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Business Registration

Assumed Business Name Registration

Who Needs to Register Under the Assumed Business Name Act?
Sole proprietorships and general partnerships located in DuPage County must register with the DuPage County Clerk's Office if the name of the business is any name other than that of the owner(s).

How Do I Register an Assumed Name?
Come into the DuPage County Clerk's Office, 421 N. County Farm Road, Wheaton, IL 60187, Monday-Friday, 8 a.m. to 4:30 p.m. and fill out an application.


Fill out the application and have each owner sign and their signature notarized and mail it with a check or money order made payable to the DuPage County Clerk to:

Jean Kaczmarek
DuPage County Clerk
P.O. Box 1028
Wheaton, IL 60187

What is the fee to register an assumed name?
The filing fee for an assumed business name is $10.

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