Fee verified September 3, 2026. Always confirm on the Illinois Secretary of State site before filing — fees change.
LLC cost in Illinois
Forming an LLC in Illinois costs $150 in state filing fees, plus $75 for the annual report. Your realistic first-year state-fee total is $225.
Illinois fee breakdown
| Articles of Organization (filing fee) | $150 |
| Report fee (Annual) | $75 |
| First-year state total | $225 |
| Registered agent (if hired) | $0 self-filed · $125-$249/yr service |
| EIN from the IRS | $0 (file the SS-4 yourself) |
What you'd pay with a formation service
Northwest: $39 + $150 state fee = $189 year one, $125/yr agent from year two. ZenBusiness or Bizee: $0 + $150 = $150 year one, $199/yr agent after. The full comparison with tradeoffs lives in best LLC formation services.
Filing yourself in Illinois
Go to the Illinois Secretary of State's business filing portal, search your name for availability, and file the Articles of Organization online. Payment is by card, approval is typically days, and the EIN from irs.gov is free and instant. The national cost table shows how Illinois compares, and the FormBench homepage has the calculator for your exact scenario.
This page is fee data, not legal advice. For anything entity-structure related, talk to an accountant or attorney.