Cook County Business Name Search (Illinois)

Search for Cook County, IL business names. A business name search can help you choose a business name, register a business, identify a trade name, trademark a business name, name an LLC, look up business owners, check if a business name is available, license a business, and more.


A Department of Labor operates at the federal, Illinois State, or local Cook County level to develop employment opportunities, ensure fair labor practices, and promote a competitive workforce. As part of this mission, the Department of Labor may be involved in licensing and registration for businesses under its jurisdiction, including registering business names in Cook County. A Cook County business name search through the Department of Labor can include business names for sole proprietors, partnerships, corporations, limited partnerships, or limited liability companies. This search can also identify the owner of a business and trademarked business names. Many Departments of Labor provide online access to business name search information.

Arlington Heights Illinois Department of Labor Arlington Heights IL 2020 South Arlington Heights Road 60005 847-640-1656

Chicago IL Department of Labor Chicago IL 230 South Dearborn Street 60604 312-596-4430

Chicago Illinois Department Of Labor Chicago IL 160 North LaSalle Drive 60601 312-793-2800


A Secretary of State operates at the Illinois State level to carry out elections, supervise state administration, and act as the Illinois chief corporations officer. As part of this responsibility, many Secretaries of State in Cook County register and license private corporations, small businesses, and other businesses, including registering trade names. Secretaries of State are often responsible for managing businesses that operate within Illinois, including collecting business taxes. A Cook County business name search through the Secretary of State Office can identify business names for sole proprietors, partnerships, corporations, limited partnerships, or limited liability companies. This search can also identify the owner of a Cook County business as well as any trademarked business names. Many Secretaries of State provide online access to their business name search databases.

Bridgeview Illinois Secretary of State Bridgeview IL 7358 West 87th Street 60455 312-793-1010

Chicago Heights Illinois Secretary of State Chicago Heights IL 570 209th Street 60411 312-793-1010

Chicago Illinois Secretary of State Chicago IL 1401 South Jefferson Street 60607 312-633-1653

Chicago Illinois Secretary of State Chicago IL 5401 North Elston Avenue 60630 773-794-5894

Chicago Illinois Secretary of State Chicago IL 5301 West Lexington Street 60644 773-854-1709

Chicago Illinois Secretary of State Chicago IL 17 North State Street 60602 312-793-3722

Chicago Illinois Secretary of State Chicago IL 100 West Randolph Street 60601 312-814-2262

Chicago Illinois Secretary of State Chicago IL 4642 West Diversey Avenue 60639 312-793-1010

Chicago Illinois Secretary of State Vehicle Services Chicago IL 17 North State Street 60602 800-252-8980

Chicago West Secretary of State Facility Chicago IL 5301 West Lexington Street 60644 312-793-1010

Deerfield Illinois Secretary of State Deerfield IL 405 Lake Cook Road 60015 847-564-3625

Des Plaines Illinois Secretary of State Des Plaines IL 1470 Lee Street 60016 312-793-1010

Des Plaines Illinois Secretary of State Des Plaines IL 1492 Lee Street 60018

Elk Grove Village Illinois Secretary of State Elk Grove IL 650 Roppolo Avenue 60007 847-437-2691

Elk Grove Village Illinois Secretary of State Elk Grove IL 665 Roppolo Avenue 60007

Melrose Park Illinois Secretary of State Melrose Park IL 1903 Mannheim Road 60160 312-793-1010

Midlothian Illinois Secretary of State Midlothian IL 14434 Pulaski Road 60445 312-793-1010

Niles Illinois Secretary of State Niles IL 8261 West Golf Road 60714 847-583-9475

Orland Park Illinois Secretary of State Orland Park IL 14700 South Ravinia Avenue 60462 708-403-6775

Schaumburg Illinois Secretary of State Schaumburg IL 1227 East Golf Road 60173 847-619-8850

South Holland Illinois Secretary of State South Holland IL 41 West 162nd Street 60473 312-793-1010


A Town or City Hall provides administrative services for the local Cook County community, including business services such as registering local businesses or processing applications for business licenses. Towns and City Halls in Cook County, Illinois may also be responsible for issuing trade names to local businesses. They may provide online access to a business name search so that people can identify Cook County business names for sole proprietors, partnerships, corporations, limited partnerships, or limited liability companies. This search can also be used to identify the owner of a Cook County business as well as any trademarked business names. Town and City Halls may provide an online searchable database of local business names and information.

Burbank City Hall Burbank IL 6530 West 79th Street 60459 708-599-5500

Calumet City City Hall Calumet IL 204 Pulaski Road 60409 708-891-8100

Chicago City Hall Chicago IL 121 North LaSalle Street 60602 312-744-5000

Chicago Heights City Hall Chicago Heights IL 1601 Chicago Road 60411 708-756-5362

Cicero Town Hall Cicero IL 4949 West Cermak Road 60804 708-656-3600

Country Club Hills City Hall Country Club Hills IL 4200 183rd Street 60478 708-798-2616

Evanston City Hall Evanston IL # 4500, 2100 Ridge Ave 60201 847-866-2936

Evergreen Park Town Hall Evergreen Park IL 9418 South Kedzie Avenue 60805 708-422-1551

Harvey City Hall Harvey IL 15320 Broadway Avenue 60426 708-210-5300

Hazel Crest City Hall Hazel Crest IL 3000 W 170th Pl 60429 708-335-9600

Hickory Hills City Hall Hickory Hills IL 8652 95th Street 60457 708-598-4800

Hoffman Estates City Hall Hoffman Estates IL 1900 Hassell Road 60169 847-882-9100

Hometown City Hall Hometown IL 4331 Southwest Highway 60456 708-424-7500

Palos Heights City Hall Palos Heights IL 7607 W College Dr 60463 708-361-1800

Park Ridge City Hall Park Ridge IL 505 Butler Place 60068 847-318-5200

Prospect Heights City Hall Prospect Heights IL 8 North Elmhurst Road 60070 847-398-6070

Rolling Meadows City Hall Rolling Meadows IL 3600 Kirchoff Road 60008 847-394-8500

Schaumburg City Hall Schaumburg IL 101 Schaumburg Court 60193 847-895-4500