Required Registered agent Every state mandates one
$99 Cheapest RA service ZenBusiness/yr
$15 Change-of-agent fee Statement of Change of Registered Office or Registered Agent by an Entity
Yes Can be your own If state-resident, 18+

The quick read on Montana registered agents

Every Montana LLC is legally required to maintain a registered agent with a physical street address in the state. The role is to receive service of process (lawsuit papers), state tax notices, and other official government mail on the LLC's behalf. You can serve as your own agent if you live in Montana and meet the requirements, or hire a commercial service for typically $99 to $299 per year.

Montana-specific rules matter. The statute is MCA § 35-7-105. The registered agent's address goes on the public state record, so most owners who want privacy use a paid service to keep their home address off the record. Owners who live in the state and don't mind the public listing often save $100 to $250 per year by serving as their own agent.

Who can serve as a registered agent in Montana

Montana allows an individual Montana resident (at least 18) or an entity authorized to do business in Montana to serve as registered agent under MCA § 35-7-105. The registered office must be a physical Montana street address, and the agent must be available during business hours to accept service of process. The registered agent must consent to the appointment, captured on the filing itself.

Montana's Model Registered Agents Act includes an optional Commercial Registered Agent Listing that lets high-volume services be referenced by name on filings. The listing is a convenience, not a gate; any qualifying individual or entity can serve without it. National services (Northwest, CT Corporation, Bizee) operate in Montana through their standard Montana foreign entity registrations. The LLC's own member or manager can serve as registered agent if they meet the residency or entity-authorization rule.

What Montana requires of a registered agent

  1. Physical street address in Montana

    Not a PO box, not a mail-drop. The address becomes part of the public record visible on the Secretary of State's business entity search.

  2. Available during business hours

    Typically 9 AM to 5 PM, Monday through Friday. The agent has to be physically present (or have staff present) to accept service, not just reachable by phone or email.

  3. At least 18 years old and a resident or registered entity

    Individual agents must be 18+ and reside in Montana. Entity agents must be registered to transact business in Montana.

  4. Written consent on file

    Montana requires the registered agent to consent in writing to serve. Formation services handle this automatically when you sign up. For an individual agent, a simple signed consent letter suffices.

Montana statute and change-of-agent rules

Statute MCA § 35-7-105
Change of registered agent form Statement of Change of Registered Office or Registered Agent by an Entity
Change filing fee $15
Online filing Accepted
Processing time 5 business days
Commercial agents must register separately No

Choosing the right registered agent in Montana

Montana is one of the cheapest states in the country to maintain an LLC: $35 to form, no sales tax, and free annual reports through 2027 for on-time filers. That context makes the RA service fee a meaningful share of the LLC's annual cost rather than a rounding error. For Montana residents, self-serving saves $100 to $250 per year and keeps the LLC's ongoing state cost near zero.

Montana also shows up in certain out-of-state structures (particularly for vehicle titling, where Montana LLCs own exotic cars for residents of high-tax states). Those owners virtually always use a commercial service because they don't have a Montana street address. Northwest at $125 per year is the default pick. Bizee runs $119 per year. ZenBusiness is $99 per year. Montana-specific RA services catering to the vehicle-titling niche often undercut nationals at $49 to $75 per year, though responsiveness varies widely. The Montana formation page covers the full biz.sosmt.gov walkthrough.

Registered agent services that operate in Montana

National commercial registered agent services operate in all 50 states plus DC, so every provider below accepts Montana LLCs. Sorted by annual renewal cost. Click the service name for the full review.

Service Annual renewal Trustpilot Review count
ZenBusiness $99/yr 4.8 28,984
Bizee
fka Incfile
$119/yr 4.7 25,227
MyCorporation $120/yr 3.7 279
Northwest Registered Agent $125/yr 3.8 217
CorpNet $149/yr 4.9 1,205
doola $197/yr 4.6 2,005
Tailor Brands $199/yr 4.7 14,203
BizFilings $220/yr 4.5 170
Inc Authority $249/yr 4.9 46,831
LegalZoom $249/yr 4.6 30,014
Rocket Lawyer $250/yr 4.5 9,717
Firstbase $299/yr 4.8 1,045

If you let your Montana registered agent lapse

Under MCA § 35-8-904, Montana can administratively dissolve an LLC that fails to maintain a registered agent for 60 consecutive days or misses the April 15 annual report deadline. The Secretary of State sends a notice and the 60-day clock starts from that notice rather than the vacancy date itself, which in practice gives most LLCs 90 to 120 days to fix things. Reinstatement costs $35 plus the current annual report and a $35 late fee on each missed report. The annual report fee waiver applies only to on-time filings; late reports pay the full $35. Montana's biz.sosmt.gov portal processes reinstatements in 5 to 10 business days.

