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State Filing Data LLC fees by state, read from the source.

Foreign LLC guide · Montana

Montana Foreign LLC Registration (2026): Fees and the 3 Best Services

Montana Registered Agent.co ($199), Registered Agent MT.org ($199) and Mainstay Filing ($199): that is our 2026 order for foreign LLC registration in Montana. State fees for a foreign LLC: $70 to register. Rank: 1st of 50.
State Filing Data research desk

Montana fee data

of 50, foreign LLC fees over three years

Low rank, low state fees. All states

Registration fee

$70

October 2026: mca.legmt.gov

Yearly report

None

Annual report

Three-year state fees

$70

Years one to three, state fees only

Montana picks

Five criteria, fixed weights, same for every state. Details: methodology.

First pick

1. Montana Registered Agent.co: best for a low yearly agent cost

$199 plus fees; $99 a year later

We'd start with Montana Registered Agent.co: $199 over the state fee to register, then $99 a year.

Lower three-year service fees than Mainstay Filing put it on top; cost carries 35% of our method.

What you pay for

  • Registration filed for you
  • A year of agent service

For

  • $99 a year for the agent after that
  • Agent included for year one
  • Service fee $199

Against

  • Covers Montana only
Visit Montana Registered Agent.co Partner link. We may earn money if you buy.
Local option

2. Registered Agent MT.org: best for a low agent renewal

$199 plus fees; $99 a year later

Registered Agent MT.org slots in second. What it offers: $199 over the state fee to register, then $99 a year.

Montana Registered Agent.co and this service publish identical prices.

What you pay for

  • Registration filed for you
  • A year of agent service

For

  • $99 a year for the agent after that
  • Agent included for year one
  • Service fee $199

Against

  • Covers Montana only
Visit Registered Agent MT.org Partner link. We may earn money if you buy.
Any state

3. Mainstay Filing: best for multi-state registrations

$199 plus fees; $149 a year later

Third on our list, Mainstay Filing: it files the Montana registration for $199 over the state fee and includes year one of agent service.

A $100 gap over three years against Montana Registered Agent.co keeps it out of first place.

The agent renews at $149 a year wherever the company registers.

What you pay for

  • Registration prepared and filed
  • Registered agent, free for the first year
  • Works in all fifty states

For

  • $199 over the state fee
  • Any state, one fee
  • Year one agent at no charge

Against

  • Higher agent renewal ($149)
Visit Mainstay Filing Partner link. We may earn money if you buy.

Montana picks compared

#ServiceYear oneFrom year twoThree-year service fees
1 Montana Registered Agent.co $199$99/yr$397
Visit Montana Registered Agent.co Partner link. We may earn money if you buy.
2 Registered Agent MT.org $199$99/yr$397
Visit Registered Agent MT.org Partner link. We may earn money if you buy.
3 Mainstay Filing $199$149/yr$497
Visit Mainstay Filing Partner link. We may earn money if you buy.

Each company's published price, read November 12, 2026. Add the $70 state fee to every row.

Calculate the total

Registration fee $70, plus the service's prices.

State fees $70 plus Montana Registered Agent.co at $397: $467 over 3 years.

How Montana compares with nearby ranks

RankStateThree-year foreign LLC fees
1st Montana$70
2nd Hawaii$76
3rd Utah$95
4th Ohio$99
5th Idaho$100

All states: Foreign LLC fees by state.

Montana foreign LLC registration fee and form (official)

The Montana Secretary of State, Business Services takes the Application for Certificate of Authority (foreign limited liability company) and a $70 fee.

Later it owes the annual report, April 15.

Checklist

  • The registered name and formation date from home.
  • A registered agent with a Montana street address (each service above acts as one).
  • Payment of the $70 official fee.

What happens without registering

First consequence: no access to the courts as a plaintiff until it registers (MCA 35-8-1002(1)). A per-day fine of $5 can apply.

Why this order

Montana Registered Agent.co over Registered Agent MT.org came down to service fees over three years, a 35% criterion.

