Montana LLC Fees (2026): the State Schedule and the 3 Best LLC Services
Almanac pick for forming an LLC in Montana, 2026: Mainstay Filing ($199), Montana Registered Agent.co ($199) and Registered Agent MT.org ($199), ranked first to last. Almanac figures for Montana: $35 at filing, $20 every year for the annual report; position 5th of 50 on three-year state fees.
Order from the five weighted criteria on the methodology page: three-year service fees at 32%, filings covered at 28%, then renewal price, fit with Montana rules and clarity of fees.
1. Mainstay Filing: best for one bill for formation and upkeep
Where we would begin$199 a year, state fee added ($234 at checkout)
Mainstay Filing opens the list: $199 yearly takes in the Montana formation and every recurring item: the registered agent and the annual report.
Three-year service fees run $200 above Montana Registered Agent.co, an amount the 28% coverage weight more than makes up.
The price includes filing the annual report each year, and the state's $20 fee passes through at cost.
In the price
The formation filing, done for you
Registered agent service for the year
The annual report, prepared and submitted
EIN application included
Official fee, no markup
Strengths
The EIN application is part of the price
$199/yr, everything in
Renews at $199
Weak points
Renews $100 higher than Montana Registered Agent.co
To form the LLC, send the Articles of Organization to the Montana Secretary of State with $35 (Mont. Code Ann. § 35-8-201). It is the same figure whichever service files.
The annual report in 2026
Schedule entry: annual report, every year. Fee $20, falling due April 15. Penalty for lateness: $15.
Why Mainstay Filing is listed first
The deciding criterion in Montana was requirements covered, weighted 28%.
Montana Registered Agent.co costs less, but the annual report stays with you.
Montana LLC service questions
What will it cost to form an LLC in Montana?
$35 goes to the state. Add $199 if a service does the filing.
What does the Montana annual report cost?
The state charges $20 every year and expects the filing April 15. Sending it late costs $15 more.
How does Montana compare on LLC state fees?
Position 5th of 50 on three-year state fees, at $75, counting up from the least expensive state.
Is a registered agent mandatory in Montana?
Every LLC must name a registered agent with an in-state street address.
Which LLC services does this entry list?
Mainstay Filing ($199), Montana Registered Agent.co ($199) and Registered Agent MT.org ($199), by almanac rank, first entry first.
Which LLC service should I hire?
Mainstay Filing, Montana Registered Agent.co and Registered Agent MT.org, in the order shown.