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DBA filing · South Dakota

How to File a DBA in South Dakota

In South Dakota, a DBA is registered at the state level. Register with the Secretary of State — Business Services for $10.

Check my business nameSee how to file

A DBA — short for “doing business as,” also called a fictitious business name, assumed name, or trade name — lets you legally operate under a name that isn't your own legal name or your company's exact registered name. In South Dakota, a DBA is registered at the state level.

Here's exactly where and how to register your DBA in South Dakota — and what it costs — so your filing is accepted the first time.

How to file a DBA in South Dakota

  1. Confirm your name is available. Run a quick pre-check on our name-search tool, then verify it against the official South Dakota records so you don't pay to file a name that's taken.
  2. Complete the South Dakota filing. Register with the Secretary of State — Business Services. The filing fee is $10.
  3. Handle any extra steps. Fictitious business name filed and renewed online with the SoS.
  4. Keep it active. Your registration lasts 5 yrs before it needs renewing — we'll remind you before it lapses.
Where it's filed: State filing — Secretary of State — Business Services.

Two ways to file in South Dakota

DBAform is a resource either way — do it yourself with the official link, or let us handle it.

Do it yourself — free

Use the official South Dakota link and the details on this page to file it yourself at no charge.

Open the official South Dakota filing page →

Done for you — via LegalZoom

Prefer to hand it off? File through LegalZoom, our recommended service (plus the $10 state fee).

File through LegalZoom →

Rather have it done for you?

Don't want to navigate the Secretary of State — Business Services yourself? File through LegalZoom, our recommended filing service — they prepare the paperwork and submit it to the correct office (from $99 plus the $10 state fee). DBAform may earn a commission if you use our link, at no extra cost to you.

File through LegalZoom →Read the FAQ

South Dakota DBA — frequently asked questions

Where do I file a DBA in South Dakota? +

In South Dakota, a DBA is filed with the Secretary of State — Business Services. This is a state-level filing.

How much does a DBA cost in South Dakota? +

South Dakota's government filing fee is $10. You can file it yourself and pay only that fee, or file through LegalZoom (from $99 plus the state fee).

Does a DBA in South Dakota expire or need to be renewed? +

A South Dakota DBA must be renewed every 5 years.

Does South Dakota require newspaper publication for a DBA? +

No. South Dakota does not require you to publish a notice of your DBA in a newspaper.

Do I have to file a DBA in South Dakota? +

If you operate under any name other than your own legal name (as a sole proprietor) or your business's exact registered name (as an LLC or corporation), South Dakota requires you to register it. If you use only your legal name, you generally don't need one.

Is a DBA the same as an LLC in South Dakota? +

No. A DBA is only a registered trade name -- it doesn't create a legal entity or protect your personal assets. An LLC does both. Many owners form an LLC and then file a DBA under it.

Other states

Filing in more than one state, or not sure this is the right one? Browse every jurisdiction or jump to a popular state:

DBA in CaliforniaDBA in TexasDBA in FloridaDBA in New YorkDBA in IllinoisDBA in GeorgiaAll 50 states →

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