Illinois Foreign Qualification

Oct 23, 2025

Foreign qualification with the Secretary of State in Illinois is the process by which a business that was originally formed in another state registers to do business in Illinois. This allows the business to legally operate in Illinois and comply with state regulations.

There are 4 different ways to foreign qualify in Illinois depending on your legal entity type and tax classification. Follow the guide below to help you register with the Secretary of State in Illinois or use Mosey to do it.

Use Mosey to register with the Secretary of State in Illinois.

Illinois Foreign Qualification for Corporation

A foreign nonprofit organizations that wishes to "transact business" in Illinois must file an Application for Authority to Conduct Affairs in Illinois (Form NFP 113.5) with the Secretary of State’s Department of Business Services. Though the Illinois Secretary of State doesn't define "transacting business," they do provide a non-exhaustive list of what is not "transacting business."

  1. Establish a Registered Agent and Registered Office

    Establish and maintain a registered agent and registered office in Illinois upon whom service of process on the corporation may be made and to whom official correspondence from the Secretary of State must be sent.

  2. File an Application for Authority to Conduct Affairs in Illinois

    Complete the Application for Application for Authority to Conduct Affairs in Illinois (Form NFP 113.15). You'll need to attach a recent certified copy of your business's Articles of Incorporation and all amendments and mergers (from within the last 90 days). Note: The application must be mailed back to the state (or filed in person).

Illinois Foreign Qualification for LLC

Foreign limited liability companies "doing business" in Illinois must register with the Illinois Secretary of State's Department of Business Services. Illinois, like most states, provides a list of activities considered not "doing business" instead of defining "doing business."

  1. Obtain a Certificate of Good Standing

    Illinois requires a Certificate of Good Standing or Existence from your home state duly authenticated within the last 60 days.

  2. Establish a Registered Agent

    You must maintain a registered agent in Illinois to accept service of process at your registered office. The registered agent must be an individual resident of this State or other person authorized to transact business in this State.

  3. Apply for Admission to Transact Business

    Complete the Application for Admission to Transact Business (Form LLC-45.5). Then mail the completed document, the Certificate of Good Standing, and the associated fees payment to the Secretary of State's Department of Business Services.

Illinois Foreign Qualification for Professional Corporation, Corporation

A foreign corporation that wishes to "transact business" in Illinois must file an Application for Authority to Transact Business in Illinois with the Secretary of State’s Department of Business Services. Though the Illinois Secretary of State doesn't define "transacting business," they do provide a non-exhaustive list of what is not "transacting business."

  1. Establish a Registered Agent and Registered Office

    Establish and maintain a registered agent and registered office in Illinois upon whom service of process on the corporation may be made and to whom official correspondence from the Secretary of State must be sent.

  2. File an Application for Authority to Transact Business in Illinois

    Complete the Application for Authority to Transact Business in Illinois (Form BCA 13.15). You'll need to attach a recent certified copy of your business's Articles of Incorporation and all amendments and mergers (from within the last 90 days). Note: The application must be mailed back to the state (or filed in person).

  3. Pay Initial Franchise Tax

    Pay the initial franchise tax that is included in the application process. The amount of the franchise tax varies based on the your paid-in capital and the proportion of property and business that will be located in Illinois. Accordingly, these taxes and fees cannot be computed before the Secretary reviews your business’s application. After submitting your Application for Authority to Transact Business, the Secretary will review your application and notify you of the amount due. Note: The minimum amount of the initial franchise tax for foreign corporations is $150.

Illinois Foreign Qualification for LLP

Foreign limited liability partnerships "doing business" in Illinois must register with the Illinois Secretary of State's Department of Business Services. Illinois, like most states, provides a list of activities considered not "doing business" instead of defining "doing business."

  1. Obtain a Certificate of Good Standing

    Illinois requires a Certificate of Good Standing or Existence from your home state duly authenticated within the last 30 days.

  2. Establish a Registered Agent

    You must maintain a registered agent in Illinois to accept service of process at your registered office. The registered agent must be an individual resident of this State or other person authorized to transact business in this State.

  3. Submit Statement of Foreign Qualification

    Complete the Statement of Foreign Qualification (Form UPA-1102) then mail the completed document, the Certificate of Good Standing, and the associated fees payment to the Secretary of State's Department of Business Services.

What else do I need to know?

Once you are registered with the Secretary of State, you may have additional requirements to maintain your "good standing" in the state. Failing to do so can result in fines, back taxes, and forfeiting certain priveleges within the state.

Maintaining a Registered Agent

Most states require that you have a registered agent that can receive important mail from the Secretary of State should they need to contact you. There are many commercial options available or you can use Mosey to be your registered agent and keep your information private in Illinois.

Annual Reports and Taxes

In addition to maintaining a registered agent, most states require you to file a report annually. Registration can also trigger state taxes such as a franchise tax or income tax. You can use Mosey to identify these additional requirements to maintain good standing in Illinois.

Illinois's Foreign Qualification Agencies

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