IL · State guide

Form an LLC in Illinois

Illinois charges $154 to file an LLC by its default method (standard · online), and documents come back in about 16 days. Here is every filing option, what the state expects each year, and your first-year total with us.

State filing fee$154Standard · online · about 16 days
Fastest option3 daysExpedited · online · $256 + $49 expedite
First year · Starter$503$349 plan + $154 state fee · ≈ ₹48,100
First year · Pro$1,153$999 plan + $154 state fee · adds Form 5472

State fees synced Sep 17, 2026 from our filing partner and charged at cost. Expedited methods add our $49 expedite fee.

Filing methods

Every way to file in Illinois

The state sets the fee and the speed. We file by the method you pick and pass the fee through at cost.

MethodFiledState feeOur expedite feeDocuments back inFirst year · Starter
StandardBy mail$150—10 days$499
StandardDefaultOnline$154—16 days$503
ExpeditedOnline$256+ $493 days$654
Every year after

What Illinois expects each year

Forming is the easy part. These are the recurring obligations that keep the company in good standing.

IL · every year

We track Illinois's annual report deadline for you

We haven't published a checked summary of Illinois's yearly requirements on this page yet. Once your company is formed, its annual report or franchise tax deadline — where Illinois sets one — goes on your compliance calendar, with a reminder well before it's due.

For the current rules, check the Illinois Secretary of State's website.

Federal · every state

Form 5472 + pro forma 1120

A foreign-owned single-member LLC files these with the IRS every year, even with no revenue.

DueApril 15
IRS penalty if missed$25,000
Filed for you onPro plan
Ready when you are

Form your Illinois LLC

Starter is $349 a year plus the $154 state fee at cost. EIN and registered agent included.

Form in Illinois