> 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/los-angeles-ca/advertising-services/ # Advertising Agencies in Los Angeles, CA The bigger advertising agencies headquartered in Los Angeles, CA, 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 Los Angeles, CA, the biggest by headcount range include Bamko, Centerfield and Meetsocial. They are mostly very small: 82% have 50 or fewer employees. ## Which advertising agencies are in Los Angeles? Among the companies whose public profile lists Advertising Services as their industry and Los Angeles, CA as their headquarters, the biggest by headcount range include Bamko, Centerfield, Meetsocial, Tbwa Media Arts Lab and Trailer Park Group. Names link to a company profile where we have one. | Company | Employees | | --- | --- | | Bamko | 1,001 to 5,000 | | Centerfield | 1,001 to 5,000 | | Meetsocial | 1,001 to 5,000 | | Tbwa Media Arts Lab | 501 to 1,000 | | Trailer Park Group | 501 to 1,000 | | Mgid | 501 to 1,000 | | Residence | 501 to 1,000 | | Acceleration Community Of Companies Acc | 501 to 1,000 | | Target Media Partners | 501 to 1,000 | | Deutsch | 201 to 500 | | Ayzenberg | 201 to 500 | | Deutsch La | 201 to 500 | | Canvas Worldwide | 201 to 500 | | Team One | 201 to 500 | | Allied Global Marketing | 201 to 500 | | Mocean | 201 to 500 | | Tubescience | 201 to 500 | | Coalition Technologies | 201 to 500 | | Nadel | 201 to 500 | | Videoamp | 201 to 500 | | Unruly Agency | 201 to 500 | | Leads Global Solutions | 201 to 500 | | Hvac Yellow Pages | 201 to 500 | | Contact Marketers | 201 to 500 | | Brand Innovators | 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 Los Angeles do? Advertising Services is a broad label. The most common NAICS codes among them are 541613 (21%), 541810 (21%) and 517810 (10%). **Figure: What advertising agencies in Los Angeles do.** Bars for the share of counted advertising agencies with each code: 541613 21%, 541810 21%, 517810 10%, 541511 5%, 541430 3%, 541840 3%. *Share of counted advertising agencies in Los Angeles by their NAICS code.* [NAICS 541613](https://enrich.chat/naics/541613/)[NAICS 541810](https://enrich.chat/naics/541810/)[NAICS 517810](https://enrich.chat/naics/517810/)[NAICS 541511](https://enrich.chat/naics/541511/)[NAICS 541430](https://enrich.chat/naics/541430/)[NAICS 541840](https://enrich.chat/naics/541840/) ## How big are they? 82% of the advertising agencies counted in Los Angeles 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 Los Angeles.** Seven columns for the share of counted advertising agencies in Los Angeles in each employee range: 11 to 50 82%, 51 to 200 15%, 201 to 500 2%, 501 to 1,000 1%, 1,001 to 5,000 0%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted advertising agencies in Los Angeles in each employee range.* ## How old are they? Most were founded in the 2010s (54%), then the 2000s (21%). **Figure: When advertising agencies in Los Angeles were founded.** Eight columns for the share of counted advertising agencies in Los Angeles founded in each era: Before 1960 0%, 1960s 0%, 1970s 1%, 1980s 3%, 1990s 6%, 2000s 21%, 2010s 54%, 2020s 16%. *Share of counted advertising agencies in Los Angeles by the era they were founded in, for the ones that list a founding year.* ## How advertising agencies compare - 82% of advertising agencies in Los Angeles have 50 or fewer employees, against 71% across other cities on this site. - 70% were founded in 2010 or later, against 54% across other cities on this site. ## How do you reach the people at advertising agencies in Los Angeles? 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 Los Angeles, CA ``` ### 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 Los Angeles, CA, 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 Los Angeles: [Software Companies](https://enrich.chat/companies-in/los-angeles-ca/software-development/)[Real Estate Companies](https://enrich.chat/companies-in/los-angeles-ca/real-estate/)[Technology and Internet Companies](https://enrich.chat/companies-in/los-angeles-ca/technology-information-and-internet/)[Construction Companies](https://enrich.chat/companies-in/los-angeles-ca/construction/)[IT Services Companies](https://enrich.chat/companies-in/los-angeles-ca/it-services-and-it-consulting/)[Hospitals and Health Care Organizations](https://enrich.chat/companies-in/los-angeles-ca/hospitals-and-health-care/)[Financial Services Companies](https://enrich.chat/companies-in/los-angeles-ca/financial-services/)[Consulting Firms](https://enrich.chat/companies-in/los-angeles-ca/business-consulting-and-services/)[Nonprofit Organizations](https://enrich.chat/companies-in/los-angeles-ca/non-profit-organizations/)[Law Firms](https://enrich.chat/companies-in/los-angeles-ca/law-practice/)[Marketing Agencies](https://enrich.chat/companies-in/los-angeles-ca/marketing-services/)[Manufacturers](https://enrich.chat/companies-in/los-angeles-ca/manufacturing/)[Wholesale Distributors](https://enrich.chat/companies-in/los-angeles-ca/wholesale/)[Design Firms](https://enrich.chat/companies-in/los-angeles-ca/design-services/)[Legal Services Firms](https://enrich.chat/companies-in/los-angeles-ca/legal-services/)[Architecture Firms](https://enrich.chat/companies-in/los-angeles-ca/architecture-and-planning/)[Colleges and Universities](https://enrich.chat/companies-in/los-angeles-ca/higher-education/)[Staffing and Recruiting Firms](https://enrich.chat/companies-in/los-angeles-ca/staffing-and-recruiting/)[Education Organizations](https://enrich.chat/companies-in/los-angeles-ca/education-administration-programs/)[All of Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/) Advertising Agencies in other cities: [New York, NY](https://enrich.chat/companies-in/new-york-ny/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/)[Denver, CO](https://enrich.chat/companies-in/denver-co/advertising-services/) ## Frequently asked questions ### Which are the biggest advertising agencies in Los Angeles? Among those counted, they include Bamko, Centerfield, Meetsocial, Tbwa Media Arts Lab and Trailer Park Group, ranked by headcount range. ### How big are advertising agencies in Los Angeles? 82% 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 Los Angeles, CA. ## Try this prompt Find the people at advertising agencies in Los Angeles ```text Use www.enrich.chat to find the agency owners, account and operations leaders at advertising agencies in Los Angeles, CA, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Software Companies in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/software-development/) - [Real Estate Companies in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/real-estate/) - [Technology and Internet Companies in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/technology-information-and-internet/) - [Construction Companies in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/construction/) - [Advertising Agencies in New York](https://enrich.chat/companies-in/new-york-ny/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/) - [Advertising Agencies in Atlanta](https://enrich.chat/companies-in/atlanta-ga/advertising-services/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)