Category Archives: South Dakota Secretary of State (SOS) Taxable Business Entity Search

Search Business Entities at the South Dakota Secretary of State by looking up: Business Trusts, Cooperatives, Corporations, Limited Liability Companies (LLC), Limited Liability Partnerships (LLP), and Limited Partnerships (LP) by their Name, ID Number, or by an Officer. Use this tool to lookup owner information and as a Name Availability Tool.

South Dakota Secretary of State Corporation Entity Search

Step 1 – Go to the South Dakota Secretary of State.

Step 2 – On the search home page, you can lookup a corporation by: Name, Identification Number, City, Filing Date, or by an Officer of the Entity (Director, Registered Agent, Etc.)
When Using the Name Option – If you are going to use the default search by name option is is highly recommended that you use as many search terms as possible to narrow down the results. The Secretary of State’s database will return all listings matching your query.

Step 3 – On the details page, you will be shown all matching results including a preview of the entity’s: Business Number, Name, State of Incorporation, Type, and it’s Standing (Good or Inactive). Click on the Corporate ID Number to see further information.

Step 4 – You have now reached the Entity Details Page and are able to view the corporation’s: Name, Incorporation Date, Home State, Status, Last Annual Report Filed, Type, Stock Info, Registered Agent Name, Registered Agent Address, Previous Documents Filed (Must type in ReCaptcha), and all Officers.


Reserve a Corporate Name
Pursuant to the provisions of the South Dakota Law, the undersigned hereby applies for reservation of the
following name for a period of one hundred twenty (120) days, which period shall not be extended.

Step 1 – Download and fill in the Application.

Step 2 – Enclose a check for $20 and send the form to:
Secretary of State Office
500 E Capitol Ave
Pierre, SD 57501

South Dakota Secretary of State LLC Search & Lookup

Step 1 – Go to the South Dakota Secretary of State.

Step 2 – You may search for an LLC a number of different ways such as by: Name, ID Number, and by an Advanced Search including: City, Filing Date, or an Individual in the company.
When searching by name – Be sure to include as many keywords as possible when doing your search by name. The database will return all closely matching entities to the terms entered, so if you make a broad query, you may be sorting through hundreds of listings.

Step 3 – While you are viewing the results, the Secretary of State gives the user a preview of the limited liability company’s; ID Number, Name, State of Formation, Type, and it’s standing (good or inactive). Click on the ID Number to see more information.

Step 4 – You have reached the end of the process and may be able to view all the data on file with the Secretary of State including the LLC’s:Name, ID Number, Formation Date, Home State, Status, Last Annual Report Filed, Type, Registered Agent (Name and Address), Previously Filings, and all Officers of the company.

Reserve a Company Name
Pursuant to the provisions of the South Dakota Law, the undersigned hereby applies for reservation of the
following name for a period of one hundred twenty (120) days, which period shall not be extended.

Step 1 – Download and complete the Application.

Step 2 – Enclose a check for $25 and send to:
Secretary of State Office
500 E Capitol Ave
Pierre, SD 57501

United States