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Illinois LLC: Key Data, Fees & Features

Your complete overview of $Illinois LLC costs, pros & cons, and key regulations. Make an informed decision with our up-to-date data.

State Filing Fee

$150

Processing Time

3-10 days

Annual Report Fee

$75

Anonymous LLC

No

Publication

No

Advantages

  • LLCs can be member-managed or manager-managed.
  • Illinois allows Series LLCs, which can protect separate businesses under one main LLC.
  • Operating agreements are not required, providing flexibility.

Disadvantages

  • The 6.25% Illinois sales tax must be collected.
  • The individual income tax rate of 4.95% applies to LLC profits.
  • LLCs with employees must pay workers’ compensation and unemployment insurance taxes.

Franchise Tax & State Requirements

If the report is more than 60 days late, there is a $100 late fee.

LLCs must collect the 6.25% Illinois sales tax and pay the individual income tax rate of 4.95%. LLCs with employees must also pay workers’ compensation and unemployment insurance taxes.

Frequently Asked Questions

Transparency & Data Sources

This review was last updated on $August 19, 2025 to ensure accuracy.

Recommended Agents for Illinois

$39+ State Fee
  • LLC formation
  • Registered Agent service for the first year
Bizee logo

Bizee

(4.6)
$0+ State Fee
  • Free 1st Year Registered Agent Service
  • Articles of Incorporation
$0+ State Fee
  • Business Name Check
  • Preparation & Filing of Formation Documents

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Data on this page is manually collected and verified quarterly to ensure accuracy.See our full methodology.