3 Best Registered Agents in Montana (2026), Plainly Answered
Asked who to hire in Montana in 2026, we'd say Registered Agent MT.org ($99 a year), Mainstay Filing ($149 a year) and Montana Registered Agent.co ($99 a year), in that order. The first year costs $99 to $149; three years cost $297 to $447.
By the Plain Charter editorial team ·
Quick answer
Is it the law?
Required
Called
Registered agent
Price range
$99 to $149 yearly
Our picks, in order
Registered Agent MT.org, Mainstay Filing then Montana Registered Agent.co
The Montana picks
The order follows our five criteria, led by cost and coverage.
1We'd start here
1. Registered Agent MT.org: best for tight budgets
Annual price $99, renewal price $99
Registered Agent MT.org leads our list: its agent service costs $99 a year with a street address on file.
It beats Mainstay Filing on three-year cost, the factor we weigh most.
Each company's published prices, November 12, 2026. State fees come on top and do not change by pick.
What owners ask
Must the LLC name a registered agent?
Every LLC must name a registered agent with an in-state street address.
Legal basis: Mont. Code Ann. § 35-7-105. source: mca.legmt.gov, October 2026
Who is allowed to be the agent?
A commercial registered agent listed with the Secretary of State, or a noncommercial agent: an individual, including an owner, or an entity in Montana.
If you meet that rule, you can name yourself and pay no agent fee.
How much is agent service?
$99 to $149 yearly. Over three years, $297 to $447.
The agent you pick does not change any state fee.
What is the agent's job?
It is where lawsuits and state letters for the LLC land, in Montana.
The three-year line adds the filing fee, the reports in years two and three and any yearly minimum tax. Costs without a fixed amount, such as newspaper publication, are left out.
People also ask
Can an owner be the agent?
Yes, provided you fit the state's rule. Many owners still hire a service for privacy.
Where must the agent be located?
The address has to be an actual street address or rural route box number in Montana. A P.O. box alone is not enough.