Resources for Starting and Maintaining a Business in Illinois

At CorpNet our mission is to help you start your business and help you keep it in compliance. To assist you in your entrepreneurial journey, we’ve collected answers to the most frequently asked questions small business owners have about starting and maintaining a business in the state of Illinois.

Our goal is to provide you with a one-stop solution for all of your business, payroll tax registrations, and compliance filings. And if we can help you along the way, our team of entity filings and compliance experts is just a call away.

Quick Facts for Starting an Illinois Business

Expedited Services Available: Yes
New Business Publishing Required: No
Private Registration Available: No

Registered Agent Required: Yes
Annual Report Required: Yes
Franchise Tax Required: Yes

State Sales Tax: 6.25%
State Income Tax: 9.5%
Unemployment Insurance: .85% – 8.65%

DBAs do not require a registered agent.

Illinois Business Entity Options

Business Entity Type State Fees Applicable Form
Domestic Limited Partnership (LP) $150 Certificate of Limited Partnership (Form LP 201)
Foreign Limited Partnership (LP) $150 Application for Certificate of Authority
(Form LP 902)
Domestic Limited Liability Partnership (LLP) $100 Per Partner Statement of Qualification
(Form UPA 1001)
Domestic Limited Liability Company (LLC) $150 Articles of Organization
(Form LLC 5.5)
Domestic Corporation $150 Articles of Incorporation
(Form BCA 2.10)
Domestic Medical Corporation $150 Articles of Incorporation
(Form BCA 2.10 MCA)
Domestic Close Corporation $150 Articles of Incorporation
(Form BCA 2.10 2A)
Domestic Nonprofit Corporation $50 Articles of Incorporation
(Form NFP 102.10)
Domestic Professional Service Corporation $150 Articles of Incorporation
(Form BCA 2.10 PSCA)
All Foreign Business Entities $150 Application for Authority to Transact Business in Illinois
(Form BCA 13.15)
Foreign Limited Liability Partnership (LLP) $500 Statement of Foreign Qualification (Form UPA 1102)

Not Sure Which Type of Business You Need?

Launch CorpNet’s Business Structure Wizard to get suggested entities based on your unique needs. It’s free and easy to use.

Key Illinois Government Resources

Illinois Secretary of State​
213 State Capitol
Springfield, IL 62756

Illinois Department of Revenue
PO Box 19048
Springfield, Il 62794-9048

Man Holding Tablet

Need a Small Business Compliance Checklist?

Business compliance can slip through the cracks! As your existing business evolves, you are required to file notify the state of any changes. Many business owners lose sight of these requirements and fail to realize they haven’t met compliance requirements.

Use our compliance checklist to determine which business filings you need to perform to manage this year’s activities and changes.

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