Illinois Business Registration Fee Calculator
Forming an LLC in Illinois costs $150 to file, then about $75 per year to keep it in good standing. Incorporating costs $150 up front and about $75 per year. Pick your entity type above for the itemized breakdown.
Your business
- Annual report$75.00
- LLC formation filing (Articles of Organization)$150.00
Estimate only — actual fees are set by your state and county at the time of registration. Data last reviewed 2026-07-17. This state's full local formula is not yet implemented; see the notes below the calculator.
What determines business cost in Illinois?
- Entity type (LLC vs. corporation)
- Formation filing fee ($150 LLC / $150 corp)
- Annual/biennial report fees
- Franchise or privilege taxes
Frequently asked questions
How much does it cost to start an LLC in Illinois?
The state filing fee for Articles of Organization is $150. That's the mandatory government cost — registered-agent services, operating agreements, and expedited processing are optional extras.
What does an LLC cost per year in Illinois?
About $75 per year: a $75 annual report.
How much does it cost to incorporate in Illinois?
Filing Articles of Incorporation costs $150, then about $75 per year in report fees.
More Illinois calculators
Business Registration calculators for other states
Official Illinois resources
Estimates here are informational — the state is the only source of an official quote.
Data last reviewed 2026-07-17.