Foreign LLC Registration, Idaho (2026): 5 Procedures and the 3 Best Services
For registering an LLC formed elsewhere in Idaho in 2026, the lab recommends Mainstay Filing ($199), Idaho Registered Agent.co ($199) and ID Registered Agent.org ($199), highest reading first. Record $100 to the state and 5 procedures of work.
LLCs formed outside Idaho submit a foreign registration in order to transact business here. What follows from operating unregistered: An unregistered LLC's own claims will not proceed there (Idaho Code 30-21-502(b)). Signed contracts keep their force (Idaho Code 30-21-502(c)).
Procedure 2: Secure the certificate the home state issues
The filing includes certificate of existence (certificate of good standing) from the home state, issued no more than 90 days.
TipTime the request so the certificate is fresh on filing day.
Procedure3
Procedure 3: Select the Idaho registered agent
Every LLC must name a registered agent with an in-state street address. The address has to be a physical street address in Idaho. P.O. boxes and commercial mailboxes are not accepted.
Registration stays active by filing the annual report, before the end of the month in which the LLC registered.
What will be paid
Line
Recipient
Cost
The registration procedure
State
$100
Optional service
The service
$199 for year one
State fees for three years
State
$100
Every state amount here can be verified against the specimens below. The three-year row combines formation, two later reports and a minimum tax where one exists, and it never includes service prices.
Why this order
Procedures the price performs decided first place in Idaho. It carries 28% of the reading, and the remainder comes from measured cost over three years, reading at year two, fit with the state protocol and price legibility.
Because the LLC came from another state and now works in this one, a single provider spanning both measured best.
Brief answers
What will foreign registration cost in Idaho?
$100 for the filing. Add $199 if a service is engaged.
Which form do I file to register?
A single form handles registration, and the Idaho Secretary of State, Business Services receives it.
Do I need a certificate from my home state?
Yes: certificate of existence (certificate of good standing) from the home state, issued within 90 days of filing.
What if the LLC does business there without registering?
An unregistered LLC's own claims will not proceed there (Idaho Code 30-21-502(b)). Signed contracts keep their force (Idaho Code 30-21-502(c)).
What is due after registering?
The filing that follows is the annual report.
Which service should handle the registration?
Select Mainstay Filing: a $199 service fee plus Idaho's own fee, then $149 a year for the agent. Then Idaho Registered Agent.co and ID Registered Agent.org.