Montana filing agency

Montana Secretary of State - Business Services Division

Website
sosmt.gov
Phone
(406) 444-3665
Email
sosbusiness@mt.gov
Mail
Business Services, Montana Secretary of State, P.O. Box 202801, Helena, MT 59620-2801
Office
State Capitol, Room 260, 1301 6th Avenue, Helena, MT 59620
Hours
8:00 AM to 5:00 PM Mountain, Monday to Friday

Frequently Asked Questions

  • Who can be a registered agent for a Montana LLC?

    An individual Montana resident at least 18 years old with a Montana street address, or an entity authorized to do business in Montana. The registered office must be a physical street address; PO boxes don't qualify. The LLC's own owner or manager can serve if they meet the residency or entity-authorization rule.

  • How much does a Montana registered agent service cost?

    National services run $99 to $249 per year, with ZenBusiness at $99, Bizee at $119, and Northwest at $125 as the common mid-tier options. Montana-specific RA services catering to the vehicle-titling niche often undercut nationals at $49 to $75 per year, but responsiveness varies widely.

  • Can I be my own registered agent in Montana?

    Yes, if you reside in Montana, have a Montana street address, and are available during business hours. Your name and address appear on the public biz.sosmt.gov entity record. Self-serving is legitimate and keeps the LLC's annual state cost near zero given Montana's free annual report waiver through 2027.

  • What does it cost to change my Montana registered agent?

    $15 for the Statement of Change of Registered Agent, filed through biz.sosmt.gov. Montana requires online filing for all business documents. Processing runs 3 to 6 business days, or 24 hours with the $20 expedited option.

  • What happens if my Montana LLC's registered agent resigns?

    You have 60 days from the Secretary of State's notice to designate a replacement before administrative dissolution kicks in under MCA § 35-8-904. Reinstatement costs $35 plus the current annual report and a $35 late fee on each missed report. Montana's biz.sosmt.gov portal processes reinstatements in 5 to 10 business days.

  • Why do so many Montana LLCs have out-of-state owners?

    Montana is popular for vehicle-titling LLCs (owning exotic cars or RVs through a Montana LLC can avoid sales tax and registration fees for residents of high-tax states). Those structures all require a Montana registered agent service because the owner doesn't have a Montana address. A specialized local RA industry has grown around this niche.

  • Does Montana's annual report fee waiver affect my RA obligation?

    No. The fee waiver through 2027 applies to on-time annual reports filed between January 1 and April 15. It has no effect on the registered agent requirement, which is a separate obligation under MCA § 35-7-105. Late annual reports still pay the full $35, and RA vacancies can trigger administrative dissolution regardless of the annual report status.

  • Do I need a registered agent for a Montana LLC?

    Yes. Montana law requires every LLC to designate a registered agent with a physical street address in Montana and availability during business hours. There is no exception for inactive or small LLCs. If the LLC loses its registered agent and doesn't designate a replacement within the state's grace period, Montana begins administrative dissolution of the entity.

  • How much does a registered agent service cost in Montana?

    National services range from $99 per year (ZenBusiness) to $299 per year (Firstbase). The $190 average is close to the market median. Montana-based local registered agent services also operate in the state, typically pricing between $50 and $150 per year.

  • How do I change my registered agent in Montana?

    File Statement of Change of Registered Office or Registered Agent by an Entity with Montana Secretary of State - Business Services Division. The fee is $15. Online filing is accepted. Processing takes about 5 business days. Most formation services handle this paperwork for free when you sign up.

  • Is the registered agent fee tax deductible?

    Yes. Registered agent fees are an ordinary and necessary business expense deductible on the LLC's federal tax return (Schedule C, Form 1065, or 1120/1120-S depending on tax treatment). Montana state tax treatment follows federal on this deduction. Keep the invoices with your tax records.

Related

Sources

  • Statute: archive.legmt.gov/bills/mca/title_0350/chapter_0070/part_0010/section_… · verified April 22, 2026
    MCA § 35-7-105 (Designation and maintenance of registered agent) under Title 35 Chapter 7 (Montana Registered Agents Act) requires every covered entity, including LLCs, to continuously maintain a registered agent. Cross-referenced with MCA Title 35 Chapter 8 (Limited Liability Company Act).
  • Change of agent: sosmt.gov/business/fees/ · verified April 22, 2026
    Montana Secretary of State Business Services fee schedule: Statement of Change of Registered Agent filing fee is $15. Montana requires all business filings to be submitted online through biz.sosmt.gov; mail filings are not accepted. Standard processing runs 3 to 6 business days.
  • Penalty: archive.legmt.gov/bills/mca/title_0350/chapter_0080/part_0090/section_… · verified April 22, 2026
    MCA § 35-8-904 governs administrative dissolution of LLCs. Grounds include failure to maintain a registered agent for 60 days, failure to file an annual report, and failure to pay the annual report fee. Reinstatement fee per Montana SoS fee schedule is $35.