Updated 2026-04-30 · Verified against South Dakota Secretary of State
South Dakota business law (S.D. Codified Laws §47-34A-108) requires every domestic and foreign entity to appoint a registered agent at the time of formation and to keep that designation current. An acceptable registered agent in South Dakota maintains a physical street address within the state and is available during regular business hours; post office boxes do not satisfy the statute. The agent’s name and street address are filed with the South Dakota Secretary of State and become part of the public business record.
In practice, the registered agent designation sits within a wider compliance cycle: a $150 formation filing with the South Dakota Secretary of State, an annual report at $50 annually by the first day of the second month after formation anniversary, and a $10 Statement of Change whenever the agent changes. South Dakota has no state income tax, making it a popular choice for trust structures and asset-protection LLCs alongside Nevada and Wyoming.
| # | Service | Price/yr | Best for |
|---|---|---|---|
| 1 | Northwest Registered Agent | $125 | privacy-focused customers |
| 2 | ZenBusiness | $199 | new businesses bundling formation |
| 3 | LegalZoom | $249 | customers wanting brand-name support |
| 4 | Mainstay Filing | $99 | balanced value |
South Dakota-specific option: South Dakota Registered Agent.co operates exclusively in South Dakota and specializes in same-state filings. Best for businesses that want a state-focused provider with local-only operations.
| Physical address required | Yes — must be a street address in South Dakota |
|---|---|
| P.O. box allowed | No |
| Business hours availability | Required during normal business hours |
| Resident requirement | Must be a South Dakota resident OR a business entity authorized to do business in South Dakota |
| Listed in public record | Yes — name and address are publicly searchable via South Dakota Secretary of State |
| Statute reference | S.D. Codified Laws §47-34A-108 |
| Filing Type | Fee | Renewal | Renewal Fee |
|---|---|---|---|
| LLC formation (Articles of Organization) | $150 online / $165 paper | annually by the first day of the second month after formation anniversary | $50 |
| DBA / Fictitious Name | $10 | Every 5 years | $10 |
| Registered Agent change | $10 | — | — |
| Annual Report | $50 | annually by the first day of the second month after formation anniversary | $50 |
Yes — if you are a South Dakota resident with a physical street address and are available during business hours.
Yes. South Dakota law requires every LLC to maintain a South Dakota-based registered agent regardless of where the owner lives.
The South Dakota Secretary of State can administratively dissolve your business after approximately 60 days of non-compliance.
Yes — file a Statement of Change of Registered Agent with the South Dakota Secretary of State for $10.
$50–$150 per year for commercial services; free if you self-serve.
Yes. The agent's name and address are searchable via the South Dakota Secretary of State business records.
Same-day with most commercial services; same-business-day filing if submitted online before the daily cutoff.
This page provides general information about South Dakota registered agent requirements, not legal advice. Filing fees and procedures may change; verify current details with the South Dakota Secretary of State before filing. We may receive compensation from services listed in our comparisons; this does not influence our editorial selections.