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EntityWire/States/South Dakota

South Dakota Secretary of State, Division of Business Services

South Dakota business entity search

Office facts, status meanings and filing rules for South Dakota. The steps below show how to search South Dakota's official registry.

Federal filings only here. South Dakota registry records are on the official site.

South Dakota registry at a glance

Registry agency
South Dakota Secretary of State, Division of Business Services
Office
Secretary of State Monae L. Johnson
Source: sosenterprise.sd.gov · checked 2026-10-06
Phone
605-773-4845
Source: sdsos.gov · checked 2026-10-06
Address
Capitol Building, 500 East Capitol Avenue, Ste 112, Pierre, SD 57501-5070
Source: sdsos.gov · checked 2026-10-06
Hours
8 a.m. to 5 p.m. Central Time, Monday to Friday; closed on recognized holidays
Source: sdsos.gov · checked 2026-10-06
Official search
Business Information Search →
Source: sosenterprise.sd.gov · checked 2026-10-06
Registry number
Business ID. Two letters and six digits; the letters show the record type, for example DL331405 (South Dakota LLC), FL002454 (foreign LLC), NS010743 (South Dakota nonprofit), UB194968 (DBA).
Source: sosenterprise.sd.gov · checked 2026-10-06

How to search the South Dakota registry

The Business Information Search searches by business name (starts with or contains), secretary of State Business ID and active entities only filter.

  1. Open the Business Information Search on sosenterprise.sd.gov.
  2. Type the business name and pick Starts With or Contains, or enter the Business ID.
  3. Tick Active Entities Only if you want to hide dissolved and expired records, then select Search.
  4. Scan the result table for the Business ID, entity type, home state, filing date and status.
  5. Open the record to see the registered agent, annual report due date and filing history.

Open the official South Dakota search →

Three numbers, three agencies

Asking for the wrong number is a common reason a search comes back empty.

Federal EIN
Internal Revenue Service
Identifies the business for federal tax. It is the same number in every state.
Source: irs.gov
Business ID
South Dakota Secretary of State, Division of Business Services
Identifies the entity's record in the South Dakota registry. Two letters and six digits; the letters show the record type, for example DL331405 (South Dakota LLC), FL002454 (foreign LLC), NS010743 (South Dakota nonprofit), UB194968 (DBA).
Source: sosenterprise.sd.gov · checked 2026-10-06
South Dakota Department of Revenue tax license
South Dakota Department of Revenue
South Dakota has no corporate income tax; sales and other tax licenses come from the Department of Revenue and are separate from the federal EIN and the Secretary of State Business ID.
Source: dor.sd.gov · checked 2026-10-06

What a South Dakota status means

Good Standing
The entity is registered and its annual reports are current.
Source: sdsos.gov · checked 2026-10-06
Delinquent
The annual report was not filed within 2 months after its due date, and late fees apply.
Source: sdsos.gov · checked 2026-10-06
Administratively Dissolved / Revoked
The state dissolved a domestic entity or revoked a foreign one, often after it stayed delinquent; reinstatement requires the missed reports, fees and a tax clearance certificate.
Source: sdsos.gov · checked 2026-10-06
Active / Cancelled / Expired
Statuses used for DBA (fictitious business name) records.
Source: sdsos.gov · checked 2026-10-06

Fees and annual filings

LLC formation
$150 online; $165 on paper
Source: sdsos.gov · checked 2026-10-06
Corporation formation
$150 online; $165 on paper
Source: sdsos.gov · checked 2026-10-06
Annual filing
Annual Report
Source: sdsos.gov · checked 2026-10-06
Annual fee, LLC
$55 online; $70 on paper
Source: sdsos.gov · checked 2026-10-06
Annual fee, corporation
$55 online; $70 on paper
Source: sdsos.gov · checked 2026-10-06
When it is due
Due every year on the 1st day of the anniversary month of the original filing; it can be filed up to 2 months early. LPs and business trusts do not file.
Source: sdsos.gov · checked 2026-10-06
Late filing
If not filed within 2 months after the due date, the entity becomes delinquent and a $55 late fee applies; continued delinquency can lead to administrative dissolution.
Source: sdsos.gov · checked 2026-10-06
Filed with
Secretary of State, online through Business Services Online
Source: sdsos.gov · checked 2026-10-06
Note
Foreign corporations and LLCs pay $750 online for a certificate of authority. Paper filings carry a $15 paper fee.
Source: sdsos.gov · checked 2026-10-06

As published by the South Dakota Secretary of State, Division of Business Services, checked 2026-10-06. Fees change, and the official schedule decides.

Forming or running a business in South Dakota

Registered agent
Entities keep a registered agent on file, which can be a commercial registered agent listed with the Secretary of State, and the public search can look up businesses by agent.
Source: sdsos.gov · checked 2026-10-06
Business forms and fees
Official South Dakota business forms and fees →
Source: sdsos.gov · checked 2026-10-06

South Dakota businesses on file

Sources

A fact that could not be confirmed on an official page is left out.

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