How to Find the Best Registered Agent in Illinois

Avatar photo
by How to Start an LLC Team
Last updated: June 19th, 2024
We might receive compensation from the companies whose products we review. We are independently owned and the opinions here are our own.

Save time with these services

  • Same day filing service
  • Affordable pricing
  • Strict ethical code
  • Set up LLC without hassle
  • Take you through all steps
  • Start your LLC worry-free
  • Excellent option for multi-state firms
  • Help with compliance for highly regulated industries
  • Complete solution for entity management, taxes, and licensing

This guide will help you find the best registered agent in Illinois. We’ll explore key factors to consider, evaluate top providers, and equip you with the knowledge to make an informed decision for your business’s registered agent needs.

Jump to

What is an Illinois registered agent?

The Illinois Secretary of State Department of Business Services states that a registered agent is a person or business entity that accepts legal notices and other official correspondence as a third-party representative for a business. A registered agent in Illinois is the point of contact between your business and the Illinois Department of Business Services.

It is an agent’s primary responsibility to receive service of process as well as important documents, including:

An agent is available physically in Illinois

The physical presence of a registered agent means that they are available during regular business hours to accept official notices from the Illinois Secretary of State, as the state mandates.

The added benefit of a registered agent having a physical address in Illinois is that you can list the agent’s address instead of yours as the business address.

An agent is your required point of contact

Illinois Business Services requires that you have a point of contact between your business and the state so that they are assured someone is available to accept service of process.

You only have seven business days to respond to a subpoena in Illinois. The penalties for not responding to a summons are a possible default judgment and other financial liability.

Registered agent services act as a compliance calendar

The annual report fee in Illinois is due by the end of the month before the anniversary of the formation.

The registered agent service you appoint will keep a compliance calendar with the due dates and fees to remind you and help you submit the proper documents.

Cost of a registered agent in Illinois

You can appoint yourself as your own registered agent for free. You can also choose a friend or family member to act as the business agent.

The state requirements to become a registered agent are that you must be 18 and have a street address in Illinois.

Appointing a professional registered agent service in Illinois will cost between $50 and $500.

When to appoint a registered agent

When you file the formation documents with the Illinois Secretary of State Business Services, you will appoint the chosen registered agent.

Limited liability companies (LLCs) will provide registered agent information when submitting the Illinois Articles of Organization.

For corporations, the resident agent’s information will appear on the Articles of Incorporation.

Regardless of business structure, all businesses must appoint and maintain a registered agent or service upon business formation.

Other business structures include:

  • Sole proprietorships
  • Partnerships
  • Nonprofit

How does an Illinois LLC appoint a registered agent?

LLCs in Illinois list the registered agent information on the Articles of Organization that you submit to Illinois Business Services.

File the Articles of Organization

You can complete the Illinois limited liability act Articles of Organization (form LLC-5.5) and submit it by mail to Illinois Business Services.

Mailing address:
Jesse White Building
213 State Capitol
Springfield, IL 62756

You will use the Illinois Secretary of State Business Services Cyberdrive Illinois website to file the Articles of Organization online.

Appoint your registered agent

Form LLC-5.5 will ask you to provide information regarding the appointed registered agent.

  • Registered agent name
  • Registered agent’s address

Pay your Illinois filing fees

It will cost $150 to file your LLC Articles of Organization in Illinois.

Illinois Business Services does offer expedited processing for an additional $100.

The cost to file Articles of Organization in in Illinois is $150.

How to change your registered agent

If you switch registered agents or have an address change in Illinois, you must officially notify the Secretary of State Business Services.

Submit the statement of change of registered agent online

Depending on your business structure, you can use the Office of Illinois Secretary of State website to file the correct form.

Submit the statement of change by mail or in person

You must download and complete the appropriate form when changing registered agents or updating your registered office address.

You must submit the statement of change in duplicate to the business filing office.

