Free Online Calculator
Illinois LLC Annual Tax & Fee Calculator
Calculate your total costs for forming and maintaining an LLC in Illinois. Moderate filing fees.
Need Registered Agent Service?
Required if no IL address
First Year Total
$225
One-Time Formation Costs
Annual Fees
Very Low Ongoing Costs
Illinois has some of the lowest LLC maintenance costs. Great choice for budget-conscious business owners.
Illinois LLC Key Facts
Important information for Illinois LLC owners
Moderate filing fees
1.5% Personal Property Replacement Tax
Large business market in Chicago
Central US location
Illinois LLC Deadlines & Due Dates
Important dates for Illinois LLC compliance
Annual Tax Due
March 15 (if taxed as partnership)
Annual Report
First day of anniversary month
Processing Time
5-10 business days
Illinois LLC Forms
Required forms for Illinois LLC compliance
Illinois LLC FAQ
Common questions about Illinois LLC taxes and fees
Official Illinois Resources
- Illinois Secretary of State
Business filings
- Illinois Department of Revenue
Tax information
Fees are subject to change. This calculator provides estimates based on current Illinois law. Consult with a tax professional or attorney for advice specific to your situation.