The Montana Registered Agent (2026): 6 Procedures and the 3 Best Agents
Ranked by measured reading, the services for appointing a registered agent in Montana in 2026 are Montana Registered Agent.co ($99 a year), Registered Agent MT.org ($99 a year) and Mainstay Filing ($149 a year). 6 short procedures lead from the statute to a correct agent filing.
Prices are recorded from each company's own site on November 13, 2026. Montana bills the same in either case.
The Montana agent, in sequence
Procedure1
Procedure 1: Record the requirement
Every LLC must name a registered agent with an in-state street address.
Specimen: Specimen: mca.legmt.gov, logged October 2026
Procedure2
Procedure 2: 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. Statutory basis: Mont. Code Ann. § 35-7-105.
Procedure3
Procedure 3: Choose a compliant 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.
TipEach ranked service provides the in-state address.
Procedure4
Procedure 4: Self-service or a professional agent
The ranked agents cost $99 to $149 a year; personal service is the alternative for those who qualify.
Procedure5
Procedure 5: Record the agent with the state
The Articles of Organization carries the agent's name and address; the Montana Secretary of State also receives change filings from LLCs that replace their agent.
Specimen: Specimen: sosmt.gov, logged October 2026
Procedure6
Procedure 6: Update when details change
State correspondence about the annual report arrives with the registered agent. Its price is $20 every year, with the due date given as April 15.
Specimen: Specimen: sosmt.gov, logged October 2026
What will be paid
Line
Goes to
Total
Engaging an agent
The engaged service
$99 to $149 a year
Renewal
The engaged service
$99 to $149 a year
Annual report
State office
$20 every year
Figures paid to Montana are its published fees, with the specimens listed beneath the table; each service row is that company's own price. The three-year state row sums the filing, the year-two report, the year-three report and any minimum tax.
Why this order
prevailed on measured cost over three years (36% of the reading), with close behind.
Three years with Montana Registered Agent.co total $297, which is $150 below Mainstay Filing.
Questions readers ask
What does Montana say about keeping a registered agent?
Yes. Every LLC must name a registered agent with an in-state street address.
Can I be my own registered agent?
Often. Apply the two tests in procedures 2 and 3.
Can I change my registered agent later?
Yes, at any time. Procedure 5 explains how to file the change with the Montana Secretary of State.
What does a registered agent cost in Montana?
The ranked agents charge $99 to $149 a year.
What does the LLC pay the state each year?
The LLC files the annual report for $20 every year.
Which registered agent would you choose?
Select Montana Registered Agent.co: $99 a year, with scans of served papers posted to an online account. Then Registered Agent MT.org and Mainstay Filing.