Form a LLC in Idaho

Everything you need to know about forming a LLC in Idaho. Filing fees, requirements, timeline, and step-by-step guidance.

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$100
Filing Fee
5-7 business days
Processing Time
Required
Registered Agent

How to File

1

Choose a Name for Your LLC

Select a unique business name that includes 'Limited Liability Company,' 'LLC,' or 'L.L.C.' and is distinguishable from other registered entities in Idaho. Use the Idaho Secretary of State's online business search tool to verify name availability before filing.

15-30 minutes

2

Designate a Registered Agent

Appoint a registered agent with a physical street address in Idaho (P.O. boxes are not acceptable) who is available during normal business hours to receive legal documents and official correspondence on behalf of your LLC. The agent can be an individual Idaho resident or a registered agent service authorized to do business in the state.

15-30 minutes

3

File Articles of Organization

Submit your Articles of Organization to the Idaho Secretary of State online via the SOSBiz portal or by mail, along with the $100 filing fee. The document must include your LLC name, registered agent information, principal office address, and the name and address of the organizer.

30-45 minutes

4

Create an Operating Agreement

Although not legally required by Idaho law, drafting an Operating Agreement is strongly recommended to outline ownership percentages, member roles and responsibilities, profit distribution, and procedures for adding or removing members. This document helps prevent disputes and reinforces the LLC's limited liability status.

1-3 hours

What's Next After Filing

Once your LLC is officially formed, you'll want to complete these important steps:

  • Obtain an EIN from the IRSApply for a Federal Employer Identification Number (EIN) through the IRS website at no cost — this is required if your LLC has more than one member, plans to hire employees, or intends to open a business bank account. Single-member LLCs may also need an EIN for banking and tax purposes.
  • Register for State Taxes and LicensesRegister with the Idaho State Tax Commission for any applicable state taxes, including sales tax or withholding tax if you have employees, through the Idaho Business Registration (IBR) system. Additionally, obtain any required local business licenses or industry-specific permits from the relevant city, county, or state agencies.
  • File Annual ReportsMaintain your LLC in good standing by filing the required Annual Report with the Idaho Secretary of State each year by the end of the month in which your LLC was formed (the anniversary month), with a filing fee of $0 for online filing or $20 for paper filing. Failure to file can result in administrative dissolution of your LLC.

Advantages

  • No state franchise tax or annual LLC fee, making Idaho one of the more affordable states for ongoing LLC maintenance.
  • Simple and straightforward online filing process through the Idaho SOSBiz portal with relatively low formation costs at $100.
  • Pass-through taxation by default means profits and losses flow directly to members' personal tax returns, avoiding double taxation.
  • Single-member LLCs are permitted, giving solo entrepreneurs full limited liability protection without needing additional members.

Considerations

  • Idaho requires annual report filings that must be tracked carefully to avoid administrative dissolution, even though the online filing is free.
  • Out-of-state LLCs conducting business in Idaho must complete a foreign qualification process with a $100 fee, adding complexity for multi-state operations.
  • Idaho's relatively small market size and rural economy may limit access to local investors, venture capital, and business development resources compared to larger states.

Annual Obligations

Annual Report Fee:$0*
Report Due:End of the LLC's anniversary month each year
* Idaho does not impose a state franchise tax or annual LLC tax. The Annual Report is free to file online through the SOSBiz portal; a $20 fee applies if filed by paper. Idaho also does not have a state-level income tax on LLCs as pass-through entities, though members must report their share of income on their Idaho individual income tax returns. LLCs with employees must comply with Idaho withholding and unemployment insurance tax requirements.
Last verified: July 2026Source

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