Registered Agent Fees

Registered Agent Fees › Illinois

What Illinois charges for a registered agent change (2026)

Illinois charges $25 to file a change of registered agent. With Mainstay Filing, our best overall pick at $149 a year, switching costs $174 in year 1 and $149 after.

  • Illinois rules checked October 20, 2026
  • Provider fees read October 2026

Every fee, in order

FeeAmountWho charges it
Change-of-agent filing$25Illinois Secretary of State
Yearly agent service, year 1$149Mainstay Filing
Yearly agent service, renewal$149Mainstay Filing
Setup feeNoneMainstay Filing
Best overall in Illinois

Mainstay Filing

Our rating: 4.9 out of 5

$149 / year, same at renewal

  • Registered agent, all year
  • Mail and legal-document scanning and forwarding
  • Compliance reminders

Checked October 20, 2026.

8 other providers priced in Illinois

Harbor Compliance, InCorp Services, Northwest Registered Agent, FreeRegisteredAgent.com, ZenBusiness, Registered Agents Inc, Bizee and LegalZoom. Their yearly fees range from $0 to $249 in year 1, before the state’s fee.

Illinois agent rules

Requirement
Required. An Illinois resident, or a business authorized to do business in Illinois. The LLC cannot act as its own agent.
Address
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.
Statute
805 ILCS 180/1-35

Questions

What does Illinois charge to change registered agents?

$25, filed with the Illinois Secretary of State (805 ILCS 180/1-35). That is rank 12 of 50, highest first.

What is the total cost to switch to Mainstay Filing in Illinois?

$174 in year 1: the state’s $25 fee plus $149 for the first year of service, with the same $149 at renewal.

Can I be my own registered agent in Illinois?

An Illinois resident, or a business authorized to do business in Illinois. The LLC cannot act as its own agent. 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.

Sources