# Form a corporation in South Dakota

Source: https://joinopenfile.com/corporation/south-dakota
Index: https://joinopenfile.com/llms.txt

South Dakota charges $150 to form a corporation. We prepare your documents and file them with the South Dakota Secretary of State.

## South Dakota details

- Corporation filing fee: $150
- Expedited processing (expedited review): $50
- Corporation annual report (Online $55, paper $70; late fee $55): $55

[Filing office: South Dakota Secretary of State](https://sosenterprise.sd.gov/BusinessServices/Business/RegistrationInstr.aspx). Last checked October 2026. Fees are set by the state and confirmed again before we file. [Source](https://sdsos.gov/general-information/filing-fees.aspx)

[Start my South Dakota corporation](https://joinopenfile.com/start?entity=corp&state=SD)

$154 total with our Basic package. We're not a law firm.

## Questions

How much does it cost to incorporate in South Dakota?

The state charges $150. With our Basic package, the total is $154.

LLC or corporation?

Most small businesses pick an LLC because it has fewer formalities. A corporation suits you if you plan to raise money from investors or issue shares. See the South Dakota LLC page to compare fees.

Who approves it?

The South Dakota Secretary of State. We prepare your documents, submit them there for you and send you copies of what comes back.