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3 Best Foreign Registration Services in Idaho (2026): Fee Schedule
For foreign registration services in Idaho, the 2026 schedules rank Idaho Registered Agent.co ($199), Mainstay Filing ($199) and ID Registered Agent.org ($199), in that order. Counting only service fees, three years of registration help cost $397 to $497, on top of Idaho's $100.
Prepared by the Agent Fee Tables editorial team · Schedule updated November 13, 2026
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Schedules ordered by: Best value first, using our five-part order
Summary of fees Charged in year one $199 Government fee not included
Years 1 to 3 added $397 to $497 Opening charge plus two renewals
State total, years 1 to 3 $100 The same for every service
Charges meet in Does not occur Order is fixed for ten years
Idaho ranking Columns give year one, the charge after that and the three-year total. Add Idaho's $100 to whichever schedule you pick.
# Opening charge Renewal charge Charges, three years
1
1. Idaho Registered Agent.co: best for adding only one state Best value $199 on top of Idaho's $100; renewal $99
Opening charge $199
Charge from year two $99/yr
Charges, three years $397
Idaho Registered Agent.co comes first because $199 on top of the state fee, $99 for each year after.
Lower three-year charges than Mainstay Filing put it first, because cost counts most.
Duties the charge covers The Idaho registration filing Agent service in the first year Charges in its favor Agent service at no cost in year one $99 yearly from year two $199 plus the state fee Charges against it Nothing outside this state
2
2. Mainstay Filing: best for the same charge in each state Nationwide $199 on top of Idaho's $100; renewal $149
Opening charge $199
Charge from year two $149/yr
Charges, three years $497
Mainstay Filing holds position 2 because Idaho registration at $199 plus state fees, with year-one agent service paid for.
Idaho Registered Agent.co bills $100 less over three years, enough to rank higher.
Agent renewal, any state: $149 yearly.
Duties the charge covers Registration paperwork, filed Registered agent at no charge in year one One fee wherever you register Charges in its favor The fee does not change by state First-year agent service included Service charge of $199 Charges against it $50 more each year for the agent
3
3. ID Registered Agent.org: best for another in-state registrant One-state service $199 on top of Idaho's $100; renewal $99
Opening charge $199
Charge from year two $99/yr
Charges, three years $397
ID Registered Agent.org ranks third. $199 on top of the state fee, $99 for each year after.
Line for line, it ties Idaho Registered Agent.co.
Duties the charge covers The Idaho registration filing Agent service in the first year Charges in its favor Agent service at no cost in year one $99 yearly from year two $199 plus the state fee Charges against it Nothing outside this state
Totals at 1, 2, 3 and 5 years Year one plus renewals, using charges from November 13, 2026. No schedule passes another in ten years.
Equal-cost check How many years do you plan to run the company? Enter them below and compare.
Idaho fee list Line Charge Source Registration filing $100 legislature.idaho.gov {fee list dated October 2026}State fees over three years $100 Lines added together
To get the state figure, add the filing fee, two later reports and any minimum tax. Open-ended costs get a mention but no number.
Why schedule one is first In Idaho, the deciding measure was charges over three years (39% of the order), where Idaho Registered Agent.co came out ahead.
The three-year column reads $397 for Idaho Registered Agent.co, $100 lower than Mainstay Filing.
The Idaho foreign LLC registration fee and rules, in the state's own words The Idaho Secretary of State, Business Services collects $100 and the Foreign Registration Statement from out-of-state LLCs active in Idaho. The filing requires certificate of existence (certificate of good standing) from the home state from within the last 90 days.
Ignoring the requirement can lead to a bar on suing as plaintiff in Idaho courts until it registers (Idaho Code 30-21-502(b)).
As written: archive.sos.idaho.gov {fee list dated October 2026}
The no-service total Do it alone and Idaho still collects $100 over three years, plus you complete every form. A service charges $397 to $497 to take that off you.
Questions What does Idaho charge a foreign LLC to register? $100 at the filing office, and a service adds $199 in year one.
What do these schedules add up to over three years? Service charges after three years: $397 to $497.
Which form completes the registration? Complete Foreign Registration Statement and send it to the Idaho Secretary of State, Business Services.
Does Idaho require a document from the home state? Yes, and it cannot be older than 90 days: certificate of existence (certificate of good standing) from the home state.
Which recurring filing comes after registration? The annual report, which has no fee.
When does one schedule pass another in total charges? They keep one order for ten years.
Which foreign registration service is the best value for Idaho? Schedule one is Idaho Registered Agent.co, then Mainstay Filing, then ID Registered Agent.org.
Fee sources Backing for the Idaho yearly filing: Annual report line: legislature.idaho.gov , October 2026. Backing for the Idaho Code § 30-25-201 line: legislature.idaho.gov , August 2026. Backing for the Idaho formation fee: Filing fee line: sos.idaho.gov , October 2026. Backing for the Idaho formation fee: Filing fee line: legislature.idaho.gov , October 2026. Backing for the Idaho registered agent statute line: legislature.idaho.gov , October 2026. Backing for the Idaho Secretary of State, Foreign line: archive.sos.idaho.gov , October 2026. Backing for the Idaho Secretary of State, business line: sos.idaho.gov , October 2026. Backing for the Idaho Code 30-21-505, activities that line: legislature.idaho.gov , October 2026. Backing for the Idaho Code 30-21-213, annual report line: legislature.idaho.gov , October 2026. Backing for the Withdrawal of Foreign Registration Statement line: archive.sos.idaho.gov , October 2026. Backing for the Idaho Code 30-21-502, registration to line: legislature.idaho.gov , November 2026. The pricing page page at Idaho Registered Agent.co, November 13, 2026 The Idaho service page page at Mainstay Filing, November 13, 2026 The pricing page page at ID Registered Agent.org, November 13, 2026