How much does it cost to form an LLC in Illinois?

$150 to file, and $225 across the whole first year once required reports and minimum state taxes are included. (HelpCompare is in development and this figure may not yet be fully verified — confirm against the state agency before relying on it.)

Does Illinois require an annual report for an LLC?

Yes. Illinois requires a Annual Report, costing $75. Due before the first day of the LLC's anniversary month each year; may be filed up to 45 days early; no extensions. (HelpCompare is in development and this figure may not yet be fully verified — confirm against the state agency before relying on it.)

What happens if I file late in Illinois?

$100 penalty if more than 60 days late (reduced from $300 under House Bill 4578, Illinois LLC Act Sec. 50-15). (HelpCompare is in development and this figure may not yet be fully verified — confirm against the state agency before relying on it.)

Illinois · Limited liability company

What an LLC costs in Illinois

$225 in your first year. That's $150 to file with Illinois Secretary of State, Department of Business Services, and about $75 a year to keep it in good standing after that.

First-year breakdown

State filing fee $150 One-time, paid when you form the LLC
Annual Report $75 Due before the first day of the LLC's anniversary month each year; may be filed up to 45 days early; no extensions.
Total, first year $225

Don't file on this alone. We're still verifying figures state by state. Open the source link below and confirm before you pay anything or rely on a deadline.

Verified Checked 10 Sep 2026 Source: law.justia.com All sources

Keeping it alive

Your annual report

Filing	Annual Report
How often	annual
Fee	$75
When it's due	Due before the first day of the LLC's anniversary month each year; may be filed up to 45 days early; no extensions.
If you're late	$100 penalty if more than 60 days late (reduced from $300 under House Bill 4578, Illinois LLC Act Sec. 50-15).
If you keep ignoring it	SOS may administratively dissolve if the annual report remains unfiled (~180 days late per secondary sources).

State tax: No franchise tax for LLCs (Illinois franchise tax applied only to corporations and has been phased out).

What we're less sure about

Caveats on this page

STATUTE-CONFIRMED (10 Sep 2026). 805 ILCS 180/50-10(b)(1) sets the domestic articles-of-organization fee at $150; 50-10(b)(11) sets the LLC annual report fee at $75.
Formation fee $150 vs $153 unresolved.
$150 + $75 = $225, assuming the anniversary month falls within 12 months.

Ready to file?

You can file directly with Illinois Secretary of State, Department of Business Services yourself — that's always the cheapest route, and we link to the form above. If you'd rather someone handle the paperwork and act as your registered agent, we compare the services that do it.

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