Registered Agent Costs

Registered Agent Costs › Illinois

Illinois registered agent cost: five-year comparison (2026)

Mainstay Filing, our best overall pick, is $149 a year in Illinois, $745 over five years. Across the 9 providers priced for Illinois the five-year cost runs $516 to $1,245. Changing agents costs $25 in state fees.

  • Prices read October 2026
  • Illinois rules checked October 20, 2026

Five-year cost in Illinois

ProviderYear 1Renewal5-year
FreeRegisteredAgent.com$0$129$516
Northwest Registered Agent$125$125$625
InCorp Services$129$129$645
Harbor Compliance$99$159$735
Mainstay Filing$149$149$745
Bizee$149$149$745
ZenBusiness$99$199$895
Registered Agents Inc$200$200$1,000
LegalZoom$249$249$1,245

Illinois agent rules

Agent 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.
Change-of-agent fee
$25
Statute
805 ILCS 180/1-35
Best overall in Illinois

Mainstay Filing

Our rating: 4.9 out of 5

$149 / year, same at renewal

Questions

How much is a registered agent in Illinois?

9 providers have a published price for Illinois: $0 to $249 in year 1, and $516 to $1,245 over five years. Mainstay Filing is $149 a year.

Do I have to pay for an agent in Illinois?

You must have one, but you may be able to serve as your own agent if you meet these terms: An Illinois resident, or a business authorized to do business in Illinois. The LLC cannot act as its own agent.

What does it cost to change agents in Illinois?

The state charges $25 to file the change of registered agent (805 ILCS 180/1-35).

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