Mailing addresses for corporations and nonprofits
Secretary of State
Department of Business Services
501 S. Second St., Room 350
Springfield, IL 62756

Mailing address for limited liability companies
Secretary of State
Department of Business Services
Limited Liability Division
501 S. Second St., Room 351
Springfield, IL 62756

Mailing address for limited partnerships
Secretary of State
Department of Business Services
Limited Liability Division
501 S. Second St., Room 357
Springfield, IL 62756

It will take Illinois Business Services 7 to 10 business days to file a change in agent form.

You can opt for expedited services for an additional fee.

The cost to switch registered agents by mail in Illinois is $25 for LLCs and corporations.

Submit the change by filing Articles of Amendment

Filing Illinois Articles of Amendment is one way to notify the Secretary of State of an agent switch. It is not recommended unless you make other business registration changes.

The cost to file Articles of Amendment in Illinois is $50.

How to withdraw as a registered agent in Illinois

You must first deliver notice to the company you are resigning as a registered agent using the notice of resignation of registered agent form (form BCA 5.15).

You will then submit the notice to the Illinois Secretary of State by mail or in person.

Form BCA 5.15 will ask you to provide specific information:

  • Name of the corporation and address
  • Registered agent name
  • Registered agent address
  • Date of resignation
  • Proof of notification

The processing fee to resign as a registered agent in Illinois is $5.

Benefits of appointing a registered agent in Illinois

  • You don’t miss critical due dates

Your company’s annual report is due end of the month prior to the formation month anniversary.

You can risk losing liability protection and good standing in Illinois if you don’t pay the annual report fee on time.

A registered agent sends notifications when critical due dates are near and helps you file the appropriate paperwork on time.

  • Your private address stays out of public record

It’s common for business owners to work from home addresses or private offices. When they appoint themselves, the personal address becomes the business address and public record.

The Illinois Business Search can be searched by name, keyword, partial word, or file number.

By electing an outside, registered service can choose to have the service’s address listed in the Illinois database rather than your personal address.

  • You get a discrete point of contact

The title role of a registered agent is to receive legal documents, such as a subpoena.

An agent will receive sensitive legal notices from law firms or the state on behalf of your company. It means that a process server won’t just pop into the office to serve your small business in front of customers.

  • It supports a flexible schedule

The Business Corporations Act of 1983 states that a registered agent in Illinois must be available during normal business hours every business day of the year.

Appointing yourself as your registered agent means you must be in the office during those hours.

Choosing to appoint an outside registered agent as the point of contact allows you to keep a flexible schedule, and you can come and go.

  • You get instant access to the certificate of good standing

Financial institutions and banks will ask for proof that you’re in good standing with the state of Illinois.

Professional registered agent services give Illinois business owners access to formation documents and certificate of good standing to make doing business easier.

  • It speeds up forming a foreign LLC

You must appoint a registered agent to expand an Illinois business into a different state.

The foreign LLC formation remains quick and efficient if you’ve appointed a registered agent already.


How do I choose a registered agent in Illinois?

If you are 18 and have a street address in Illinois, you qualify as a registered agent and can appoint yourself for free. When looking for an outside agent, you will need to look for a reputable professional registered agent service with nationwide coverage.

Can the registered agent address be the same as the business address in Illinois?

An Illinois business address and a registered agent’s address do not have to be the same. You can use the service’s address as the business address to avoid being listed in the Secretary of State business database.

Can I use a registered agent address with the IRS?

You can’t use an appointed registered agent’s address with the US Internal Revenue Service. The application for an employee identification number (EIN) will request requires you to list the physical address of the principal office.

What happens to my active Illinois company if my registered agent resigns?

All businesses formed in Illinois must have and maintain a registered agent. Failure to do so can result in a company being involuntarily dissolved. You will want to submit a change in registered agents to remain compliant.

Can I use a PO box as my business address in Illinois?

You nor your registered agent can use a PO box as a business address in Illinois. The principal office must have a street address. You agent’s the appointed registered agent’s address as your business address.

Find the best registered agent in your state

Click below to get started.

Back to top