Registered Agent in Illinois
Protect Your Privacy & Stay Compliant
Keep your personal address out of Illinois public records and ensure you never miss a legal document. CrowSmart provides a reliable physical IL address, starting at $149/year.

What Illinois Businesses Need to Know
DIY vs. Professional Service
Why thousands of Illinois businesses choose professional registered agent services
DIY Approach
Be your own IL registered agent
CrowSmart Service
Professional IL registered agent
Doing Business in Illinois
State Income Tax
4.95% flat rate
personal income tax rate
Report Frequency
Annual
LLC filing requirement
Key Fact
$75 annual report fee
about Illinois
Illinois requires LLCs to file annual reports with a $75 fee. The state has a flat income tax rate of 4.95% and is home to a diverse business ecosystem centered around Chicago. All business entities must maintain a registered agent in the state.
What Illinois Requires
The Illinois Secretary of State sets specific requirements for registered agents operating in Illinois. Here's what your business must comply with.
50 States
We meet requirements in all of them
Physical Address Requirement
No P.O. Boxes allowedIllinois requires your registered agent to have a physical street address (not a P.O. Box) within the state. This ensures that legal documents from the Illinois Secretary of State and Illinois courts can be physically delivered and received.
Business Hours Availability
9 AM - 5 PM, Mon-FriYour Illinois registered agent must be available during normal business hours (9 AM to 5 PM, Monday through Friday) to accept service of process and official correspondence from the Illinois Secretary of State.
Ongoing Maintenance
Continuous requirementIllinois requires you to maintain a registered agent throughout your business's existence. If you change agents, you must file an update with the Illinois Secretary of State (filing fee: $25) to stay in compliance.
Multi-State Considerations
One per stateIf your Illinois-based business operates in other states through foreign qualification, you'll need a registered agent in each state. CrowSmart provides registered agent services in all 50 states, simplifying multi-state compliance.
Your Registered Agent in All 50 States
Select your state for specific requirements and pricing
Frequently Asked Questions
Got questions? We've got answers. Find everything you need to know about our Registered Agent service.
Your Illinois Business Deserves Protection
Don't risk your home address in Illinois public records. Get a professional registered agent today.
Just $149/year. Less than $13/month