Illinois Secretary Of State Office
We provide information for the Illinois SOS office below. If you need assistance, then use the information listed on this page to contact the Illinois Secretary of State Office. If you are looking to start a business and want to see if the business name is available, then view how to use the Illinois business entity and corporation search page.
Entity Formation Fees For Illinois
Below we list the fees to file articles of organization to form a business entity in Illinois.
| LLC | Business Corporation | Nonprofit |
|---|---|---|
| $150 + optional $100 expedite fee. The expedite fee is required if you file online. | $150 filing fee + franchise tax ($25 minimum) + optional $100 expedite fee. The expedite fee is required if you file online. Franchise tax is calculated as $1.50 per $1,000 on the paid-in capital represented in this state. So if you paid-in less than $16,666, then your franchise tax due is the minimum amount of $25. | $50 by mail or $75 online |
Illinois State Licensing Agencies
Below is a listing of the state-level licensing agencies within Illinois that a business should check for business license requirements.
| Licensing Agency | Contact Information |
|---|---|
| Attorney General - Charitable Trust Bureau | Phone: 312-814-2595 Web: Home Name search |
| Board of Examiners | Physical address: 1120 E. Diehl Road, Suite 107 Naperville, IL 60563 Phone: 815-753-8900 Fax: 815-753-8953 Web: Home Name search Forms File online Email: help@ilboe.org |
| Commerce Commission | Physical address: 527 E Capitol Ave Springfield, IL 62701 Phone: (217) 782-5793 Web: Home |
| Department of Employment Security | Physical address: 4519 W Main St. Belleville, IL 62226 Phone: (800) 244-5631 Web: Home |
| Department of Financial and Professional Regulation | Physical address: 320 W. Washington Street, Third Floor Springfield, IL 62786 Phone: 1 (888) 473-4858 Web: Home Name search Forms Email: fpr.prfgroup02@illinois.gov |
| Department of Financial and Professional Regulation - Division of Real Estate | Phone: (800) 560-6420 Web: Home |
| Department of Financial And Professional Regulation (IDFPR) - Public Accountancy Section | Physical address: 320 W. Washington Street, 3rd Floor Springfield, IL 62786 Phone: 800-560-6420 Fax: 217-782-7645 Web: Home Name search File online Email: fpr.prfgroup01@illinois.gov |
| Department of Financial and Professional Regulation, Division of Professional Regulation _ State Board of Pharmacy | Physical address: 320 W Washington, 3rd Floor Springfield, IL 62786 Phone: 800-560-6420 Fax: 217-782-7645 Web: Home Name search Forms |
| Department of Labor | Physical address: 900 South Spring Street Springfield, IL 62704 Phone: 217-782-6206 Fax: 217-782-0596 Web: Home |
| Department of Revenue | Physical address: 100 West Randolph Street Chicago, IL 60601-3274 Phone: 800-732-8866 or 217-782-3336 Web: Home |
| Landscape Architect Registration Board | Web: Home |
| Liquor Control Commission | Physical address: 100 W. Randolph St, 7-801 Chicago, IL 60601 Phone: 312.814.2206 Fax: 312.814.2241 Web: Home Forms Email: ILCC@illinois.gov |
| Secretary of State - Business Services Department | Phone: 217-782-6961 Web: Home Name search Forms File online |
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SOS Office Location
Office of the Illinois Secretary of State
501 S. Second St. Room 350
Springfield, IL 62756 -
SOS Office Phone Number
The Illinois SOS office phone number is 217-782-6961.
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SOS State Website
To view the Illinois SOS website, please click here.