Advertising agencies in Illinois

1,082 advertising agencies listed across 229 cities in Illinois.

Quick answer

USA Business Search lists 1,082 advertising agencies in Illinois. The most are in Chicago (422), Naperville (22), Schaumburg (20).

Updated October 2026

Advertising agencies by city

Chicago (422)Naperville (22)Schaumburg (20)Rockford (18)St. Charles (16)Champaign (15)Peoria (14)Skokie (14)Springfield (13)Northbrook (12)Evanston (10)Lombard (10)Elk Grove Village (10)Aurora (9)Elgin (9)Bloomington (9)Crystal Lake (9)Oak Brook (9)Oak Park (8)Elmhurst (8)Tinley Park (8)Downers Grove (7)Des Plaines (7)Glenview (7)Palatine (7)Wheaton (7)Plainfield (7)Frankfort (7)Mokena (6)Woodridge (6)Itasca (6)Geneva (5)Wheeling (5)Batavia (5)Deerfield (5)Oakbrook Terrace (5)Bartlett (5)Morton Grove (5)Orland Park (4)Decatur (4)Bolingbrook (4)Addison (4)Highland Park (4)Buffalo Grove (4)Lisle (4)Glen Ellyn (4)Rolling Meadows (4)Effingham (4)Hinsdale (4)Carol Stream (4)Lake Zurich (4)Burr Ridge (4)Joliet (3)Arlington Heights (3)Oak Lawn (3)Quincy (3)Moline (3)Carbondale (3)Dekalb (3)Normal (3)Algonquin (3)Pekin (3)Mount Vernon (3)Westmont (3)Rock Island (3)Sycamore (3)Fairview Heights (3)Lincolnwood (3)Lemont (3)Wood Dale (3)Glen Carbon (3)Hillside (3)Gurnee (2)Mount Prospect (2)Edwardsville (2)Niles (2)Marion (2)Urbana (2)Cicero (2)New Lenox (2)Bloomingdale (2)Alton (2)Loves Park (2)Woodstock (2)West Chicago (2)Romeoville (2)Collinsville (2)Bensenville (2)La Grange (2)South Holland (2)Lansing (2)Bridgeview (2)South Elgin (2)Glendale Heights (2)Rosemont (2)Westchester (2)Centralia (2)Willowbrook (2)Taylorville (2)Crest Hill (2)Cary (2)Northfield (2)Crestwood (2)Winnetka (2)Canton (2)Harvard (2)East Dundee (2)Shelbyville (2)Flossmoor (2)Carterville (2)East Saint Louis (2)Johnsburg (2)Dundee (2)Inverness (2)Waukegan (1)Belleville (1)Libertyville (1)Park Ridge (1)Barrington (1)Hoffman Estates (1)

Well-documented advertising agencies in Illinois

A sample of listings with a street address, phone number and website, one per city.

Vsa Partners, Inc.

600 W Chicago Ave Ste 250, Chicago, IL 60654 · Claim or fix

Call (877) 422-1311 Website

Amp Studio

1022 Andrews Ct, Naperville, IL 60540 · Claim or fix

Call (630) 381-6058 Website

Finer Line

1306 N Plum Grove Rd, Schaumburg, IL 60173 · Claim or fix

Call (847) 884-1611 Website

Astute Web Group

6740 Newburg Rd, Rockford, IL 61108 · Claim or fix

Call (815) 627-0078 Website

Streng Agency

2325 Dean St Ste 100-a, St. Charles, IL 60175 · Claim or fix

Call (630) 584-3887 Website

1% Marketing & Web Design Champaign

1702 Hedge Rd, Champaign, IL 61821 · Claim or fix

Call (217) 383-0900 Website

AdCo Advertising Agency

1302 W Pioneer Pkwy, Peoria, IL 61615 · Claim or fix

Call (309) 692-7880 Website

Adtime Marketing Inc

8022 Monticello Ave, Skokie, IL 60076 · Claim or fix

Call (847) 971-6010 Website

Advanced Media Placement

900 Community Dr, Springfield, IL 62703 · Claim or fix

Call (217) 241-1700 Website

Blue Chip Marketing Worldwide

650 Dundee Rd Ste 250, Northbrook, IL 60062 · Claim or fix

Call (847) 418-8000 Website

Britton Design

1234 Sherman Ave Ste 200, Evanston, IL 60202 · Claim or fix

Call (847) 421-8486 Website

Harp Advertising + Interactive

555 Waters Edge Ste 130, Lombard, IL 60148 · Claim or fix

Call (630) 660-9961 Website

How to choose an advertising agency in Illinois

Ask how they track ads to real calls, forms and sales, not just clicks.
Make sure your ad accounts are in your name, not the agency's.
Ask what the management fee is and what the ad spend is, separately.

Common questions

How many advertising agencies are listed in Illinois?

USA Business Search lists 1,082 advertising agencies in Illinois, in 229 cities and towns.

Which Illinois cities have the most advertising agencies?

Chicago (422), Naperville (22), Schaumburg (20), Rockford (18), St. Charles (16).

How do I verify a Illinois business?

Use the state's official business search and licensing boards, linked in our Illinois business lookup guide.

Advertising agencies nationwide Illinois directory