Start a Business in Idaho
Forming an LLC in Idaho costs $100 in state filing fees; a corporation costs $100. Idaho charges LLCs no recurring annual report fee.
Last verified July 2026 against official Idaho sources.
Idaho Business Formation Costs by Type
| Business type | Filing fee | Processing | Recurring state fees / yr (est.) |
|---|---|---|---|
| LLC | $100 | 5-7 business days | $0 |
| Corporation | $100 | 5-7 business days | $0 |
| S-Corp | $100 | 5-7 business days | $0 |
| Nonprofit | $30 | 3-5 business days | $0 |
| Partnership | $0 | No filing required for general partnership | $0 |
Recurring estimate = report fee (halved for biennial reports) + franchise/minimum tax; excludes publication, registered-agent and income taxes. Details and sources are on each guide. Official filing office: sosbiz.idaho.gov.
Choose a Business Structure in Idaho
LLC in Idaho
Flexible structure with liability protection and pass-through taxation.
Corporation in Idaho
Formal structure ideal for raising capital and issuing stock.
S-Corp in Idaho
A federal tax election (IRS Form 2553) for an LLC or corporation.
Nonprofit in Idaho
Tax-exempt status for charitable, educational, or religious purposes.
Partnership in Idaho
Simple structure for two or more owners sharing profits and losses.
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