falls short
- Nothing outside this state
The picks compared
| # | Company | Year one | Renewal price | Three-year total | What you get | |
|---|---|---|---|---|---|---|
| 1 | Montana Registered Agent.co | $199 | $99/yr | $397 | registration filed for you; no agent charge in year one | Open Montana Registered Agent.coPartner link. We may earn money if you buy. |
| 2 | Mainstay Filing | $199 | $149/yr | $497 | application prepared and filed; registered agent, free during year one; Nationwide, one fee | Open Mainstay FilingPartner link. We may earn money if you buy. |
| 3 | Registered Agent MT.org | $199 | $99/yr | $397 | registration filed for you; no agent charge in year one | Open Registered Agent MT.orgPartner link. We may earn money if you buy. |
Key questions
At what point is registration required?
An LLC from elsewhere that plans to do business in Montana must register first.
Doing business without registering risks the state's courts are closed to its own claims (MCA 35-8-1002(1)); daily fines of $5.
see mca.legmt.gov, October 2026
What will registering set me back?
$70 goes to the state, plus $199 if a service handles it.
The state's three-year fees come to $70. see mca.legmt.gov, October 2026
Where is the paperwork sent?
You file the Application for Certificate of Authority (foreign limited liability company) with the Montana Secretary of State, Business Services, and that is all.
The state does not require a home-state certificate.
What do I owe after registering?
Annual report: no fee.
Mark your calendar for April 15.
What put number one on top?
The deciding factor is what three years cost (34% of the weight), where Montana Registered Agent.co is strongest.
Our weighting leans on what three years cost first and how much work the price handles second, then three smaller factors.
Montana Registered Agent.co comes to $397 across three years, $100 less than Mainstay Filing.
What Montana requires
| Requirement | Fee or rule | Reference |
|---|---|---|
| Application fee | $70 | see mca.legmt.gov, October 2026 |
| Document from home state | No certificate | see mca.legmt.gov, October 2026 |
| Years one to three, state fees | $70 | Sum of the figures above |
Further questions
Does my home state still require an agent?
Yes, each state has its own requirement. A one-state service covers only the state it is in.
What is the three-year price of each?
Montana Registered Agent.co at $397, Mainstay Filing at $497, Registered Agent MT.org at $397, not counting state fees.
Where do the numbers come from?
Official schedules for state fees, company pricing for service fees, and every figure carries a date.
Could I skip the service?
Not required. Services charge to do the paperwork for you.
Do the recommended companies file it?
Yes. Every pick files it for you, and the state fee is the same either way.
What is the best foreign registration service for Montana?
Montana Registered Agent.co ranks first on what three years cost, ahead of Mainstay Filing and Registered Agent MT.org.
Sources used on this page
- Montana Secretary of State fee, found at sosmt.gov, confirmed October 2026
- Montana yearly filing: Annual report, found at sosmt.gov, confirmed October 2026
- Montana yearly filing: Annual report, found at sosmt.gov, confirmed October 2026
- Montana report due date, found at mca.legmt.gov, confirmed August 2026
- Mont, found at mca.legmt.gov, confirmed August 2026
- Montana formation fee: Filing fee, found at sosmt.gov, confirmed October 2026
- Montana registered agent statute, found at mca.legmt.gov, confirmed October 2026
- Montana Secretary of State, register, found at help.sosmt.gov, confirmed October 2026
- MCA 35-8-1001, transacting business, found at mca.legmt.gov, confirmed October 2026
- MCA 35-8-1002, consequences, found at mca.legmt.gov, confirmed October 2026
- MCA 35-8-1003, application contents, found at mca.legmt.gov, confirmed October 2026
- Fetched November 13, 2026: the Montana Registered Agent.co pricing page
- Fetched November 13, 2026: the Mainstay Filing Montana service page
- Fetched November 13, 2026: the Registered Agent MT.org pricing page