> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/companies-in/st-louis-mo/advertising-services/ # Advertising Agencies in St. Louis, MO The bigger advertising agencies headquartered in St. Louis, MO, with what they do, their sizes and how to reach their people. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** Among the advertising agencies counted in St. Louis, MO, the biggest by headcount range include Creatives On Call, Abstrakt Marketing Group and Drive Social Media. They are mostly very small: 75% have 50 or fewer employees. ## Which advertising agencies are in St. Louis? Among the companies whose public profile lists Advertising Services as their industry and St. Louis, MO as their headquarters, the biggest by headcount range include Creatives On Call, Abstrakt Marketing Group, Drive Social Media, Sapper Consulting and C4 Connections. Names link to a company profile where we have one. | Company | Employees | | --- | --- | | Creatives On Call | 1,001 to 5,000 | | Abstrakt Marketing Group | 501 to 1,000 | | Drive Social Media | 201 to 500 | | Sapper Consulting | 201 to 500 | | C4 Connections | 201 to 500 | | Brand Addition North America | 201 to 500 | | Hlk | 51 to 200 | | Paradowski Creative | 51 to 200 | | North | 51 to 200 | | Moosylvania | 51 to 200 | | We Are Alexander | 51 to 200 | | Rodgers Townsend, Ddb | 51 to 200 | | Brighton Agency | 51 to 200 | | Coegi | 51 to 200 | | New Honor Society An Fcb | 51 to 200 | | Colortek | 51 to 200 | | Stl Real Producers Magazine | 51 to 200 | | Educa Worldwide | 51 to 200 | | Smps St. Louis Chapter | 51 to 200 | | The Nitrous Effect | 51 to 200 | | Isyndicate.Io | 51 to 200 | | Propharma Sales | 51 to 200 | | [R.R. Donnelley & Sons](https://enrich.chat/company/r-r-donnelley-and-sons/) | 51 to 200 | | Butler Merchandising Solutions | 51 to 200 | | Cartwheel A Maritz Agency | 51 to 200 | The table shows the 25 biggest by headcount range, with ties broken by audience size. The charts and percentages below cover every company counted for this page, not just these 25, and companies with fewer than 11 employees are not counted. Headquarters is the location on each company's public profile. ## What do advertising agencies in St. Louis do? Advertising Services is a broad label. The most common NAICS codes among them are 541810 (22%), 541613 (19%) and 541820 (6%). **Figure: What advertising agencies in St. Louis do.** Bars for the share of counted advertising agencies with each code: 541810 22%, 541613 19%, 541820 6%, 541890 6%, 323120 3%, 423920 3%, 457120 3%. *Share of counted advertising agencies in St. Louis by their NAICS code.* [NAICS 541810](https://enrich.chat/naics/541810/)[NAICS 541613](https://enrich.chat/naics/541613/)[NAICS 541820](https://enrich.chat/naics/541820/) ## How big are they? 75% of the advertising agencies counted in St. Louis have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. **Figure: Size of advertising agencies in St. Louis.** Seven columns for the share of counted advertising agencies in St. Louis in each employee range: 11 to 50 75%, 51 to 200 20%, 201 to 500 3%, 501 to 1,000 1%, 1,001 to 5,000 1%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted advertising agencies in St. Louis in each employee range.* ## How old are they? Most were founded in the 2010s (31%), then the 2000s (29%). **Figure: When advertising agencies in St. Louis were founded.** Eight columns for the share of counted advertising agencies in St. Louis founded in each era: Before 1960 5%, 1960s 0%, 1970s 5%, 1980s 9%, 1990s 15%, 2000s 29%, 2010s 31%, 2020s 7%. *Share of counted advertising agencies in St. Louis by the era they were founded in, for the ones that list a founding year.