Illinois LLC Requirements

After forming a limited liability company (LLC), you must undertake certain steps on an ongoing basis to keep your business in compliance. These steps are also important in preserving the limited liability an LLC provides its owner(s). This guide outlines the ongoing requirements for Illinois LLCs.

Illinois LLC taxes and fees

The following are taxation requirements and ongoing fees for Illinois LLCs:

  • Annual report. Illinois requires LLCs to file an annual report during the 60-day period before the first day of the anniversary month of the incorporation date. The annual report fee is $250.
  • Taxes. For complete details on state taxes for Illinois LLCs, visit Business Owner's Toolkit or the State of Illinois.
  • Federal tax identification number (EIN). An EIN is required for LLCs that will have employees. Additionally, most banks require an EIN in order to open a business bank account.
  • State tax identification number. Illinois requires a state tax identification number.

Business licenses in Illinois

Business licenses and/or permits are required for most businesses. The BizFilings Business License Application Package can help you stay on top of these requirements.

Additional Illinois information

View the following additional resources BizFilings has for forming and maintaining companies in Illinois: