Form a corporation in Illinois
Illinois charges $150 to form a corporation. We prepare your documents and file them with the Illinois Secretary of State, Department of Business Services.
Illinois details
- Corporation filing fee
- $150
- Expedited processing24 hours
- $100
- Corporation annual reportCorp fee list: ilsos.gov/publications/business-services/dfc.html
- $75
Filing office: Illinois Secretary of State, Department of Business Services. Last checked October 2026. Fees are set by the state and confirmed again before we file. Source
$154 total with our Basic package. We're not a law firm.
Questions
How much does it cost to incorporate in Illinois?
The state charges $150. With our Basic package, the total is $154.
LLC or corporation?
Most small businesses pick an LLC because it has fewer formalities. A corporation suits you if you plan to raise money from investors or issue shares. See the Illinois LLC page to compare fees.
Who approves it?
The Illinois Secretary of State, Department of Business Services. We prepare your documents, submit them there for you and send you copies of what comes back.