Do you need a business license in Illinois? What kind? Where do you get it? Here's everything you need to know — in plain English.
Illinois doesn't have a single statewide general business license. Chicago has its own licensing system. Other cities have their own offices.
Chicago has one of the more complex local licensing systems in the U.S. — some business types need specific Chicago licenses on top of general registration. Outside Chicago, it's simpler.
Illinois doesn't have a single statewide general business license. Chicago has its own licensing system. Other cities have their own offices. Start here before you do anything else.
Most business licenses in Illinois are issued by your city or county — not the state. Search "[your city] business license" and find the official government website.
If you're doing business under a name that isn't your own name, you may need a DBA (Doing Business As) registration. This is usually done at the county level.
If you sell physical products, Illinois wants you to collect sales tax. You need to register with the state's department of revenue — this is separate from your business license.
Most business licenses in Illinois need to be renewed annually. Mark your calendar or you'll pay a late fee.
⚠️ Heads up: This is general information — not legal advice. Rules change. Always check with your actual city or state office before doing anything official. We may earn from some links.