Illinois LLC Name Search

Check LLC name availability in Illinois and get instant access to filing requirements, fees, and formation guidelines

Illinois

Filing Fee

$150

Standard LLC Filing

Processing Time

10-15 business days

Expedited: 24 hours

Annual Fee

$75

Due: Anniversary month

Why Form an LLC in Illinois?

Tax Benefits

Corporate Income Tax: 7%
Sales Tax: 6.25% (state) + local rates

  • Pass-through taxation available
  • Moderate fees
  • Large market access

Legal Protection

Protect your personal assets with Illinois's LLC structure

  • Limited personal liability
  • Asset protection
  • Business credibility

Simple Maintenance

Annual Report Due: Anniversary month

  • Moderate annual fees
  • Online filing available
  • Clear guidelines

Business Flexibility

  • Choose your management structure
  • Flexible profit distribution
  • Easy ownership transfers
  • Multiple owner types allowed

Business Environment in Illinois

State Overview

Capital: Springfield

Filing Fees:

  • LLC: $150
  • Corporation: $150

Processing Times:

  • Standard: 10-15 business days
  • Expedited: 24 hours

Useful Resources

LLC Fees and Forms →Corporation Fees and Forms →Department of Revenue →Illinois Business Licensing →

Tax Information

Corporate Income Tax: 7%

Sales Tax: 6.25% (state) + local rates

LLC Requirements in Illinois

Formation Requirements

Basic Requirements

  • Operating Agreement (recommended)
  • Federal Tax ID (EIN)
  • Business Licenses (if applicable)

Registered Agent

Illinois requires all LLCs to maintain a registered agent in the state.

Annual Compliance

Annual Report

Required - Due Anniversary month

Annual Fee

$75 - Due Anniversary month

Formation Timeline

Processing Options

  • Standard Processing: 10-15 business days
  • Expedited Processing: 24 hours

Initial Costs

  • LLC Filing Fee: $150
  • First Year Annual Fee: $75

Contact Information

Get in touch with the Illinois Secretary of State office for business registration assistance

Contact Details

Address Information

Mailing Address

69 W. Washington, Suite 1240, Chicago, IL 60602

Physical Address

69 W. Washington, Suite 1240, Chicago, IL 60602

Frequently Asked Questions

The initial filing fee for an LLC in Illinois is $150. Additionally, there is an annual fee of $75 due Anniversary month.
Standard processing time in Illinois is 10-15 business days. Expedited processing is available with a turnaround time of 24 hours.
Yes, Illinois requires all LLCs to maintain a registered agent who can receive legal documents on behalf of your business.
LLCs in Illinois must pay an annual fee of $75 due on Anniversary month and file an annual report.
In Illinois, the corporate income tax rate is 7%, and the sales tax rate is 6.25% (state) + local rates. LLCs can choose to be taxed as pass-through entities or corporations.