Over three years Montana Registered Agent.co charges $397 in service fees, $100 less than Mainstay Filing.

FAQ

How much does it cost to register a foreign LLC in Montana?

$70 in state fees. Our picks add $199.

Which form registers a foreign LLC in Montana?

File Application for Certificate of Authority (foreign limited liability company) with the Montana Secretary of State, Business Services.

What does a foreign LLC file after registering?

The annual report.

What if the LLC does business there without registering?

First consequence: no access to the courts as a plaintiff until it registers (MCA 35-8-1002(1)). A per-day fine of $5 can apply.

Is a registered agent needed there?

Every LLC must name a registered agent with an in-state street address.

Who should file the registration?

Montana Registered Agent.co, then Registered Agent MT.org and Mainstay Filing. Montana Registered Agent.co leads on service fees over three years.

Related guides

Where each figure comes from

  1. [October 2026] Montana Secretary of State fee page and fee: sosmt.gov
  2. [October 2026] Montana yearly filing: Annual report: fee, official source: sosmt.gov
  3. [October 2026] Montana yearly filing: Annual report: fee, official source: sosmt.gov
  4. [August 2026] Montana report due date: mca.legmt.gov
  5. [August 2026] Mont: mca.legmt.gov
  6. [October 2026] Montana formation fee: Filing fee, official source: sosmt.gov
  7. [October 2026] Montana registered agent statute: mca.legmt.gov
  8. [October 2026] Montana Secretary of State, register a business: help.sosmt.gov
  9. [October 2026] MCA 35-8-1001, transacting business: mca.legmt.gov
  10. [October 2026] MCA 35-8-1002, consequences: mca.legmt.gov
  11. [October 2026] MCA 35-8-1003, application contents: mca.legmt.gov
  12. [October 2026] Hawaii DCCA, foreign LLC registration: cca.hawaii.gov
  13. [October 2026] Form FLLC-1: files.hawaii.gov
  14. [October 2026] Foreign LLC filing fees: cca.hawaii.gov
  15. [October 2026] Hawaii Revised Statutes 428-1003, activities that are not: capitol.hawaii.gov
  16. [October 2026] New Hawaii business registration portal FAQs: cca.hawaii.gov
  17. [October 2026] Utah Division of Corporations, foreign LLC registration: commerce.utah.gov
  18. [October 2026] Division fee schedule: commerce.utah.gov
  19. [October 2026] Utah Code Title 16, Chapter 1a, Part 5: le.utah.gov
  20. [October 2026] Utah Code Title 16, Chapter 1a, Part 4: le.utah.gov
  21. [October 2026] Utah Business Registration System: businessregistration.utah.gov
  22. [October 2026] Ohio Secretary of State, filing forms and fee: ohiosos.gov
  23. [October 2026] Form 617, Registration of a Foreign Limited Liability: ohiosos.gov
  24. [October 2026] R.C. 1706.511, registration of foreign LLCs: codes.ohio.gov
  25. [October 2026] R.C. 1706.515, effect of failing to register: codes.ohio.gov
  26. [October 2026] R.C. 1706.09, statutory agent: codes.ohio.gov
  27. [October 2026] Idaho Secretary of State, Foreign Registration Statement: archive.sos.idaho.gov
  28. [October 2026] Idaho Secretary of State, business FAQ: sos.idaho.gov
  29. [October 2026] Idaho Code 30-21-505, activities that are not doing: legislature.idaho.gov
  30. [October 2026] Idaho Code 30-21-214, fees: legislature.idaho.gov
  31. [October 2026] Idaho Code 30-21-213, annual report: legislature.idaho.gov
  32. [October 2026] Withdrawal of Foreign Registration Statement: archive.sos.idaho.gov
  33. Montana Registered Agent.co: pricing page as published on November 12, 2026
  34. Registered Agent MT.org: pricing page as published on November 12, 2026
  35. Mainstay Filing: Montana service page as published on November 12, 2026