> 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/washington-dc/advertising-services/ # Advertising Agencies in Washington, DC The bigger advertising agencies headquartered in Washington, DC, 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 Washington, DC, the biggest by headcount range include Livingsocial, Spectrum Science and Optimal. They are mostly very small: 82% have 50 or fewer employees. ## Which advertising agencies are in Washington, DC? Among the companies whose public profile lists Advertising Services as their industry and Washington, DC as their headquarters, the biggest by headcount range include Livingsocial, Spectrum Science, Optimal, Missionwired and Wusa9 Advertising. Names link to a company profile where we have one. | Company | Employees | | --- | --- | | Livingsocial | 501 to 1,000 | | Spectrum Science | 201 to 500 | | Optimal | 201 to 500 | | Missionwired | 201 to 500 | | Wusa9 Advertising | 201 to 500 | | Linkedin Manager | 201 to 500 | | Blushark Digital | 51 to 200 | | Interactive Strategies | 51 to 200 | | Req, An Agital | 51 to 200 | | Digital Revamp, Marketing & Ads Agency | 51 to 200 | | Social Driver | 51 to 200 | | Nji | 51 to 200 | | Kglobal Now Rogerco | 51 to 200 | | Stratacomm | 51 to 200 | | [Ogilvy](https://enrich.chat/company/ogilvy/) | 51 to 200 | | Real Strategies | 51 to 200 | | Greater Good Strategy | 51 to 200 | | Zeus | 51 to 200 | | Globalboost | 51 to 200 | | Mobilize Interactive, A Cml Media | 51 to 200 | | Idigital Media Group | 51 to 200 | | Mother Of Peace | 51 to 200 | | Full Course Marketing Agency | 51 to 200 | | Oaaa | 11 to 50 | | Middle Seat | 11 to 50 | 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 Washington, DC do? Advertising Services is a broad label. The most common NAICS codes among them are 541613 (28%), 541810 (24%) and 517810 (7%). **Figure: What advertising agencies in Washington do.** Bars for the share of counted advertising agencies with each code: 541613 28%, 541810 24%, 517810 7%, 541890 7%, 323111 3%, 459999 3%, 518210 3%. *Share of counted advertising agencies in Washington 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 518210](https://enrich.chat/naics/518210/) ## How big are they? 82% of the advertising agencies counted in Washington, DC 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 Washington.** Seven columns for the share of counted advertising agencies in Washington in each employee range: 11 to 50 82%, 51 to 200 13%, 201 to 500 4%, 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 Washington in each employee range.* ## How old are they? Most were founded in the 2010s (58%), then the 2000s (21%). **Figure: When advertising agencies in Washington were founded.** Eight columns for the share of counted advertising agencies in Washington founded in each era: Before 1960 1%, 1960s 0%, 1970s 1%, 1980s 5%, 1990s 8%, 2000s 21%, 2010s 58%, 2020s 6%. *Share of counted advertising agencies in Washington by the era they were founded in, for the ones that list a founding year.* ## How advertising agencies compare - 82% of advertising agencies in Washington have 50 or fewer employees, against 71% across other cities on this site. - 64% were founded in 2010 or later, against 54% across other cities on this site. ## How do you reach the people at advertising agencies in Washington, DC? 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 Washington, DC ``` ### 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 Washington, DC, 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 Washington, DC: [Nonprofit Organizations](https://enrich.chat/companies-in/washington-dc/non-profit-organizations/)[Consulting Firms](https://enrich.chat/companies-in/washington-dc/business-consulting-and-services/)[IT Services Companies](https://enrich.chat/companies-in/washington-dc/it-services-and-it-consulting/)[Real Estate Companies](https://enrich.chat/companies-in/washington-dc/real-estate/)[Software Companies](https://enrich.chat/companies-in/washington-dc/software-development/)[Hospitals and Health Care Organizations](https://enrich.chat/companies-in/washington-dc/hospitals-and-health-care/)[Law Firms](https://enrich.chat/companies-in/washington-dc/law-practice/)[Financial Services Companies](https://enrich.chat/companies-in/washington-dc/financial-services/)[Construction Companies](https://enrich.chat/companies-in/washington-dc/construction/)[Public Relations Firms](https://enrich.chat/companies-in/washington-dc/public-relations-and-communications-services/)[Technology and Internet Companies](https://enrich.chat/companies-in/washington-dc/technology-information-and-internet/)[Legal Services Firms](https://enrich.chat/companies-in/washington-dc/legal-services/)[Education Organizations](https://enrich.chat/companies-in/washington-dc/education-administration-programs/)[Colleges and Universities](https://enrich.chat/companies-in/washington-dc/higher-education/)[Government Agencies](https://enrich.chat/companies-in/washington-dc/government-administration/)[Research Services Firms](https://enrich.chat/companies-in/washington-dc/research-services/)[Architecture Firms](https://enrich.chat/companies-in/washington-dc/architecture-and-planning/)[Environmental Services Companies](https://enrich.chat/companies-in/washington-dc/environmental-services/)[Training and Coaching Firms](https://enrich.chat/companies-in/washington-dc/professional-training-and-coaching/)[All of Washington, DC](https://enrich.chat/companies-in/washington-dc/) 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 Washington, DC? Among those counted, they include Livingsocial, Spectrum Science, Optimal, Missionwired and Wusa9 Advertising, ranked by headcount range. ### How big are advertising agencies in Washington, DC? 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 Washington, DC. ## Try this prompt Find the people at advertising agencies in Washington, DC ```text Use www.enrich.chat to find the agency owners, account and operations leaders at advertising agencies in Washington, DC, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Nonprofit Organizations in Washington, DC](https://enrich.chat/companies-in/washington-dc/non-profit-organizations/) - [Consulting Firms in Washington, DC](https://enrich.chat/companies-in/washington-dc/business-consulting-and-services/) - [IT Services Companies in Washington, DC](https://enrich.chat/companies-in/washington-dc/it-services-and-it-consulting/) - [Real Estate Companies in Washington, DC](https://enrich.chat/companies-in/washington-dc/real-estate/) - [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/)