The state filing fee to form an LLC in South Dakota is $150. Annual maintenance costs include annual report ($50) plus a registered agent. Calculate your total first-year and ongoing costs below.
South Dakota charges a $150 initial filing fee. The annual report is $50. South Dakota has no state income tax and no franchise tax on LLCs. South Dakota's banking-friendly laws make it attractive for financial businesses.
| Cost Item | Amount | When Due |
|---|---|---|
| State Filing Fee | $150 | One-time at formation |
| Annual report | $50 | Annually |
| Registered Agent Service | $49–$300/year | Annually (at renewal) |
| Operating Agreement | $0–$1,500 | One-time (recommended) |
| EIN (Federal Tax ID) | Free | One-time (IRS.gov) |
| Business Bank Account | $0–$50/month | Monthly or free |
| Period | Estimated Cost |
|---|---|
| First Year (state fees + $49 RA) | $249 |
| Ongoing Annual (state fees + $49 RA) | $99/year |
| 5-Year Total Cost (+ RA) | $645 |
Northwest Registered Agent provides registered agent service in South Dakota for $49/year — the lowest price in the industry. They also include a free year of registered agent service when you use them to form your LLC. Vanderflip Financial's preferred partner for LLC formation.
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The South Dakota state filing fee is $150. In the first year, total costs including a registered agent (~$49) and annual state fees ($50) amount to approximately $249. Ongoing annual costs are approximately $99/year.
Yes — South Dakota requires all LLCs to maintain a registered agent with a physical South Dakota address. You can serve as your own registered agent if you have a South Dakota address, or hire a professional service. Professional services (~$49-$300/year) keep your personal address off public records and ensure you receive legal documents even when you're unavailable.
Annual report: $50. Plus registered agent service (~$49/year). Total ongoing: approximately $99/year.
For most small businesses that operate in South Dakota, forming in South Dakota is the right choice. If you form in Delaware or Wyoming and do business in South Dakota, you'll likely need to register as a foreign LLC in South Dakota — paying fees in both states. Delaware and Wyoming make sense for businesses seeking venture capital, planning complex ownership structures, or operating entirely online without a home state nexus.
Standard LLC formation in South Dakota typically takes 5–15 business days. Expedited processing is available for an additional fee and can reduce processing to 1–3 business days in most states. Online filing through the Secretary of State's website is the fastest option. Using a registered agent service like Northwest can also expedite the process.