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
- 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
- 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.
- Open the Business Information Search on sosenterprise.sd.gov.
- Type the business name and pick Starts With or Contains, or enter the Business ID.
- Tick Active Entities Only if you want to hide dissolved and expired records, then select Search.
- Scan the result table for the Business ID, entity type, home state, filing date and status.
- Open the record to see the registered agent, annual report due date and filing history.
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
- 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
- Name availability
- Check whether a name is available in South Dakota →
- Business forms and fees
- Official South Dakota business forms and fees →
- Source: sdsos.gov · checked 2026-10-06
South Dakota businesses on file
- DAKTRONICS, INC.EIN 46-0306862
- RAVEN INDUSTRIES, INC.EIN 46-0246171
- SONIFI SOLUTIONS, INC.EIN 46-0371161
- THE EVANGELICAL LUTHERAN GOOD SAMARITAN SOCIETYEIN 45-0228055
- BLACK HILLS CORPORATIONEIN 46-0458824
- GREAT WESTERN BANCORP, INC.EIN 42-0867112
- SOUTH DAKOTA BANKERS ASSOCIATIONEIN 46-0191650
- BLACK HILLS CHILDRENS RANCH INCEIN 46-0358693
- ASSEMBLIES OF GOD CHURCHEIN 44-0577787
- MAGUIRE TANK, INC. MAGUIRE IRON, INC.EIN 46-0256425
- SOUTH DAKOTA STATE UNIVERSITY FOUNDATIONEIN 46-0273801
- BLACK HILLS WORKS INCEIN 46-0341382
- UNIVERSITY OF SOUTH DAKOTA FOUNDATIONEIN 46-6018891
- DAKOTA WESLEYAN UNIVERSITYEIN 46-0224589
- RURAL OFFICE OF COMMUNITY SERVICESEIN 46-0365648
- BOYS AND GIRLS CLUBS OF SIOUX EMPIREEIN 46-0399482
- SESDAC INCEIN 46-0319590
Sources
A fact that could not be confirmed on an official page is left out.
- https://sdsos.gov/general-information/filing-fees.aspxchecked 2026-10-06
- https://sdsos.gov/business-services/corporations/contact.aspxchecked 2026-10-06
- https://sosenterprise.sd.gov/BusinessServices/Business/FilingSearch.aspxchecked 2026-10-06
- https://sosenterprise.sd.gov/BusinessServices/Business/ReinstatementInstr.aspxchecked 2026-10-06
- https://dor.sd.gov/businesses/taxes/checked 2026-10-06
- https://sdsos.gov/business-services/default.aspxchecked 2026-10-06
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