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Foreign registration worksheets · Montana

3 Best Foreign Registration Services in Montana (2026): Worked Prices

After the sums, Registered Agent MT.org ($199), Mainstay Filing ($199) and Montana Registered Agent.co ($199) lead the 2026 Montana table of foreign registration services, in that order. Registration at Montana costs $70, identical in each row, and the services themselves total $397 to $497 across three years.
Worked by the Formation Math editorial team

↓ Sorted by: Cost first (42%), items covered second (28%), three smaller checks after. See the working

Key results

Fee the state takes to register $70 mca.legmt.gov (checked October 2026) as the source
Year-one totals $199 Provider charges only
Three-year results $397 to $497 Year one plus two more years
Government total, 3 years $70 Official amounts only
Break-even year Not within ten years No change in order

The Montana rows

Service prices only. Add the $70 state fee to any row; it is identical for all.

1
Highest score

1. Registered Agent MT.org: best for one more state and nothing else

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

Row one is Registered Agent MT.org. The math: $199 to register and one year of agent service, followed by $99 yearly.

Three-year total below Mainstay Filing earns row one.

The price buys

  • Registration papers, prepared and filed
  • Year-one agent service

Adds up

  • $99 a year for the agent afterward
  • Agent service free in year one
  • $199 over the state fee

Does not add up

  • The home state still needs a different agent
2
The all-in row

2. Mainstay Filing: best for adding a second or third state

$199 for registration, $149 for the agent after that
Year-1 price $199
Price after year 1 $149/yr
Sum of 3 years $497

Mainstay Filing fills row 2: $199 over Montana's own fee, followed by $149 a year for the agent.

On three-year total it is $100 behind Registered Agent MT.org.

Renewals for the agent are $149 a year, whichever state you pick.

The price buys

  • Filing delivered to the state
  • Registered agent with no charge in year one
  • One fee wherever you register

Adds up

  • $199 above the state fee
  • Agent free for the first year
  • Same fee wherever you register

Does not add up

  • $50 above Registered Agent MT.org at renewal
3
Local row

3. Montana Registered Agent.co: best for a second in-state filer

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

Next in the working, Montana Registered Agent.co: $199 to register and one year of agent service, followed by $99 yearly.

Its prices equal Registered Agent MT.org's in every column.

The price buys

  • Registration papers, prepared and filed
  • Year-one agent service

Adds up

  • $99 a year for the agent afterward
  • Agent service free in year one
  • $199 over the state fee

Does not add up

  • The home state still needs a different agent

What each row adds up to

No. Provider Year 1 total Total at year 2 Total at year 3 Total at year 5
1 Registered Agent MT.org $199 $298 $397 $595 Visit Registered Agent MT.org Partner link. We may earn money if you buy.
2 Mainstay Filing $199 $348 $497 $795 Visit Mainstay Filing Partner link. We may earn money if you buy.
3 Montana Registered Agent.co $199 $298 $397 $595 Visit Montana Registered Agent.co Partner link. We may earn money if you buy.

Prices as published on November 13, 2026; year one, then renewals added one at a time. None of the rows cross in ten years.

Check the math yourself

Sums for 1 to 5 years. State fees are left out because they match in every row.

Total over 3 years: Registered Agent MT.org $397, Mainstay Filing $497, Montana Registered Agent.co $397. Lowest of the totals: Registered Agent MT.org.

Official state amounts

Term Value Where it comes from
Cost to register $70 mca.legmt.gov (checked October 2026) as the source
State side, 3 years $70 Total of the rows

Our state figure adds three things: the filing, two years of reports and a minimum tax where there is one. Variable costs like publication stay out.

The working behind Montana

Registered Agent MT.org scored above Mainstay Filing on three-year total, a 42% term.

Three years with Registered Agent MT.org: $397; the same three years at Mainstay Filing cost $100 more.

Montana foreign LLC registration fee and rules, from the source

To register, file the Application for Certificate of Authority (foreign limited liability company) at the Montana Secretary of State, Business Services and pay $70.

Without registration: no standing as plaintiff (MCA 35-8-1002(1)); per-day fines of $5.

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

The state-fees-only case

With no service, three years cost $70 in state fees. Each service adds its own row, $397 to $497 over the same period.

Common questions

How much does Montana take to register an out-of-state LLC?

$70 to the state, plus a service fee of $199.

What do the services add up to over three years?

Year one plus two renewals gives $397 to $497.

Which form does the registering?

The form is Application for Certificate of Authority (foreign limited liability company), and the Montana Secretary of State, Business Services receives it.

What recurring filing comes after registration?

The annual report, which has no fee.

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

The rows do not cross in the first ten years.

Which foreign registration service is best value in Montana?

From the top: Registered Agent MT.org, Mainstay Filing and Montana Registered Agent.co.

Related worksheets

Foreign registration worksheets, all 50 states Best foreign registration services overall The method

Inputs and sources

  1. For Montana Secretary of State fee: sosmt.gov, checked October 2026.
  2. For Montana yearly filing: Annual report: sosmt.gov, checked October 2026.
  3. For Montana yearly filing: Annual report: sosmt.gov, checked October 2026.
  4. For Montana report due date: mca.legmt.gov, checked August 2026.
  5. For Mont: mca.legmt.gov, checked August 2026.
  6. For Montana formation fee: Filing fee: sosmt.gov, checked October 2026.
  7. For Montana registered agent statute: mca.legmt.gov, checked October 2026.
  8. For Montana Secretary of State, register: help.sosmt.gov, checked October 2026.
  9. For MCA 35-8-1001, transacting business: mca.legmt.gov, checked October 2026.
  10. For MCA 35-8-1002, consequences: mca.legmt.gov, checked October 2026.
  11. For MCA 35-8-1003, application contents: mca.legmt.gov, checked October 2026.
  12. The Registered Agent MT.org pricing page supplied the prices on November 13, 2026
  13. The Mainstay Filing Montana service page supplied the prices on November 13, 2026
  14. The Montana Registered Agent.co pricing page supplied the prices on November 13, 2026