Registered Agent Change › Illinois
How to change your registered agent in Illinois
File the Statement of Change of Registered Agent and/or Registered Office (LLC-1.36/1.37) with the Illinois Secretary of State, Department of Business Services, Limited Liability Division. The state fee is $25. Moving to Mainstay Filing makes the first year $174 in all.
The filing
- Form
- Statement of Change of Registered Agent and/or Registered Office, LLC-1.36/1.37
- Filed with
- Illinois Secretary of State, Department of Business Services, Limited Liability Division
- State fee
- $25
- Law
- 805 ILCS 180/1-35
- Who can serve
- An Illinois resident, or a business authorized to do business in Illinois. The LLC cannot act as its own agent.
- Address rule
- The address has to be a registered office in Illinois that matches the agent's business office. A P.O. box alone is not accepted.
The steps in Illinois
- Settle the new agent. Required: Every LLC must name a registered agent with an in-state street address.
- Fill in the form. Use the Statement of Change of Registered Agent and/or Registered Office; it names the new agent and address.
- File and pay. Pay $25. Keep the acceptance.
- Close out the old service before its renewal date.
With Mainstay Filing as the new agent
$149 a year, renewing at $149, plus the $25 state fee once. Service of process is scanned and uploaded the same business day at no fee.
Or serve yourself
Illinois does not let the LLC be its own agent; an owner may qualify only as an individual, so check with the Illinois Secretary of State.
How much does it cost to change a registered agent in Illinois?
The state fee is $25 (Illinois Secretary of State, Department of Business Services, Limited Liability Division). The new agent’s price is separate.
Who can be my registered agent in Illinois?
An Illinois resident, or a business authorized to do business in Illinois. The LLC cannot act as its own agent. Law: 805 ILCS 180/1-35.
Sources
- Illinois Statement of Change of Registered Agent and/or Registered Office, form page: www.ilsos.gov/content/dam/publications/pdf_publications/llc136_137.pdf, checked August 12, 2026
- Illinois registered agent statute (805 ILCS 180/1-35): www.ilga.gov/legislation/ilcs/fulltext.asp?DocName=080501800K1-35, checked October 20, 2026