Start a Business in South Dakota
Forming an LLC in South Dakota costs $150 in state filing fees; a corporation costs $150. Expect about $50 a year in recurring state fees for an LLC.
Last verified August 2026 against official South Dakota sources.
South Dakota Business Formation Costs by Type
| Business type | Filing fee | Processing | Recurring state fees / yr (est.) |
|---|---|---|---|
| LLC | $150 | 3-5 business days | $50 |
| Corporation | $150 | 3-5 business days | $50 |
| S-Corp | $150 | 3-5 business days | $50 |
| Nonprofit | $30 | 3-5 business days | $10 |
| Partnership | $0 | 3-5 business days for LP filings | $50 |
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: sdsos.gov.
Choose a Business Structure in South Dakota
LLC in South Dakota
Flexible structure with liability protection and pass-through taxation.
Corporation in South Dakota
Formal structure ideal for raising capital and issuing stock.
S-Corp in South Dakota
A federal tax election (IRS Form 2553) for an LLC or corporation.
Nonprofit in South Dakota
Tax-exempt status for charitable, educational, or religious purposes.
Partnership in South Dakota
Simple structure for two or more owners sharing profits and losses.
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