Registered agent price index · Montana
3 Best Registered Agents 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
Montana in figures
The indexed ledger
1. Mainstay Filing: best for a nationwide agent
Best value on the ledgerLine one is Mainstay Filing: the same $149 yearly price in all fifty states.
Registered Agent MT.org saves $150 across three years and leaves more filings with you.
Line includes
- An office address in the state
- Three government mailings a year, scanned at no cost
- Serves nonprofits, corporations, LPs and LLPs along with LLCs
Credits
- Valid in any state
- $149, every year
Debits
- Priced $50 higher annually
- You still handle the reports
2. Registered Agent MT.org: best for the smallest three-year sum
Single-state planRegistered Agent MT.org fills line 2: one state, $99 a year, $99 at renewal.
Line includes
- A physical in-state office address
- Service of process, scanned and posted
Credits
- Undercuts Mainstay Filing per year
- $99 a year, unchanged at renewal
Debits
- Expanding means finding another agent
- No help with the annual report
3. Montana Registered Agent.co: best for a nearby alternative
Single-state planMontana Registered Agent.co fills line 3: one state, $99 a year, $99 at renewal.
It matches Registered Agent MT.org to the dollar.
Line includes
- A physical in-state office address
- Service of process, scanned and posted
Credits
- $99 a year, unchanged at renewal
- Undercuts Mainstay Filing per year
Debits
- Expanding means finding another agent
- No help with the annual report
Subtotal by year
| Line | Provider | Total, year 1 | Total, year 2 | Total, year 3 | Total, year 5 | |
|---|---|---|---|---|---|---|
| 1 | Mainstay Filing | $149 | $298 | $447 | $745 | Visit Mainstay FilingPartner link. We may earn money if you buy. |
| 2 | Registered Agent MT.org | $99 | $198 | $297 | $495 | Visit Registered Agent MT.orgPartner link. We may earn money if you buy. |
| 3 | Montana Registered Agent.co | $99 | $198 | $297 | $495 | Visit Montana Registered Agent.coPartner link. We may earn money if you buy. |
Cost calculator
What Montana charges itself
| Entry | Amount | Cited from |
|---|---|---|
| Filing the LLC | $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 |
| Three-year state subtotal | $75 | Total of the above |
The Montana index, explained
Mainstay Filing indexed above Registered Agent MT.org on coverage per dollar, a 32% column.
Registered Agent MT.org costs less here; fifty-state coverage carried more weight.
Official Montana registered agent requirements (Montana Secretary of State)
Every LLC must name a registered agent with an in-state street address.
A commercial registered agent listed with the Secretary of State, or a noncommercial agent: an individual, including an owner, or an entity in Montana. Rule: Mont. Code Ann. § 35-7-105.
The address has to be an actual street address or rural route box number in Montana. A P.O. box alone is not enough.
Citation: mca.legmt.gov (read October 2026) per the state
The no-service line
The no-service choice costs nothing extra for an eligible owner. What the lines above sell is time, at $99 to $149 a year.
Common questions
How much does a Montana registered agent charge each year?
From $99 to $149 a year on this ledger.
What do three years of agent service cost?
Year one plus two renewals comes to $297 to $447.
Does Montana require a registered agent for every LLC?
Yes. Every LLC must name a registered agent with an in-state street address.
May I serve as my own registered agent?
Yes, as long as you meet the eligibility and address rules on this page.
What does the state collect from the LLC every year?
Annual report: $20 per year, due April 15.
When does one line pass another in total cost?
They never cross in ten years, so the year-one order holds.
Which registered agent indexes best in Montana?
By our value index, the Montana lines run Mainstay Filing, Registered Agent MT.org and Montana Registered Agent.co. Mainstay Filing leads on coverage per dollar.
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).
- Price input, Mainstay Filing Montana service page, taken November 13, 2026
- Price input, Registered Agent MT.org pricing page, taken November 13, 2026
- Price input, Montana Registered Agent.co pricing page, taken November 13, 2026