South Dakota Business Name Reservation

South Dakota (SD) State ShapeFiling for name reservation in South Dakota will protect the business name you have chosen from being registered by someone else. Scenarios, where someone is thinking to officially form the business at any point later but is sure about the business name, in such cases filing for name reservation makes sense.

In South Dakota, you can reserve the business name for the period of 120 days. The name can be renewed again after 60 days from the expiry date. The business name reservation can also be transferred to someone during the holding period.

South Dakota Business Name Requirement

South Dakota Secretary of State has mandated certain requirements which you must keep in mind while selecting a business name.

The business name must be unique and distinguishable from any existing business entity name registered with Secretary of State. Also any difference in grammar, similarly sounding business name, or using stop words does not make the business name unique and it will lead to the name being rejected.

For example following names are not distinguishable:

  • Justin Plumber LLC vs The Justin Plumber LLC
  • Mango Farm LLC vs Mango Farms LLC
  • Jake & Mary Corporation vs Jake and Mary Corporation

Required suffix in the business name:

  • For Corporations:
    Must contain either “Corporation”, “Incorporated”, “Company”, “Limited” or an abbreviation of one of such words.
  • For LLC
    Must contain either “Limited Liability Company”, “Limited Company”, “L.L.C.”, “LLC”, “L.C.”, “LC”, “Limited”, “Ltd.”, “Company” or “Co.”

Prohibited words:

Certain words such as ‘Bank‘, ‘Trust‘, ‘Insurance‘ etc are prohibited to use.

Checking the Availability of a Business Name

South Dakota Secretary of State provides an online tool to check the availability of any business name. You can use this tool to find and research a name for your business. We have written an in-depth tutorial on how to search for a business name in South Dakota.

How to Reserve Business Name

Business name reservation can be done by Mail.

By Mail

Download Form
AddressSecretary of State Office
500 E Capitol Ave
Pierre, SD 57501
Processing TimeAround 5 days after the receipt

  1. Download the South Dakota Name reservation form (refer the table above).
  2. Fill the form with the requested details.
  3. Include the money order/check/credit card payment of $25.
    Check/money order must be drawn in name of “Secretary of State“.
  4. Send the filled form to
    Secretary of State Office
    500 E Capitol Ave
    Pierre, SD 57501

South Dakota Secretary of State Contact

For any queries, you can contact the SOS at (605)-773-4845 during business hours.


Last Updated: 21/08/2018

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