Services Registration-taxes-revenue
Business Registration
Learn more about registration requirements for Illinois businesses.
Start a Business
We offer a wide range of resources for those looking to start a business any where in Illinois. Find information on all the help we offer here
Corporate & Limited Liability Company (LLC) Name Search
Corp and LLC Certificate of Good Standing allows you to search for information regarding corporations, not-for-profit corporations, limited partnerships, limited liability companies and limited liability partnerships, as well as, other business-related information.
Locate Registered Business Names
On here twice: Corp and LLC Certificate of Good Standing allows you to search for information regarding corporations, not-for-profit corporations, limited partnerships, limited liability companies and limited liability partnerships, as well as, other business-related information.
Verify a Registered Business
Verify an Illinois Business Registration here.
Corporation & Limited Liability Corporation Online Filings
Business Services Home Page allows you to access the areas of Business Services and their forms.
Liquor License Lookup
Search for Illinois liquor licensees online.
Business Tax Registration Online
File your Illinois Business Registration Application online with MyTax Illinois
Illinois Business Information
Links to information and resources for starting, running, expanding, relocating, or closing a business
Unemployment Tax, Wage Reports, & Withholding Filing
File your Employer’s Quarterly Contribution and Wage Report (UI-3/40) online with Illinois Taxnet.
Register, Become a Vendor, & Sell to State Government
Food Service Sanitation Manager Certification
Food Service Sanitation Manager Certification (FSSMC) is required by Section 750.540 of the Illinois Food Service Sanitation Code based on the food service establishment’s risk category assigned by the local health department. A FSSMC is earned by completing an approved eight hour course with an Illinois approved instructor and passing a national exam accredited by the Conference for Food Protection, then paying a fee to IDPH, which is valid for five years from the exam date.

Capital Development Board
Capital Development Board oversees the design and construction of state-funded facilities.
Commerce Commission, Illinois
The ICC's mission is to balance the interests of consumers and utilities to ensure adequate, efficient, reliable, safe and least-cost public utility services.
Housing Development Authority
The Illinois Housing Development Authority (IHDA) finances the creation and preservation of affordable housing throughout the State of Illinois to increase the supply of decent and safe places for people of low and moderate means to live. IHDA is an independent, self-supporting state agency that issues bonds based on its own strong credit rating to raise private capital to finance affordable housing. In addition, IHDA oversees and allocates federal and state resources to community partners to offer affordable mortgages to homebuyers and construction loans and grants to developers of multifamily rental properties. Since its creation in 1967, IHDA has allocated more than $15 billion and financed approximately 250,000 affordable housing units for residents of Illinois
State Fire Marshal
The Office of the Illinois State Fire Marshal is dedicated to working with our partners and providing assistance to the fire services in the protection of life, property and the environment through communication, inspection, investigation, certification and licensing.
Commerce and Economic Opportunity, Department of
Our mission is to provide economic opportunities for businesses, entrepreneurs, and residents that improve the quality of life for all Illinoisans. We are laser-focused on improving transparency and accountability, enhancing customer service, increasing Illinois’ competitiveness, advancing minority empowerment, modernizing Illinois’ workforce, and elevating our state’s promotional efforts.
Agriculture, Department of
The Illinois Department of Agriculture will be an advocate for Illinois' agricultural industry and provide the necessary regulatory functions to benefit consumers, agricultural industry, and our natural resources. The agency will strive to promote agri-business in Illinois and throughout the world.

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