Foreign registration price index · Idaho
3 Best Foreign Registration Services in Idaho (2026): Price Index
Index basis: Rows follow our value index, led by three-year cost
The Idaho tally
Idaho ledger, best value first
1. Mainstay Filing: best for the same fee wherever you register
First lineMainstay Filing holds the first line: $199 to file, a free first agent year, and one price in every state.
Idaho Registered Agent.co saves $100 across three years and leaves more filings with you.
After the free year, the agent costs $149 annually, whichever state applies.
Line includes
- Foreign registration, prepared and sent
- Registered agent free for the first year
- Works in all fifty states
Credits
- Registered agent costs nothing in year one
- All fifty states covered
- $199 added to Idaho's fee
Debits
- A higher agent renewal ($149)
2. Idaho Registered Agent.co: best for adding a single state
Idaho focusNext on the ledger: Idaho Registered Agent.co, with $199 to register with a year of agent service included, then $99 each year.
Line includes
- Registration filing, prepared and sent
- Agent service in year one
Credits
- A $99 renewal
- Year-one agent covered in the price
- Opens at $199
Debits
- Nothing outside this state
3. ID Registered Agent.org: best for a single added state
Idaho focusNext on the ledger: ID Registered Agent.org, with $199 to register with a year of agent service included, then $99 each year.
It matches Idaho Registered Agent.co to the dollar.
Line includes
- Registration filing, prepared and sent
- Agent service in year one
Credits
- Opens at $199
- A $99 renewal
- Year-one agent covered in the price
Debits
- Nothing outside this state
What each line costs, year by year
| Line | Provider | Total, year 1 | Total, year 2 | Total, year 3 | Total, year 5 | |
|---|---|---|---|---|---|---|
| 1 | Mainstay Filing | $199 | $348 | $497 | $795 | Visit Mainstay FilingPartner link. We may earn money if you buy. |
| 2 | Idaho Registered Agent.co | $199 | $298 | $397 | $595 | Visit Idaho Registered Agent.coPartner link. We may earn money if you buy. |
| 3 | ID Registered Agent.org | $199 | $298 | $397 | $595 | Visit ID Registered Agent.orgPartner link. We may earn money if you buy. |
Compute your subtotal
What Idaho charges itself
| Entry | Amount | Cited from |
|---|---|---|
| Registering the LLC | $100 | legislature.idaho.gov (read October 2026) per the state |
| Three-year state subtotal | $100 | Filing + reports + any tax |
Index notes
Mainstay Filing leads on coverage per dollar, worth 32%, with Idaho Registered Agent.co next.
Registering here means at least two states; one provider for both beat Idaho Registered Agent.co.
Official Idaho foreign LLC registration fee and rules
To do business in Idaho with an LLC formed elsewhere, file the Foreign Registration Statement with the Idaho Secretary of State, Business Services for $100. Include certificate of existence (certificate of good standing) from the home state no more than 90 days.
Operating unregistered can bring its own claims cannot be brought (Idaho Code 30-21-502(b)).
Quoted from: archive.sos.idaho.gov (read October 2026) per the state
The state-fees-only line
The cost of filing it yourself: $100 to the state across three years. Service subtotals of $397 to $497 are what you pay to avoid the forms.
Price questions
What does Idaho charge an out-of-state LLC to register?
$100 to the filing office, plus $199 if you hire a service for year one.
What is the three-year subtotal for these services?
$397 to $497 in service fees, state charges excluded.
Which document does the registering?
The registering document is Foreign Registration Statement, and the Idaho Secretary of State, Business Services is the office that takes it.
Does Idaho want a paper from the LLC's home state?
Yes, no more than 90 days old: certificate of existence (certificate of good standing) from the home state.
What recurring filing comes after registration?
Next comes the annual report, which carries no fee.
When does one line pass another in total cost?
No crossover point inside ten years.
Which foreign registration service indexes best in Idaho?
By our value index, the Idaho lines run Mainstay Filing, Idaho Registered Agent.co and ID Registered Agent.org. Mainstay Filing leads on coverage per dollar.
Source lines
- Line for Idaho yearly filing: Annual report: legislature.idaho.gov, October 2026.
- Line for Idaho Code § 30-25-201: legislature.idaho.gov, August 2026.
- Line for Idaho formation fee: Filing fee: sos.idaho.gov, October 2026.
- Line for Idaho formation fee: Filing fee: legislature.idaho.gov, October 2026.
- Line for Idaho registered agent statute: legislature.idaho.gov, October 2026.
- Line for Idaho Secretary of State, Foreign: archive.sos.idaho.gov, October 2026.
- Line for Idaho Secretary of State, business: sos.idaho.gov, October 2026.
- Line for Idaho Code 30-21-505, activities that: legislature.idaho.gov, October 2026.
- Line for Idaho Code 30-21-213, annual report: legislature.idaho.gov, October 2026.
- Line for Withdrawal of Foreign Registration Statement: archive.sos.idaho.gov, October 2026.
- Line for Idaho Code 30-21-502, registration to: legislature.idaho.gov, November 2026.
- Entry: Mainstay Filing Idaho service page, read November 13, 2026
- Entry: Idaho Registered Agent.co pricing page, read November 13, 2026
- Entry: ID Registered Agent.org pricing page, read November 13, 2026