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LLC formation worksheets · Montana

3 Best LLC Services in Montana (2026): Worked Prices

Result for Montana in 2026: Mainstay Filing ($199), Montana Registered Agent.co ($199) and Registered Agent MT.org ($199), in that order, among LLC formation services. Add up three years of service fees and the rows land between $397 to $597. The $35 filing fee at Montana gets added to every row alike.
Worked by the Formation Math editorial team

↓ Sorted by: Total cost over three years (42%), items covered per dollar (28%), then year-two change, crossover year and published detail. The method

Montana: the numbers worked

Charge for filing $35 sosmt.gov (checked October 2026) as the source
Totals after one year $199 Without the state fee
Three-year spread $397 to $597 Includes both renewals
State sum, years 1 to 3 $75 Official amounts only
Crossing point Never No row ever passes another

Montana rows with the arithmetic

Rows are sorted by the method. None of the rows includes the $35 state fee.

1
Top score

1. Mainstay Filing: best for upkeep handled for you

$199 yearly plus $35 for the state
Year-1 price $199
Price after year 1 $199/yr
Sum of 3 years $597

By the numbers, Mainstay Filing is best value in Montana: $199 a year pays for the filing, the registered agent and the annual report, so year two is $199 again.

The $200 three-year premium over Montana Registered Agent.co buys coverage, and coverage decides this ranking.

It files the annual report for you, and the $20 state fee is passed on at cost.

The price buys

  • The LLC formation filing
  • Registered agent, covered all year
  • Annual report, filed when due
  • EIN application, handled
  • Government fee passed along with no markup

Adds up

  • No extra charge for the EIN application
  • Renewal stays at $199
  • $199 a year includes filing and agent and report

Does not add up

  • From year two it costs $100 above Montana Registered Agent.co
2
Local row

2. Montana Registered Agent.co: best for the smallest first-year total

$199 for formation, $99 for the agent after that
Year-1 price $199
Price after year 1 $99/yr
Sum of 3 years $397

Montana Registered Agent.co scores second. Working: three years add up to $397 because the renewal is only $99.

The annual report is not in its price.

The price buys

  • Formation paperwork, done for you
  • Year-one agent service

Adds up

  • $199 over the state fee
  • First agent year included
  • Agent renews at $99

Does not add up

  • Annual report is not part of it
  • It charges $99 for the EIN application
3
Local row

3. Registered Agent MT.org: best for companies that never leave the state

$199 for formation, $99 for the agent after that
Year-1 price $199
Price after year 1 $99/yr
Sum of 3 years $397

Registered Agent MT.org scores third. Working: three years add up to $397 because the renewal is only $99.

The annual report is not in its price.

Its prices equal Montana Registered Agent.co's in every column.

The price buys

  • Formation paperwork, done for you
  • Year-one agent service

Adds up

  • $199 over the state fee
  • Agent renews at $99
  • First agent year included

Does not add up

  • Annual report is not part of it
  • It charges $99 for the EIN application

Cumulative cost, year by year

No. Provider Year 1 total Total at year 2 Total at year 3 Total at year 5
1 Mainstay Filing $199 $398 $597 $995 Visit Mainstay Filing Partner link. We may earn money if you buy.
2 Montana Registered Agent.co $199 $298 $397 $595 Visit Montana Registered Agent.co Partner link. We may earn money if you buy.
3 Registered Agent MT.org $199 $298 $397 $595 Visit Registered Agent MT.org Partner link. We may earn money if you buy.

Service fees only, using each company's prices as read on November 13, 2026. No row passes another within ten years.

Check the math yourself

The calculator adds year one and the renewals for every row once you choose the years, and counts the EIN application if ticked.

Total over 3 years: Mainstay Filing $597, Montana Registered Agent.co $397, Registered Agent MT.org $397. Lowest of the totals: Montana Registered Agent.co.

The state's side of the math, Montana

Term Value Where it comes from
Formation charge $35 sosmt.gov (checked October 2026) as the source
Annual report $20 every year sosmt.gov (checked October 2026) as the source
Cost of missing the deadline $15 sosmt.gov (checked October 2026) as the source
Sum of state fees, years 1 to 3 $75 Adds the rows above

To get the three-year state figure, add the filing fee, the reports due in years two and three, and any yearly minimum tax. Costs with no fixed amount, such as newspaper publication, are mentioned but not added.

Why row one is row one

Mainstay Filing wins items covered per dollar, worth 28%, with Montana Registered Agent.co close behind.

The annual report term moved the bundle into first.

Count the EIN application and Montana Registered Agent.co has the lower total from year 2.

Montana LLC filing fee and rules, from the source

$35 is the price of the filing that creates the LLC, the Articles of Organization, delivered to the Montana Secretary of State. Every LLC must name a registered agent with an in-state street address.

Official wording: sosmt.gov (checked October 2026) as the source

The no-service row

Skip the service and Montana still collects $75 across three years while you handle every form. The services charge $397 to $597 for that work.

Montana price questions, answered

What does an LLC formation service cost in Montana?

$199 for the service and $35 for the state.

What do the services add up to over three years?

Year one plus two renewals gives $397 to $597.

What is the Montana fee to file an LLC?

$35 with the Articles of Organization.

What does Montana collect each year after formation?

Montana expects the annual report every year at $20, April 15.

Does the price include the EIN application?

Each row differs: Mainstay Filing (included), Montana Registered Agent.co ($99) and Registered Agent MT.org ($99).

In what year does one service pass another in total cost?

They stay in the same order for ten years.

Which LLC formation service is best value in Montana?

Mainstay Filing, which wins on items covered per dollar. Then Montana Registered Agent.co and Registered Agent MT.org.

Related worksheets

LLC formation worksheets, all 50 states Best LLC services overall The method

Inputs and sources

  1. Source of Montana Secretary of State fee: sosmt.gov, October 2026.
  2. Source of Montana yearly filing: Annual report: sosmt.gov, October 2026.
  3. Source of Montana yearly filing: Annual report: sosmt.gov, October 2026.
  4. Source of Montana report due date: mca.legmt.gov, August 2026.
  5. Source of Mont: mca.legmt.gov, August 2026.
  6. Source of Montana formation fee: Filing fee: sosmt.gov, October 2026.
  7. Source of Montana registered agent statute: mca.legmt.gov, October 2026.
  8. The Mainstay Filing Montana service page supplied the prices on November 13, 2026
  9. The Montana Registered Agent.co pricing page supplied the prices on November 13, 2026
  10. The Registered Agent MT.org pricing page supplied the prices on November 13, 2026