South Dakota LLC Name Search

Check if your business name is available in South Dakota before you file, then see South Dakota's LLC naming rules, fees and filing requirements

South Dakota
Filing Fee
$150
Articles of Organization
Annual Report
$55
Due by the first day of your LLC’s anniversary month each year, starting the year after you form it
Name Reservation
$25
Holds a name for 120 days

How Much Does an LLC Cost in South Dakota?

Filing your Articles of Organization in South Dakota costs $150. After that, the annual report costs $55 a year and is due by the first day of your LLC’s anniversary month each year, starting the year after you form it.

  • Articles of Organization

    Filed online. Paper filings cost $165. Source →

    $150

  • Annual Report

    Due by the first day of your LLC’s anniversary month each year, starting the year after you form it. Paper filings cost $70. Source →

    $55

  • Name reservationOptional

    Holds a name for 120 days. Source →

    $25

  • Fictitious business nameOptional

    Only if you do business under a name other than the LLC’s legal name. Source →

    $10

Checked against official South Dakota sources on October 23, 2026. Fees change, so confirm with the state before you file.

LLC Requirements in South Dakota

Formation Requirements

Basic Requirements

  • Operating Agreement (recommended)
  • Federal Tax ID (EIN)
  • Business Licenses (if applicable)

Registered Agent

South Dakota requires all LLCs to maintain a registered agent in the state.

Processing Time

Online filings are processed immediately, and paper filings take 1–3 business days.

You can request faster processing for $50.

Source →

Contact the South Dakota Business Filing Office

Search LLC Name isn’t a government website. For an official answer about a name or a filing, contact the state office directly.

Contact Details

Fax

605-773-4550

Address Information

Mailing Address

500 East Capitol Avenue Ste. 204, Pierre, SD 57501-5070

Physical Address

500 East Capitol Avenue Ste. 204, Pierre, SD 57501-5070

Official South Dakota Resources

South Dakota LLC Name Search FAQ

Enter the name in the search at the top of this page to open South Dakota’s official business entity search. Search close variations too: South Dakota law requires a new LLC name to be distinguishable upon the records of the Secretary of State (SDCL 47-34A-105). A clear search is a good sign, but the state makes the final call when it reviews your filing.

It must include “Limited Liability Company” or an abbreviation such as “LLC” or “L.L.C.”. South Dakota law requires a new LLC name to be distinguishable upon the records of the Secretary of State (SDCL 47-34A-105). Words like Bank, Insurance or Trust usually need approval from another agency.

A South Dakota name reservation costs $25 and holds the name for 120 days. It can’t be renewed.

Filing your Articles of Organization in South Dakota costs $150. After that, the annual report costs $55 a year and is due by the first day of your LLC’s anniversary month each year, starting the year after you form it.

Online filings are processed immediately, and paper filings take 1–3 business days. You can request faster processing for $50.

Yes, South Dakota requires every LLC to keep a registered agent in the state who can receive legal documents for the business.

South Dakota requires an annual report ($55), due by the first day of your LLC’s anniversary month each year, starting the year after you form it. You also need to keep a registered agent in the state.

File a fictitious business name with the Secretary of State online, or with a county register of deeds, for $10. You renew it every five years.

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