File your Fictitious Business Name in Illinois. Select your county below to get started.
A Fictitious Business Name (Doing Business As) lets you operate under a business name different from your legal name. In Illinois, Fictitious Business Name filings are handled at the county level.
Most Illinois Fictitious Business Name filings are processed within a few business days after submission to the county office.
Our fee covers preparation and filing of your Fictitious Business Name paperwork. County filing fees vary and are paid separately.