3 Best Registered Agents in Montana (2026), No Fluff
If you need registered agents in Montana in 2026, here's the order we'd go in: Mainstay Filing ($149 a year), Montana Registered Agent.co ($99 a year) and Registered Agent MT.org ($99 a year). An agent runs $99 to $149 for year one and $297 to $447 for three years.
Straight from the LLC Straight Talk editorial team
The short of it
The short of it
Do you have to?
Yes, you have to
What the law calls it
Registered agent
What agents charge
$99 to $149 a year
Who we'd use
Mainstay Filing, Montana Registered Agent.co then Registered Agent MT.org
Read November 13, 2026. Three years is year one plus two renewals.
What you need to know
Does the state make me have a registered agent?
Every LLC must name a registered agent with an in-state street address.
The law: Mont. Code Ann. § 35-7-105. go check mca.legmt.gov, last confirmed October 2026
Who can 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.
Fit the rule and the role's yours at no cost.
What's the going rate for an agent?
Roughly $99 to $149 annually, which means $297 to $447 over a three-year stretch.
The state's fees stay the same whoever you name.
What does an agent actually do?
It takes delivery of lawsuits and official state mail for the LLC at an address in Montana.
What matters is that nothing important sits there unnoticed while you're away. What's service of process?
What else does the state bill every year?
You'll file the annual report every year, and it's $20 each time. Here's the date the state gives: April 15. Don't miss it.
On jobs the price actually covers (30% of the score), Mainstay Filing wins.
We run five tests: money out the door in three years (35%), jobs the price actually covers (30%), no hunting for the price (14%), no surprise at renewal (11%) and where it works (10%).