Corporation · Illinois · 2026
What a corporation really costs in Illinois
Every state fee and deadline for a corporation in Illinois, from the official state source.
To form
$150
Articles of Incorporation (Form BCA 2.10)
First year with the state
~$225
Filing + one round of required reports and minimum taxes
With Incorra
$150
Free filing, state fee at cost. Or $399 with Plus (agent + reports, $249/yr).
Every recurring requirement
- Illinois corporation annual report + franchise taxEvery year in the month you formed. Form BCA 14.05: $75 filing fee plus franchise tax (0.1% of paid-in capital, $25 statutory minimum) but the first $10,000 of franchise tax liability is exempt for 2025-2026 (805 ILCS 5/15.35), so a small corp typically pays $75. Due before first day of anniversary month.$75
Questions
How much does it cost to form a corporation in Illinois?
Illinois charges $150 to file the Articles of Incorporation (Form BCA 2.10).
What does a corporation cost every year in Illinois?
Illinois corporation annual report + franchise tax: $75, every year in the month you formed (Form BCA 14.05: $75 filing fee plus franchise tax (0.1% of paid-in capital, $25 statutory minimum) but the first $10,000 of franchise tax liability is exempt for 2025-2026 (805 ILCS 5/15.35), so a small corp typically pays $75. Due before first day of anniversary month.).
What if my corporation was formed in another state?
To do business in Illinois you register as a foreign entity: Application for Authority to Transact Business (Form BCA 13.15), $150.
Not sure a corporation is right?
Describe your business and Incorra compares LLC, S-corp and C-corp with your numbers, including the tax when you sell, then files it in Illinois.
Plan my company freeSource: https://www.ilsos.gov/departments/business-services/fees.html · not yet independently verified; confirm on the state site. State fees change; Incorra re-checks them regularly. General information, not legal or tax advice.