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Filing MapperRoutes through every state's LLC paperwork, priced leg by leg.

Registered agent guide · Montana

Montana Registered Agent Route (2026): Rules, State Fees and the 3 Best Agents

2026 route for a registered agent in Montana: Registered Agent MT.org ($99 a year), Mainstay Filing ($149 a year) and Montana Registered Agent.co ($99 a year), ranked first to last. A registered agent is a fixed stop on the route. The state's own yearly charges: $20, or 18th of 50.

Surveyed by the Filing Mapper team

The Montana route in figures

18th

by the one-year odometer, of 50

Mile 1 is the lightest toll. See the full map

Registered agent required
Yes
Measured against mca.legmt.gov, October 2026
Annual report
$20 / yr
The checkpoint closes, in the state's words: April 15. Measured against sosmt.gov, October 2026
State toll, one year
$20
What the state tolls in a typical year

Montana: services on the route

Five weighted criteria set the stops in order, with three-year cost and steps covered counting most (the method lists them).

1. Registered Agent MT.org: best for companies that stay inside Montana

Our lead pick$99 for the year, $99 when it renews

Begin at Registered Agent MT.org, since a nearby agent at $99 a year whose street address goes on the public map.

Cost decides this stop: three years here come in under three years with Mainstay Filing.

The fare covers

  • Location in Montana on the public map
  • Served papers reach you as scans

On the plus side

  • A smaller yearly fare than Mainstay Filing
  • Fare $99, renewal fare $99

On the minus side

  • Runs in Montana only; other states need their own agent
  • No help clearing the annual report
Visit Registered Agent MT.orgPartner link. We may earn money if you buy.

2. Mainstay Filing: best for owners who expect to grow

Goes anywhere$149 for the year, $149 when it renews

Continuing, Mainstay Filing is the second alternative, since $149 per year here and the same elsewhere, with renewal at $149.

Registered Agent MT.org is $150 cheaper over three years, which accounts for its higher placement.

The fare covers

  • A physical office address the state recognizes
  • If papers are served on the company, they are scanned the same business day at no cost
  • Letters from government offices are scanned free, the first three each year
  • The same service runs for corporations, partnerships and nonprofits

On the plus side

  • Good in each of the fifty states
  • Fare $149, renewal fare $149

On the minus side

  • Costs $50 more a year than Registered Agent MT.org
  • An agent-only ticket, so the reports stay with the owner
Visit Mainstay FilingPartner link. We may earn money if you buy.

3. Montana Registered Agent.co: best for a nearby agent

Montana guide$99 for the year, $99 when it renews

Stop 3, Montana Registered Agent.co: a nearby agent at $99 a year whose street address goes on the public map.

Compared with Registered Agent MT.org, the fares come out level.

The fare covers

  • Location in Montana on the public map
  • Served papers reach you as scans

On the plus side

  • Fare $99, renewal fare $99
  • A smaller yearly fare than Mainstay Filing

On the minus side

  • Runs in Montana only; other states need their own agent
  • No help clearing the annual report
Visit Montana Registered Agent.coPartner link. We may earn money if you buy.

The 3 stops compared

StopProviderYearly rateRenewal rateProvider cost, three years
1Registered Agent MT.org$99$99/yr$297Visit Registered Agent MT.orgPartner link. We may earn money if you buy.
2Mainstay Filing$149$149/yr$447Visit Mainstay FilingPartner link. We may earn money if you buy.
3Montana Registered Agent.co$99$99/yr$297Visit Montana Registered Agent.coPartner link. We may earn money if you buy.

Fares as listed on November 12, 2026. The state bills the same whoever serves as agent.

Yearly route calculator

Each agent fare is paired with the state tolls that repeat (the annual report beginning in year two). The opening fee is not in the total.

$40 in state tolls plus $297 paid to Registered Agent MT.org makes $337 over 3 years.

Montana and the stops on either side of it

MileStateYearly state fees
16thIndiana$16
17thUtah$18
18thMontana$20
19thColorado$25
19thMichigan$25

For the other states, open Registered agent rules by state.

Montana registered agent requirements by statute

Every LLC must name a registered agent with an in-state street address. The address has to be an actual street address or rural route box number in Montana. A P.O. box alone is not enough.

Eligible agents: A commercial registered agent listed with the Secretary of State, or a noncommercial agent: an individual, including an owner, or an entity in Montana. Statute posted: Mont. Code Ann. § 35-7-105.

Yearly state tolls on a Montana LLC

One stop repeats: the annual report, $20 every year, April 15. Arriving late adds $15.

Reasoning for the order

Three-year charge on the route (35%) is the criterion on which Registered Agent MT.org outscored Mainstay Filing here.

Registered Agent MT.org's three-year provider cost is $297 ($150 under Mainstay Filing).

Montana registered agent questions

Does every Montana LLC have to carry a registered agent?

Yes. Every LLC must name a registered agent with an in-state street address.

Who is allowed to serve as the registered agent on a Montana route?

A commercial registered agent listed with the Secretary of State, or a noncommercial agent: an individual, including an owner, or an entity in Montana.

What does registered agent service cost per year for Montana?

Our picks cost $99 to $149 per lap.

What does the state toll an LLC every year?

$20 a year by our one-year measure, which is the annual report ($20 every year).

Which registered agents are on this route?

Registered Agent MT.org ($99 a year), Mainstay Filing ($149 a year) and Montana Registered Agent.co ($99 a year), from the first stop to the last.

Which registered agent should I take?

Start at Registered Agent MT.org: a flat $99 each year, and papers served on the company are scanned and forwarded. Further along, Mainstay Filing and Montana Registered Agent.co.

Keep traveling

Survey markers for this route

Survey marker
  1. Marker: Montana Secretary of State fee page and fee is documented at sosmt.gov, logged October 2026.
  2. Marker: Montana yearly filing: Annual report: fee, official source is documented at sosmt.gov, logged October 2026.
  3. Marker: Montana yearly filing: Annual report: fee, official source is documented at sosmt.gov, logged October 2026.
  4. Marker: Montana report due date is documented at mca.legmt.gov, logged August 2026.
  5. Marker: Mont is documented at mca.legmt.gov, logged August 2026.
  6. Marker: Montana formation fee: Filing fee, official source is documented at sosmt.gov, logged October 2026.
  7. Marker: Montana registered agent statute is documented at mca.legmt.gov, logged October 2026.
  8. Marker: Indiana Secretary of State, Business Services Division is documented at inbiz.in.gov, logged August 2026.
  9. Marker: Indiana Secretary of State, Business Services Division is documented at forms.in.gov, logged August 2026.
  10. Marker: Utah Division of Corporations and Commercial Code is documented at corporations.utah.gov, logged August 2026.
  11. Marker: Utah Division of Corporations and Commercial Code is documented at corporations.utah.gov, logged August 2026.
  12. Marker: Colorado Secretary of State is documented at sos.state.co.us, logged August 2026.
  13. Marker: Colorado Secretary of State is documented at sos.state.co.us, logged August 2026.
  14. Marker: Colorado yearly filing: Periodic report, official source is documented at coloradosos.gov, logged October 2026.
  15. Marker: Michigan Department of Licensing and Regulatory Affairs, Corporations is documented at michigan.gov, logged August 2026.
  16. Marker: Michigan Department of Licensing and Regulatory Affairs, Corporations is documented at michigan.gov, logged August 2026.
  17. Registered Agent MT.org's pricing page, as surveyed November 12, 2026
  18. Mainstay Filing's Montana service page, as surveyed November 12, 2026
  19. Montana Registered Agent.co's pricing page, as surveyed November 12, 2026