LLC price index · Montana
3 Best LLC Services in Montana (2026): Price Index
Index basis: Index of five columns: three-year cost (38%), coverage per dollar (32%), renewal step, crossover year and price transparency. Basis explained
Ledger summary
Montana: llc price index
1. Registered Agent MT.org: best for a stripped-down start
Highest valueRegistered Agent MT.org takes line one of the Montana index: the $99 renewal holds its three-year subtotal at $397.
It beats Mainstay Filing on the three-year column, the largest weight in the index.
The annual report is not part of its price.
Line includes
- Formation filing, prepared and sent
- Agent service in year one
Credits
- A formation price of $199
- $99 a year afterward
- Agent included at the start
Debits
- Filing the annual report is left to you
- EIN help is a separate $99
2. Mainstay Filing: best for a fixed annual cost
Nationwide serviceMainstay Filing indexes second. The entries: filing, registered agent and annual report together for $199 a year, renewing at $199.
On three-year cost it sits $200 behind Registered Agent MT.org.
The annual report gets filed for you, and the $20 the state charges is passed through at cost.
Line includes
- State formation handled
- Registered agent for the full year
- Annual report, prepared and filed
- The EIN application
- State fee billed at cost, no markup
Credits
- $199 annually, everything included
- EIN application included at no charge
- Renewal stays at $199
Debits
- From year two it runs $100 above Registered Agent MT.org
3. Montana Registered Agent.co: best for another in-state filer
Montana onlyNext on the ledger: Montana Registered Agent.co, with the $99 renewal holds its three-year subtotal at $397.
The annual report is not part of its price.
Same year-one and renewal prices as Registered Agent MT.org.
Line includes
- Formation filing, prepared and sent
- Agent service in year one
Credits
- $99 a year afterward
- A formation price of $199
- Agent included at the start
Debits
- Filing the annual report is left to you
- EIN help is a separate $99
Subtotal by year
| Line | Provider | Total, year 1 | Total, year 2 | Total, year 3 | Total, year 5 | |
|---|---|---|---|---|---|---|
| 1 | Registered Agent MT.org | $199 | $298 | $397 | $595 | Visit Registered Agent MT.orgPartner link. We may earn money if you buy. |
| 2 | Mainstay Filing | $199 | $398 | $597 | $995 | Visit Mainstay FilingPartner link. We may earn money if you buy. |
| 3 | Montana Registered Agent.co | $199 | $298 | $397 | $595 | Visit Montana Registered Agent.coPartner link. We may earn money if you buy. |
Cost calculator
Montana state fees (official)
| Entry | Amount | Cited from |
|---|---|---|
| Formation filing charge | $35 | sosmt.gov (read October 2026) per the state |
| Annual report | $20 every year | sosmt.gov (read October 2026) per the state |
| If the report is late | $15 | sosmt.gov (read October 2026) per the state |
| Paid to the state by year 3 | $75 | Total of the above |
The Montana index, explained
The deciding column for Montana was three-year cost index (38% of the index), where Registered Agent MT.org led.
Registered Agent MT.org subtotals $397 after three years, $200 below Mainstay Filing.
Counting the EIN application, Mainstay Filing's subtotal passes Registered Agent MT.org's in year 2.
Official Montana LLC filing fee and requirements
An LLC comes into being once the Montana Secretary of State accepts the Articles of Organization and $35. Every LLC must name a registered agent with an in-state street address.
Quoted from: sosmt.gov (read October 2026) per the state
Skipping the service
With no service, three years cost $75 in state fees alone. Each service adds its own line, $397 to $597 over the same period.
Common questions
How much does LLC formation service cost in Montana?
$199 for the service, $35 for the state.
What is the three-year subtotal for these services?
$397 to $597 in service fees, state charges excluded.
What fee does Montana charge to file an LLC?
$35, filed on the Articles of Organization.
What does Montana charge after the first year?
$20 annually for the annual report, with the deadline described as April 15.
Does any line include the EIN application?
It depends on the line: Registered Agent MT.org ($99), Mainstay Filing (included) and Montana Registered Agent.co ($99).
When does one line pass another in total cost?
No crossover point inside ten years.
Which LLC formation service indexes best in Montana?
Top to bottom, the Montana ledger reads Registered Agent MT.org, Mainstay Filing and Montana Registered Agent.co.
Source lines
- Cited under Montana Secretary of State fee: sosmt.gov (October 2026).
- Cited under Montana yearly filing: Annual report: sosmt.gov (October 2026).
- Cited under Montana yearly filing: Annual report: sosmt.gov (October 2026).
- Cited under Montana report due date: mca.legmt.gov (August 2026).
- Cited under Mont: mca.legmt.gov (August 2026).
- Cited under Montana formation fee: Filing fee: sosmt.gov (October 2026).
- Cited under Montana registered agent statute: mca.legmt.gov (October 2026).
- Ledger input from the Registered Agent MT.org pricing page, November 13, 2026
- Ledger input from the Mainstay Filing Montana service page, November 13, 2026
- Ledger input from the Montana Registered Agent.co pricing page, November 13, 2026