Form an LLC or corporation in Illinois
Higher filing fee than most Midwest states. Formation starts at $99, plus Illinois's $150 state filing fee.
$150
State filing fee
7–10 business days
Processing time
$75
Annual report
Required
Registered agent
Available
Expedited filing
Pricing in Illinois
Illinois formation FAQ
How much does it cost to form an LLC in Illinois?
Formation service starts at $99, plus Illinois's $150 state filing fee — a total of $249 to start. Optional add-ons like EIN assistance or a business address are priced separately.
How long does Illinois take to process an LLC filing?
Standard processing in Illinois is estimated at 7–10 business days. Expedited processing is available for an additional fee.
Does Illinois require an annual report?
Yes. Illinois requires an annual report, with an estimated fee of $75.
Do I need a registered agent in Illinois?
Yes, every LLC and corporation formed in Illinois is required to maintain a registered agent with a physical address in the state. Registered agent service is included in every plan.
Figures on this page are estimates last reviewed 2026-09-01 and are not legal, tax, or financial advice. Confirm current fees with Illinois's Secretary of State (or equivalent office) before ordering.