LLC Startup Cost

LLC Startup Cost › South Dakota

South Dakota LLC startup cost (2026)

Starting a South Dakota LLC costs $150 to file. With Mainstay Filing, our best overall pick, the first-year total is $349, with the agent, EIN application and report filing included. The first report later costs $55.

  • Official sources, checked October 20, 2026

South Dakota budget, line by line

LineWhat it isCost
State filing feeArticles of Organization, South Dakota Secretary of State$150
Registered agentYou may act as your own agent if you meet the address rule$0 yourself, or paid
EINIssued by the IRS online$0
State totalFiling fee plus quantified extras$150
With Mainstay FilingState total plus the first-year price (agent, EIN application, report filing)$349
Best overall in South Dakota

Mainstay Filing

Our rating: 4.9 out of 5

$199 / year, same at renewal

  • LLC formation, prepared and filed
  • Registered agent, all year
  • EIN application (with an SSN or ITIN)
  • Annual report filed every year it is due where the state requires one
  • Compliance reminders and stored documents

Price from the Mainstay Filing pricing and FAQ pages, checked October 21, 2026. State fees are passed through at cost and shown before you pay.

Questions

How much does it cost to start an LLC in South Dakota?

The state filing fee is $150. With Mainstay Filing, our best overall pick, the first-year total is $349.

Does South Dakota charge anything besides the filing fee?

Not in the sources we checked. The first Annual Report is a later cost: $55.

Can I be my own registered agent in South Dakota?

A commercial registered agent listed with the state, a noncommercial agent (an individual or entity with a South Dakota address), or the title of an office in the company.

Sources