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Illinois . Registered Agent

Illinois registered agent rules + how to change yours.

Every Illinois LLC, Corp, and LP must designate a registered agent. This guide explains who can serve, address requirements, and the $25 (LLC) / $25 (Corp) change process.

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Illinois registered agent requirements

  • Physical Illinois address. P.O. Boxes are not accepted.
  • At least 18 years old.
  • Illinois resident or authorized entity.
  • Acceptance of appointment.
  • Available during business hours.

Can I be my own registered agent in Illinois?

Yes, if you meet the requirements. But most founders choose a professional service:

Your home address becomes public
Must be present during business hours
Filing required every move ($25 (LLC) / $25 (Corp))

How to change your Illinois registered agent

  1. 1Choose your new agent.
  2. 2Prepare a Statement of Change.
  3. 3File with the Illinois Secretary of State, Department of Business Services. Fee: $25 (LLC) / $25 (Corp).
  4. 4Notify your existing agent.
FAQ

Frequently asked questions

Do I need a registered agent in Illinois?
Yes.
Can I be my own registered agent in Illinois?
Yes, if you meet the requirements.
How do I change my Illinois registered agent?
File a Statement of Change. Fee: $25 (LLC) / $25 (Corp).
What does a Illinois registered agent do?
Receives Service of Process and official correspondence.
What happens if I do not have a registered agent?
Illinois will administratively dissolve the entity.
Can a Illinois registered agent be a P.O. Box?
No. Must be physical street address.
How much does a Illinois registered agent cost?
File.Business: $99 per state per year.

Ready to handle this the easy way?

Five minutes per filing. State fee passed through at cost. Audit trail and deadline tracking included.

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Disclosure. File.Business is a private business filing and compliance service. We are not a government agency and are not affiliated with the Illinois Secretary of State, Department of Business Services or any Secretary of State office. You may file directly with the Illinois Secretary of State, Department of Business Services. Information on this page is for general guidance only and is not legal, tax, or accounting advice. Fees and deadlines verified against the Illinois Secretary of State, Department of Business Services as of June 2026 and may change. For entity-specific guidance, consult a licensed Illinois attorney or CPA.

Get Illinois RA . $99/yr
File.Business is a private business filing and compliance service. We are not a government agency and are not affiliated with any Secretary of State office. You may file directly with the appropriate state agency. SOC 2 Type II audited. 220,000+ businesses formed since 2017.