Place1
Our top pickIdaho Registered Agent.co
1. Idaho Registered Agent.co: best for an Idaho-only LLC on a budget
$199 plus the state fee, then $99 a year
Our mark9.6out of 10
Idaho Registered Agent.co is number one here: $199 to form the LLC in Idaho, with the agent at $99 a year from year two.
It provides the in-state registered office address and posts scans of served legal papers online.
Its prices do not include the annual report; you file that yourself every year.
It beats Mainstay Filing on three-year cost, the heaviest criterion we score, and matches it on renewal terms.
What you get
- Idaho formation filed for you
- First year of registered agent service
Why pick it
- $199 over the state fee
- First year of registered agent service included
- Then $99 a year
Less good
- Annual report left to you
- EIN help is $99
Place2
Formation, agent and reportMainstay Filing
2. Mainstay Filing: best for formation, agent and annual report in one price
Annual price $199 plus state fee; renewal $199
Our mark9.4out of 10
Mainstay Filing comes second with one $199-a-year price that covers the Idaho filing, your registered agent and your annual report, renewing at $199.
Idaho's annual report carries no state fee every year (due last day of the entity's anniversary month); Mainstay prepares and files it as part of the renewal, with the state's fee passed through at cost.
Three-year cost is $200 higher than Idaho Registered Agent.co, which holds it back here.
What you get
- Formation prepared and filed
- Your registered agent, all year
- Your annual report prepared and filed
- EIN application
Why pick it
- Idaho state fee passed through at cost
- EIN application included
- Single $199 yearly price
- No renewal increase ($199)
Less good
- Renews at $100 a year more than Idaho Registered Agent.co's agent
Place3
Best value hereID Registered Agent.org
3. ID Registered Agent.org: best for a low agent renewal
$199 plus the state fee, then $99 a year
Our mark9.2out of 10
ID Registered Agent.org comes third with $199 to form the LLC in Idaho, with the agent at $99 a year from year two.
It provides the in-state registered office address and posts scans of served legal papers online.
Its prices do not include the annual report; you file that yourself every year.
Idaho Registered Agent.co and ID Registered Agent.org publish the same prices and the same plan features, so the gap between them is small and either is a sound choice.
What you get
- Idaho formation filed for you
- First year of registered agent service
Why pick it
- First year of registered agent service included
- $199 over the state fee
- Then $99 a year
Less good
- Annual report left to you
- EIN help is $99
Quick comparison: Idaho
| Rank | Service | Our score | Service fee | Year two | Best for | Link |
|---|
| 1 | Idaho Registered Agent.co | 9.6 | $199 | $99/yr | An Idaho-only LLC on a budget | Visit Idaho Registered Agent.coPartner link. We may earn money if you buy. |
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| 2 | Mainstay Filing | 9.4 | $199 | $199/yr | Formation, agent and annual report in one price | Visit Mainstay FilingPartner link. We may earn money if you buy. |
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| 3 | ID Registered Agent.org | 9.2 | $199 | $99/yr | An Idaho-only LLC on a budget | Visit ID Registered Agent.orgPartner link. We may earn money if you buy. |
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Editorial scores out of 10 from The Founders Review, using the criteria explained on How we rank. No customer ratings are involved.
Annual and renewal prices in Idaho, 2026
| Service | Year one | Year two | Year three | Three-year total | Annual report filed for you |
|---|
| Idaho Registered Agent.co | $199 | $99 | $99 | $397 | No |
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| Mainstay Filing | $199 | $199 | $199 | $597 | Yes |
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| ID Registered Agent.org | $199 | $99 | $99 | $397 | No |
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Read from each provider's pricing page on November 12, 2026. Every service adds Idaho's $100 fee, so it is left out above.
How the order was decided
Five criteria set the order; the two heaviest are three-year cost and what one price covers. Here three-year cost made the difference.
Three-year cost: $397 with Idaho Registered Agent.co, saving $200 against Mainstay Filing. Doing the annual report yourself saves money, and cost carries the most weight.
Our method page lists all five criteria.
Idaho LLC cost: the official fee
The state fee is $100, paid to the Idaho Secretary of State with the Certificate of Organization Limited Liability Company (Idaho Code § 30-25-201). Each service adds it at cost.
Usual processing: About 7 to 10 days.
After the filing: yearly upkeep
Annual report: every year, due last day of the entity's anniversary month. Every LLC must name a registered agent with an in-state street address.
LLC services in Idaho: questions
How much does it cost to form an LLC in Idaho?
The state filing fee is $100. The services we rank add $199 for preparing and filing it.
What form creates the LLC?
The Certificate of Organization Limited Liability Company, filed with the Idaho Secretary of State.
How long does Idaho take to approve an LLC?
Standard processing: About 7 to 10 days.
Do I need a registered agent for an Idaho LLC?
Every LLC must name a registered agent with an in-state street address.
What yearly filings does an Idaho LLC have?
The annual report, every year, due last day of the entity's anniversary month.
Is the EIN application included?
Mainstay Filing's yearly price includes it. Idaho Registered Agent.co and ID Registered Agent.org charge $99 for it. The IRS itself charges no fee for an EIN.
Which LLC service is best in Idaho?
Idaho Registered Agent.co, because a $199 formation fee over the state's own, then $99 a year for the agent.
Sources
- legislature.idaho.gov/statutesrules/idstat/title30/t30ch21/sect30-21-2 (Idaho yearly filing: Annual report: due date, official source), last confirmed October 2026
- legislature.idaho.gov/statutesrules/idstat/Title30/T30CH25/SECT30-25-2 (Idaho Code § 30-25-201), last confirmed August 2026
- sos.idaho.gov/business-forms (Idaho formation fee: Filing fee, official source), last confirmed October 2026
- legislature.idaho.gov/statutesrules/idstat/Title30/T30CH21/SECT30-21-2 (Idaho formation fee: Filing fee, official source), last confirmed October 2026
- legislature.idaho.gov/statutesrules/idstat/Title30/T30CH21/SECT30-21-4 (Idaho registered agent statute), last confirmed October 2026
- sos.idaho.gov/business-services (Processing, official source), last confirmed October 2026
- Idaho Registered Agent.co: pricing and service pages, read November 12, 2026
- Mainstay Filing: Idaho service page, read November 12, 2026
- ID Registered Agent.org: pricing and service pages, read November 12, 2026