Illinois

How to Start an LLC in Illinois

To start an LLC in Illinois, file Articles of Organization with the Illinois Secretary of State.

• Filing Fee: $150

• Approval Time: 7–14 business days (online or by mail, plus mail time if mailed)
  
  

6 Steps to Start an LLC in Illinois

• Choose an LLC Name

• Select a Registered Agent

• File Articles of Organization

• Create an Operating Agreement

• Get an EIN

• Register with the Department of Revenue
  
  

If you want to form your LLC yourself, follow our free step-by-step guide below.
If you'd rather have someone handle it for you, we recommend RAINC. They provide LLC formation and Registered Agent services.

Illinois LLC Costs

Fee Type                              Amount            Frequency

Articles of Organization          $150                 One-time

Annual Report                        $75                     Yearly

• $150: One-time fee to file your Articles of Organization, which officially creates your LLC.

• $75/year: For your Annual Report, a required filing to keep your LLC in good standing with the state.

Illinois LLC Approval Time

• Online Filing: 7–14 business days

• Mail Filing: 7–14 business days (plus mail time)

Register with the Illinois Department of Revenue

All LLCs in Illinois must register with the Illinois Department of Revenue (IDOR) to do business in the state.

• You'll receive:

  • A Certificate of Registration

  • An Illinois Taxpayer ID (different from your EIN)

• Cost: Free ($0)
  
  

Note: Illinois does not require a general state business license.
However, local licenses or permits may be required depending on your business type and location (e.g., a daycare may need a city license).