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Registered agent guide · Montana

Montana Registered Agent Requirements (2026): State Fees on File and the 3 Best Agents

Mainstay Filing ($149 a year), Registered Agent MT.org ($99 a year) and Montana Registered Agent.co ($99 a year) is our order for a registered agent in Montana for 2026. Montana makes a registered agent a condition of doing business as an LLC. Recurring state fees: $20 per year, 18th of 50.

Desk note by LLC Data Desk ·

Montana data on file

18thof 50, yearly state costRank 1 is the smallest total. Open the 50-state table
Registered agent required
YesData: mca.legmt.gov, pulled October 2026
Annual report
$20 / yrDate set by the state: April 15. Data: sosmt.gov, pulled October 2026
Total owed to the state, 1 yr
$20Yearly cost to the state after formation

Desk picks for Montana

Weights are on the method page. The two heaviest: three-year fees and coverage.

1. Mainstay Filing: best for owners who may add states

Top rankedYr 1 $149, yr 2 $149

Mainstay Filing takes first: one $149 agent fee across all fifty states, so a growing company keeps one vendor.

Expect to pay $150 more than Registered Agent MT.org over three years, with fewer filings left to you.

What the fee covers

  • Street address for the registered office
  • No fee for same-business-day scanning of papers served on the company
  • Government mail: first three pieces each year scanned, no fee
  • Also open to nonprofits, corporations, LPs and LLPs

Pros

  • One provider, any state
  • Flat $149/yr

Cons

  • Registered Agent MT.org charges $50 less per year
  • Report filing sits with the formation package
Visit Mainstay FilingPartner link. We may earn money if you buy.

2. Registered Agent MT.org: best for the smallest flat agent fee

In-state optionYr 1 $99, yr 2 $99

We rank Registered Agent MT.org second. Reason: flat $99 annually, with served papers scanned and sent on.

What the fee covers

  • Street address for the registered office
  • Legal papers scanned and uploaded

Pros

  • Under Mainstay Filing on yearly fee
  • Flat $99/yr

Cons

  • Montana alone
  • Nothing is done on the annual report for you
Visit Registered Agent MT.orgPartner link. We may earn money if you buy.

3. Montana Registered Agent.co: best for an in-state office address

In-state optionYr 1 $99, yr 2 $99

We rank Montana Registered Agent.co third. Reason: flat $99 annually, with served papers scanned and sent on.

Same prices as Registered Agent MT.org.

What the fee covers

  • Street address for the registered office
  • Legal papers scanned and uploaded

Pros

  • Flat $99/yr
  • Under Mainstay Filing on yearly fee

Cons

  • Montana alone
  • Nothing is done on the annual report for you
Visit Montana Registered Agent.coPartner link. We may earn money if you buy.

The 3 picks compared

#ServiceAnnual feeRenewal feeService fees, 3 yrs
1Mainstay Filing$149$149/yr$447Visit Mainstay FilingPartner link. We may earn money if you buy.
2Registered Agent MT.org$99$99/yr$297Visit Registered Agent MT.orgPartner 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.
Fees pulled from each company's own pages on November 12, 2026. Any agent, same Montana fees.

Agent and state fees by year

Agent fees plus the state's recurring charges (the annual report from year two). Formation fees are left out.
With Mainstay Filing, 3 years cost $487 in all, split $40 and $447.

Montana next to nearby ranks

RkStateYearly state fees
16thIndiana$16
17thUtah$18
18thMontana$20
19thColorado$25
19thMichigan$25
The full ranking uses one method for all fifty states.

Montana registered agent requirements, from the Secretary of State (official)

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.

Who may serve: A commercial registered agent listed with the Secretary of State, or a noncommercial agent: an individual, including an owner, or an entity in Montana. Basis: Mont. Code Ann. § 35-7-105.

Yearly state fees, Montana LLC

Recurring: the annual report, $20 every year, April 15. Penalty $15.

How the Montana order was set

Mainstay Filing wins on scope of the price, worth 29%; Registered Agent MT.org is next.

Fifty-state coverage outweighed Registered Agent MT.org on our weights.

Montana: questions

A registered agent required for Montana LLCs?

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

Who can be the registered agent for Montana LLCs?

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

Yearly cost of registered agent service for Montana?

Our picks: $99 to $149 a year.

Yearly state fees on an LLC?

$20 a year on our yearly measure: the annual report ($20 every year).

Which registered agents are ranked here?

Mainstay Filing ($149 a year), Registered Agent MT.org ($99 a year) and Montana Registered Agent.co ($99 a year), beginning with the top pick.

Which registered agent do you pick?

Mainstay Filing, Registered Agent MT.org and Montana Registered Agent.co, by rank.

Keep going

Basis for this page

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