Registering An Assumed Name

Step 1 - Completing The Application

Please read the instructions carefully.

How to complete the application

1. Obtain an Assumed Name Application
   
   • Online: Download and print an application*.
     
   • Call: Request that the Cook County Clerk's office send you an application by calling the Assumed Name Unit at (312) 603-7790.
     
   • Mail: Request an application by writing to:
     Cook County Clerk David Orr
     Bureau of Vital Statistics
     Attn: Assumed Name Unit
     P.O. Box 642570
     Chicago, IL 60664-2570
     
   • Visit: Pick up an application at:
     Cook County Building
     Bureau of Vital Statistics
     Assumed Name Unit
     118 N. Clark St.
     Randolph Street entrance/lower concourse level
     Chicago, IL
     
2. List your business' assumed name on the application.
   
3. List the business address.
   
4. List the nature of the business ("pharmacy," "sporting goods," etc.).
   
5. List the full names of each person owning, conducting or transacting the business, along with each person's full and complete residence address, including city, state and zip code.
   
6. Have all individuals conducting the business sign in the spaces provided.
   
7. Have the application notarized by a licensed Notary Public.
   
8. Include the $50 application fee payable in person by cash, check or money order, or by mail with check or money order made payable to the Cook County Clerk.
   
9. Complete the Copy of Legal Notice to be Published form and return it with your application.