Assumed Business Name Registration
Tuesday, June 27, 2017

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Assumed Business Name Registration

Businesses located in Cook County may now use this online tool to register an Assumed Business Name or amend an existing Assumed Business Name [805 ILCS 405/0.01 el seq]. Under state law, three classes of businesses are required to register assumed names with the local county clerk's office.

  • Sole proprietorships - Businesses defined under state law as being owned by an individual or husband and wife.
  • General partnerships - An association of two or more persons who carry on as co-owners a for-profit business entity.
  • Professional services corporations - A business corporation formed by an individual or group of individuals who are required by law to be licensed or obtain other legal authorization from the state to deliver services (examples include doctors, dentists, land surveyors, podiatrists and some attorneys). Proof of filing with the Secretary of State's office is required.
If your business is a Corporation (excluding Professional), LLC, LLP or a Non-Profit, please register your business with the Secretary of State.
 
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