Registered Agent Cost by State › Illinois
Registered agent cost in Illinois: the agent’s price and the state’s fees
In Illinois an agent costs $0 to $249 in year one, by published price. Mainstay Filing is $149, the same at renewal. Separately the state charges $25 to change agents, and $75 a year for the annual report.
The state’s bill
Change of agent$25, Illinois Secretary of State (805 ILCS 180/1-35)
Annual report$75 a year (Limited Liability Company Annual Report), due Before the first day of the entity's anniversary month each year
Agent required?Required. Every LLC must name a registered agent with an in-state street address.
State figures checked October 20, 2026.
The agent’s bill
| Provider | Year 1 | Renewal | 3-year |
|---|---|---|---|
| FreeRegisteredAgent.com | $0 | $129 | $258 |
| Harbor Compliance | $99 | $159 | $417 |
| ZenBusiness | $99 | $199 | $497 |
| Northwest Registered Agent | $125 | $125 | $375 |
| InCorp Services | $129 | $129 | $387 |
| Bizee | $149 | $149 | $447 |
| Mainstay Filing | $149 | $149 | $447 |
| Registered Agents Inc | $200 | $200 | $600 |
| LegalZoom | $249 | $249 | $747 |
Moving an existing company to Mainstay Filing costs $174 in the first year: $149 for the agent plus $25 to the state.
How much does a registered agent cost in Illinois?
9 providers have a published Illinois price: $0 to $249 in year one. Mainstay Filing is $149 a year.
What does Illinois charge to change a registered agent?
$25 (805 ILCS 180/1-35, Illinois Secretary of State).
What is the Illinois annual report fee?
$75 a year, the Limited Liability Company Annual Report, due Before the first day of the entity's anniversary month each year. It is paid to the state, not to your agent.