* ## How advertising agencies compare - 38% were founded in 2010 or later, against 54% across other cities on this site. ## How do you reach the people at advertising agencies in St. Louis? The people to talk to are usually agency owners, account and operations leaders. Build the list in three prompts to your AI agent. ### 1. Count them (free) Counting who matches never uses credits. ```text Use www.enrich.chat to count the advertising agencies in St. Louis, MO ``` ### 2. Find the people (5 credits per person) Name the roles you sell to. Each person returned is 5 credits, and name, title and company are included. ```text Use www.enrich.chat to find the agency owners, account and operations leaders at advertising agencies in St. Louis, MO, with their titles ``` ### 3. Get their work emails (10 credits each) An email is 10 credits only when one is found. Every email comes with a status: verified, catch-all or unknown. ```text Use www.enrich.chat to find the work emails for these people and tell me which ones are verified ``` ## More to explore Other industries in St. Louis: [Construction Companies](https://enrich.chat/companies-in/st-louis-mo/construction/)[Hospitals and Health Care Organizations](https://enrich.chat/companies-in/st-louis-mo/hospitals-and-health-care/)[Real Estate Companies](https://enrich.chat/companies-in/st-louis-mo/real-estate/)[IT Services Companies](https://enrich.chat/companies-in/st-louis-mo/it-services-and-it-consulting/)[Software Companies](https://enrich.chat/companies-in/st-louis-mo/software-development/)[Nonprofit Organizations](https://enrich.chat/companies-in/st-louis-mo/non-profit-organizations/)[Financial Services Companies](https://enrich.chat/companies-in/st-louis-mo/financial-services/)[Insurance Companies](https://enrich.chat/companies-in/st-louis-mo/insurance/)[Architecture Firms](https://enrich.chat/companies-in/st-louis-mo/architecture-and-planning/)[Manufacturers](https://enrich.chat/companies-in/st-louis-mo/manufacturing/)[Consulting Firms](https://enrich.chat/companies-in/st-louis-mo/business-consulting-and-services/)[Machinery Manufacturers](https://enrich.chat/companies-in/st-louis-mo/machinery-manufacturing/)[Wholesale Distributors](https://enrich.chat/companies-in/st-louis-mo/wholesale/)[Facilities Services Companies](https://enrich.chat/companies-in/st-louis-mo/facilities-services/)[All of St. Louis](https://enrich.chat/companies-in/st-louis-mo/) Advertising Agencies in other cities: [New York, NY](https://enrich.chat/companies-in/new-york-ny/advertising-services/)[Los Angeles, CA](https://enrich.chat/companies-in/los-angeles-ca/advertising-services/)[Miami, FL](https://enrich.chat/companies-in/miami-fl/advertising-services/)[Chicago, IL](https://enrich.chat/companies-in/chicago-il/advertising-services/)[Atlanta, GA](https://enrich.chat/companies-in/atlanta-ga/advertising-services/)[San Francisco, CA](https://enrich.chat/companies-in/san-francisco-ca/advertising-services/)[Austin, TX](https://enrich.chat/companies-in/austin-tx/advertising-services/)[Dallas, TX](https://enrich.chat/companies-in/dallas-tx/advertising-services/)[Houston, TX](https://enrich.chat/companies-in/houston-tx/advertising-services/)[San Diego, CA](https://enrich.chat/companies-in/san-diego-ca/advertising-services/) ## Frequently asked questions ### Which are the biggest advertising agencies in St. Louis? Among those counted, they include Creatives On Call, Abstrakt Marketing Group, Drive Social Media, Sapper Consulting and C4 Connections, ranked by headcount range. ### How big are advertising agencies in St. Louis? 75% of those counted have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. ### Which companies count as advertising services? Companies whose public profile lists Advertising Services as their industry and whose headquarters are in St. Louis, MO. ## Try this prompt Find the people at advertising agencies in St. Louis ```text Use www.enrich.chat to find the agency owners, account and operations leaders at advertising agencies in St. Louis, MO, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Construction Companies in St. Louis](https://enrich.chat/companies-in/st-louis-mo/construction/) - [Hospitals and Health Care Organizations in St. Louis](https://enrich.chat/companies-in/st-louis-mo/hospitals-and-health-care/) - [Real Estate Companies in St. Louis](https://enrich.chat/companies-in/st-louis-mo/real-estate/) - [IT Services Companies in St. Louis](https://enrich.chat/companies-in/st-louis-mo/it-services-and-it-consulting/) - [Advertising Agencies in New York](https://enrich.chat/companies-in/new-york-ny/advertising-services/) - [Advertising Agencies in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/advertising-services/) - [Advertising Agencies in Miami](https://enrich.chat/companies-in/miami-fl/advertising-services/) - [Advertising Agencies in Chicago](https://enrich.chat/companies-in/chicago-il/advertising-services/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)