DoorWorthy

Who needs a fictitious business name (DBA) registration in South Dakota?

Issued by South Dakota Secretary of State, at step 1 of 6 in the opening sequence: set up the business.

Every kind of business in South Dakota

The South Dakota table lists this for every kind of business.

Needed whenever the business trades under any name other than the owner’s legal name or the LLC’s registered name. File online with the Secretary of State, or on paper with any county register of deeds. Registration gives no exclusive right to the name.

Checked Oct 21, 2026 against the agency’s page.

Step 1 of 6: Set up the business

  1. Set up the business
  2. Register for tax
  3. Approve the space
  4. Get the permits for your kind of business
  5. Alcohol permits
  6. Before the first hire

Issued by South Dakota Secretary of State.

Sources and dates

Secretary of State business name registration instructions (SDCL 37-11). Checked against the agency’s page on the date shown; cities add their own fees.

Questions about opening here.