3 Best Foreign Registration Services in Montana (2026): Where to Start
Your 2026 shortlist for foreign registration services in Montana reads Montana Registered Agent.co ($199), Mainstay Filing ($199) and Registered Agent MT.org ($199), in our order. Registration at the state costs $70 for every filer, and three years of service fees add $397 to $497.
Written by the Simple Filing Guide editorial team
The short route
Fee at the state
$70
Proof from home?
You can skip it
Afterward
No fee, annual report
First choices
Montana Registered Agent.co, Mainstay Filing then Registered Agent MT.org
Where to start in Montana
Ranked best first using the checks described on the method page.
#1Recommended first
1. Montana Registered Agent.co: best for a budget registration
$199 plus the state fee, then $99 a year
Start with Montana Registered Agent.co in Montana: its service fees come to $397 across three years.
Of the pair, it is cheaper across three years, and we look at cost first.
Checklist: what is included
Montana registration filing
No agent charge in year one
What works
A free agent year at the start
Registers you for $199
$99 a year from year two
Gaps
Covers Montana only, so your home state needs its own agent
Company prices from November 13, 2026, before state fees.
What to know before you file
At what point is registration required?
An out-of-state LLC signs up with the Montana Secretary of State, Business Services first and begins business in Montana afterward.
An unregistered LLC may face the state's courts will not hear its claims (MCA 35-8-1002(1)); a charge per day of $5.
mca.legmt.gov, last confirmed October 2026 for this guide
What are the fees for registering?
Doing it yourself costs $70. With a service, add $199.
Add three years of state fees, registration included, and you get $70. mca.legmt.gov, last confirmed October 2026 for this guide
Where does the registration go?
File the Application for Certificate of Authority (foreign limited liability company) with the Montana Secretary of State, Business Services. That single filing registers the LLC.
The state does not request a certificate from home.
What do I owe once registered?
Add the annual report to your calendar (no fee).
Filings come due April 15.
Why is number one first?
Total for three years, at 37%, puts Montana Registered Agent.co first.
The two heavy checks are total for three years (37%) and filing jobs included (27%); three lighter checks follow.
$397 for three years at Montana Registered Agent.co is $100 under Mainstay Filing.