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Statewise Business The state fee almanac for LLCs, sourced line by line.

Registered agent guide · Montana

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

Almanac pick for registered agent service in Montana, 2026: Mainstay Filing ($149 a year), Montana Registered Agent.co ($99 a year) and Registered Agent MT.org ($99 a year), ranked first to last. Each Montana LLC keeps a registered agent on record. The state's recurring charges come to $20 a year, ranking 18th of 50.

Entry by the Statewise Business almanac desk ·

Montana fee schedule

18thof 50, yearly state feesOrdered from least to most expensive. Every state
Registered agent required
Yesmca.legmt.gov (read October 2026)
Annual report
$20 / yrFalls due: April 15. sosmt.gov (read October 2026)
State fees per year
$20Recurring state charges, yearly basis

Montana: the almanac's picks

Why this order: service fees across three years first, then coverage, renewal, Montana fit and fee clarity (methodology).

1. Mainstay Filing: best for one agent for any state

Rank one$149 a year, unchanged on renewal

Entry one is Mainstay Filing: $149 a year and the same at renewal, with every state covered.

The premium over Montana Registered Agent.co is $150 across three years, and more of the state's paperwork gets handled for it.

In the price

  • Montana street address on the public record
  • Papers served on the company scanned within the same business day, free
  • Your first three government letters each year, scanned free
  • Serves LLCs, corporations, LPs, LLPs and nonprofits alike

Strengths

  • $149 yearly, no step up
  • Fifty-state reach

Weak points

  • Costs $50 more a year than Montana Registered Agent.co
  • Reports are not filed on the agent plan
Visit Mainstay FilingPartner link. We may earn money if you buy.

2. Montana Registered Agent.co: best for a Montana-only company

Montana specialist$99 a year, unchanged on renewal

Rank 2, Montana Registered Agent.co: $99 yearly for a Montana agent with an in-state office address.

In the price

  • Registered office street address
  • Scans of papers served on the company, online

Strengths

  • $99 annually
  • Yearly price below Mainstay Filing

Weak points

  • One state only
  • Annual report stays with you
Visit Montana Registered Agent.coPartner link. We may earn money if you buy.

3. Registered Agent MT.org: best for a local agent

Montana specialist$99 a year, unchanged on renewal

Rank 3, Registered Agent MT.org: $99 yearly for a Montana agent with an in-state office address.

Price for price it matches Montana Registered Agent.co; either does the job.

In the price

  • Registered office street address
  • Scans of papers served on the company, online

Strengths

  • $99 annually
  • Yearly price below Mainstay Filing

Weak points

  • One state only
  • Annual report stays with you
Visit Registered Agent MT.orgPartner link. We may earn money if you buy.

Montana picks in one table

#EntryPrice a yearRenewalService fees over three years
1Mainstay Filing$149$149/yr$447Visit Mainstay FilingPartner link. We may earn money if you buy.
2Montana Registered Agent.co$99$99/yr$297Visit Montana Registered Agent.coPartner link. We may earn money if you buy.
3Registered Agent MT.org$99$99/yr$297Visit Registered Agent MT.orgPartner link. We may earn money if you buy.
Each price was taken from the company's own pages on November 12, 2026. Montana's own fees do not depend on the agent.

Upkeep calculator

Each agent's price is paired with the repeating state fees (the annual report from year two); formation fees are left out of the total.
Mainstay Filing for 3 years: $40 to the state, $447 to the service, $487 in all.

Montana among its neighbors in the rank

PositionStateYearly state fees
16thIndiana$16
17thUtah$18
18thMontana$20
19thColorado$25
19thMichigan$25
Find the other states in Registered agent rules by state.

Montana registered agent rules as the state states them

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 act: 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.

Montana's repeating fees

Mail about the annual report reaches your registered agent; the report costs $20 every year and falls due April 15.

Why Mainstay Filing is listed first

Requirements covered settled first place in Montana. It carries 28% of the score, and the other criteria are added cost over three years, renewal terms, fit with state rules, fee clarity.

Fifty-state coverage outscored Montana Registered Agent.co on our weights.

Montana FAQ

Is a registered agent compulsory in Montana?

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

Who is allowed to act as the registered agent in Montana?

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 a Montana registered agent charge each year?

The agents listed here charge $99 to $149 a year.

What does the state charge an LLC every year?

$20 a year on the almanac's yearly measure, which is the annual report ($20 every year).

Which registered agents does this entry list?

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

Which registered agent should I choose?

Mainstay Filing, Montana Registered Agent.co and Registered Agent MT.org, in the order shown.

Related entries

Citations for this entry

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