LLC for Beginners

LLC for Beginners › Idaho

Forming an LLC in Idaho for the first time

The Idaho filing fee is $100. For a beginner the best service is Mainstay Filing: $199 a year covers the filing, agent, EIN application and the annual report, so year 1 comes to $299.

  • Official sources, checked October 20, 2026

Your Idaho checklist

  1. File the Certificate of Organization Limited Liability Company. $100 to the Idaho Secretary of State.
  2. Registered agent. Every LLC must name a registered agent with an in-state street address. Mainstay Filing includes it.
  3. EIN. Free from the IRS; included in the application Mainstay Filing prepares.
  4. Operating agreement. Write one even for a single owner. No upcharge at Mainstay Filing.
  5. Annual report. Annual report due by the end of the anniversary month; no fee online.. Due: Last day of the entity's anniversary month.
Best for beginners

Mainstay Filing

Our rating: 4.9 out of 5

$199 / year + $100 state fee

  • 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.

Total for the first three years

$697 with Mainstay Filing, state fees included. Others: Northwest Registered Agent $389; ZenBusiness $597; Bizee $398; LegalZoom $847 (these totals leave out any charge for filing the annual report).

Questions

What is the best LLC service for a beginner in Idaho?

Mainstay Filing. First year $299 including the $100 Idaho filing fee; $199 in year 2.

Can a beginner file an LLC in Idaho without a service?

Yes: file the Certificate of Organization Limited Liability Company with the Idaho Secretary of State for $100. Required registered agent: An Idaho resident, or a business entity authorized to do business in Idaho. An assumed business name (DBA) cannot serve.

Sources