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Form an LLC in South Dakota

How to form an LLC in South Dakota: filing fee, processing time, annual report rules, the official registry link, and choosing a registered agent.

This is not a government website. Incorporation Bureau is privately owned and is not affiliated with the South Dakota business registry, any Secretary of State, or the IRS. You can file directly with the official registry yourself.

Here's what forming an LLC in South Dakota actually involves — the fees, the timeline, the ongoing obligations, and the official registry link, so you can file with confidence.

South Dakota LLC at a glance

State filing fee$150 filed online, or $165 on paper (includes the paper filing fee)
Processing timeProcessing times change — check current times on the official registry
Annual report / franchiseAnnual Report — $55 filed online, or $70 on paper. A $55 late fee applies to delinquent annual reports.
Registered agent required?Yes — physical South Dakota address required
Official registrySouth Dakota Secretary of State business search  →

Steps to form an LLC in South Dakota

  1. Name your LLC and check availability in the South Dakota registry.
  2. Appoint a registered agent with a physical address in South Dakota.
  3. File the state’s LLC formation document using the responsible office’s instructions, and check the applicable fee and any additional filing requirements.
  4. Check the EIN requirements and choose an eligible IRS application route (see the EIN guide).
  5. Stay compliant — track any South Dakota annual report and franchise obligations.
File your South Dakota LLC
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Paid filing assistance is optional. Compare the selected package, government charges, included services and renewal terms before purchasing. Form in South Dakota via Northwest

Some links on this page are partner links. We may earn a commission — always labeled. For official filings you can use your state's .gov registry directly. This is general information, not legal or tax advice.

Budget and filing checks for South Dakota

Compare the source-qualified South Dakota cost row with your own first-year and recurring budget. Then check licenses and permits for the actual business activity. A filing fee is not a complete operating-cost quote.

Frequently asked questions

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

The South Dakota state filing fee is $150 filed online, or $165 on paper (includes the paper filing fee), and the ongoing obligation is Annual Report — $55 filed online, or $70 on paper. A $55 late fee applies to delinquent annual reports.

How long does it take to form an LLC in South Dakota?

Processing time in South Dakota varies, and expedited options may be available. Check current processing times on the official registry before you file.

Do I need a registered agent in South Dakota?

Yes. An LLC must maintain a registered agent who meets South Dakota's requirements. Hiring a commercial service is optional if you or another eligible agent can meet the state's address, availability and consent requirements. Check the official registry before appointing an agent.