LLC Formation Compared › Idaho
LLC formation services compared in Idaho (2026)
The Idaho filing fee is $100. With a registered agent, Mainstay Filing (our best overall pick) comes to $299 in year 1; the other four services range from $100 to $349.
- Official sources, checked October 20, 2026
- Prices verified October 2026
Year-1 cost of each service in Idaho
| Service | First-year price (with agent) | Year-1 total |
|---|---|---|
| Bizee | $0 Basic package, agent free the first year | $100 |
| Northwest Registered Agent | $39 package, agent included the first year | $139 |
| ZenBusiness | $0 Starter package plus $99 agent | $199 |
| Mainstay Filing | Included | $299 |
| LegalZoom | $0 Basic package plus $249 agent | $349 |
Idaho filing details
- State filing fee
- $100
- Formation document
- Certificate of Organization Limited Liability Company
- Filed with
- Idaho Secretary of State
- Yearly state report
- Annual report due by the end of the anniversary month; no fee online.
- Registered agent
- Required. An Idaho resident, or a business entity authorized to do business in Idaho. An assumed business name (DBA) cannot serve.
Mainstay Filing
$199 + $100 state fee = $299 in year 1
- LLC formation, prepared and filed
- Registered agent, all year
- EIN application (with an SSN or ITIN)
- Annual report filed every year it is due where the state requires one
- Compliance reminders and stored documents
Price from the Mainstay Filing pricing and FAQ pages, checked October 21, 2026. State fees are passed through at cost and shown before you pay.
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Idaho questions
How much does it cost to form an LLC in Idaho with a service?
In year 1, from $100 (Bizee) to $349 (LegalZoom), with a registered agent and Idaho’s $100 filing fee included. Mainstay Filing is $299.
What does Idaho charge to file an LLC?
$100, paid to the Idaho Secretary of State for the Certificate of Organization Limited Liability Company. Every service on this page adds that fee on top of its own price.
Do I need a registered agent for a Idaho LLC?
Yes. An Idaho resident, or a business entity authorized to do business in Idaho. An assumed business name (DBA) cannot serve.
Is the cheapest first year the cheapest LLC?
Not always. Bizee is lowest in year 1, but the agent price changes after the first year for Bizee, Northwest Registered Agent and ZenBusiness, while Mainstay Filing stays at $199.
Sources
- Idaho Code § 30-25-201 (multira state research spine): legislature.idaho.gov/statutesrules/idstat/Title30/T30CH25/SECT30-25-201/, checked August 12, 2026
- Idaho formation fee: Filing fee, official source read 2026-10-01: sos.idaho.gov/business-forms/, checked October 1, 2026
- Idaho formation fee: Filing fee, official source read 2026-10-01: legislature.idaho.gov/statutesrules/idstat/Title30/T30CH21/SECT30-21-214/, checked October 1, 2026
- Idaho yearly filing: Annual report: due date, official source read 2026-10-01: legislature.idaho.gov/statutesrules/idstat/title30/t30ch21/sect30-21-213/, checked October 1, 2026
- Idaho registered agent statute (Idaho Code § 30-21-404): legislature.idaho.gov/statutesrules/idstat/Title30/T30CH21/SECT30-21-404/, checked October 20, 2026
Provider prices: each company’s own pages, checked October 2026 (see sources and method).