How to Start an LLC in South Dakota (2026 Guide)
South Dakota charges $150 to form your LLC — and then asks for genuinely little else. No personal income tax, no corporate income tax, no franchise tax, and no newspaper publication requirement. It's one of the most tax-friendly states in this entire series, full stop.
South Dakota domestic Articles cost $150 online or $165 on paper. Annual Reports cost $55 online or $70 on paper and are due the first day of the anniversary month, starting the following year. Confirm current payment charges and the filing queue. Taxes, licenses and other obligations depend on activity.
- State filing fee
- $150 online / $165 paper
- Processing time
- Check current SOS queue
- Annual report
- $55 online / $70 paper
- Personal income tax
- None
- Corporate income tax
- None
- Foreign qualification fee
- $750 — notably high
Why Form an LLC in South Dakota?
South Dakota is genuinely one of the most tax-friendly states covered in this entire series. What you get:
- No personal income tax — one of only a handful of states that levies none at all, on any income.
- No corporate income tax and no franchise tax — your LLC owes nothing at the entity level to South Dakota, regardless of structure.
- Fast processing — online filings are typically approved in about 1 business day, among the quickest in this series.
- No newspaper publication requirement — unlike New York, Arizona, or Nebraska, South Dakota's filing is complete once your Articles clear the Secretary of State.
One number to know before you register a foreign entity: if your LLC was formed elsewhere and you're registering to do business in South Dakota, the foreign qualification fee is $750 — five times the $150 domestic formation fee, and genuinely one of the highest foreign-entity fees of any state in this series. This doesn't affect founders forming a brand-new South Dakota LLC, only those bringing an out-of-state LLC in.
How to Start a South Dakota LLC in 8 Steps
Your name must be distinguishable from every South Dakota entity and contain "LLC" or "Limited Liability Company." Search free through the Secretary of State.
Every South Dakota LLC must continuously maintain a registered agent — an SD resident or authorized entity with a physical in-state street address.
File the Articles of Organization
$150 base fee, filed online for about 1 business day approval — among the fastest processing times in this series.
Not required by South Dakota, but it overrides state default rules and satisfies your bank.
Get Your Free EIN from the IRS
Your federal tax ID for banking and hiring. South Dakota has no state income tax registration to worry about. Always free at IRS.gov.
~$50–$55/yr, due the first day of your LLC's anniversary month — not an exact date, the whole month matters.
Get Business Licenses & Permits
No statewide general license — but sales tax registration, local permits, and professional board licenses as applicable.
Understand South Dakota LLC Taxes
No personal income tax, no corporate tax, no franchise tax — just federal self-employment tax and sales tax if applicable.
What a South Dakota LLC Really Costs (2026)
| Cost Item | Amount | When |
|---|---|---|
| Articles of Organization (required) | $150 online / $165 paper | One-time, at formation |
| Annual report (required) | ~$50–$55 | Every year, anniversary month |
| Registered agent service (optional) | $99–$249/yr | Annual, if hired |
| Name reservation (optional) | $25 online / $40 mail | One-time hold |
| Expedited processing (optional) | +$50 | Faster turnaround |
| EIN from the IRS | $0 — always free | At IRS.gov |
| Foreign qualification (if applicable) | $750 | Only for out-of-state LLCs registering in |
Bottom line: about $154 to form and roughly $50–$55/yr to maintain — and, unlike most states, that's essentially the entire ongoing state-level financial picture, since there's no income tax on top. Model your exact setup below.
South Dakota LLC Cost Calculator
South Dakota LLC Cost Calculator
First-year + 5-year totals · Check current official instructions
Excludes state income tax (South Dakota has none) and local permits.
The Anniversary-Month Annual Report
South Dakota's annual report is due on the first day of your LLC's anniversary month — meaning if your LLC was approved any day in June, your report is due every June 1st going forward. This is a middle ground between states with one shared fixed date and states requiring the exact anniversary date: South Dakota gives you the whole month as a natural deadline, anchored to a specific, memorable day at the start of it.
South Dakota LLC Taxes at a Glance
Default LLCs pass profits to your personal return — and South Dakota levies no personal income tax on that profit at all. Add federal self-employment tax of 15.3% on 92.35% of net profit, which remains regardless of your state. The LLC itself owes no corporate income tax and no franchise tax. Sellers collect a 4.2% state sales tax plus local rates up to 2%, for a combined range of roughly 4.5%–6.5%. Details in Step 8.
Ahmad Adil's Take: South Dakota genuinely deserves its reputation as a tax-friendly state — no personal income tax, no corporate tax, no franchise tax, and a formation process that's about as fast and clean as this series gets. If you're actually living and working in South Dakota, this is a real, meaningful advantage that compounds every single year you're in business. The one thing I want anyone considering South Dakota purely for tax arbitrage to understand: if you don't actually live or operate here, your home state will generally still tax your income regardless of where your LLC is formed — South Dakota's tax advantages benefit South Dakota residents and businesses genuinely operating here, not just anyone who files paperwork.
- ✓Optional formation assistance; confirm filing scope, service pricing and submission responsibilities.
- ✓Optional formation assistance; confirm filing scope, service pricing and submission responsibilities.
- ✓Confirm registered-agent eligibility, coverage, included periods and renewal charges.
- ✓Review address-use rules and privacy policies; a service does not remove all information from public filings.
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South Dakota LLC — FAQ
Ahmad Adil is the founder and CEO of LLC School. For filing and ongoing compliance, confirm the requirements with the responsible state agency. This is educational information, not legal or tax advice.
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