> 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/seattle-wa/advertising-services/ # Advertising Agencies in Seattle, WA The bigger advertising agencies headquartered in Seattle, WA, 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 Seattle, WA, the biggest by headcount range include Expedia Group Media Solutions, New Engen and Orca Pacific A Monks. They are mostly very small: 85% have 50 or fewer employees. ## Which advertising agencies are in Seattle? Among the companies whose public profile lists Advertising Services as their industry and Seattle, WA as their headquarters, the biggest by headcount range include Expedia Group Media Solutions, New Engen, Orca Pacific A Monks, Outboundengine and Smps Seattle. Names link to a company profile where we have one. | Company | Employees | | --- | --- | | Expedia Group Media Solutions | 10,001+ | | New Engen | 201 to 500 | | Orca Pacific A Monks | 201 to 500 | | Outboundengine | 201 to 500 | | Smps Seattle | 201 to 500 | | Emplicit | 51 to 200 | | Audienz Now The Channel | 51 to 200 | | Add3 | 51 to 200 | | Copacino Fujikado | 51 to 200 | | Whatcounts | 51 to 200 | | Kotis Design | 51 to 200 | | Over The Top Seo | 51 to 200 | | The Agency At Dcg One | 51 to 200 | | Prr | 51 to 200 | | Catalysis | 51 to 200 | | Shaw Scott | 51 to 200 | | Iclick | 51 to 200 | | Genzio Media | 51 to 200 | | Growth Stack | 51 to 200 | | Hl2 | 51 to 200 | | Saltmine | 51 to 200 | | Infoglobaldata - Mailing List | 51 to 200 | | Seattle Search Network | 51 to 200 | | Clearpath Marketing Group | 51 to 200 | | Zany Marketing & Solutions | 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 Seattle do? Advertising Services is a broad label. The most common NAICS codes among them are 541613 (29%), 541810 (17%) and 541820 (9%). **Figure: What advertising agencies in Seattle do.** Bars for the share of counted advertising agencies with each code: 541613 29%, 541810 17%, 541820 9%, 517810 6%. *Share of counted advertising agencies in Seattle by their NAICS code.* [NAICS 541613](https://enrich.chat/naics/541613/)[NAICS 541810](https://enrich.chat/naics/541810/)[NAICS 541820](https://enrich.chat/naics/541820/)[NAICS 517810](https://enrich.chat/naics/517810/) ## How big are they? 85% of the advertising agencies counted in Seattle 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 Seattle.** Seven columns for the share of counted advertising agencies in Seattle in each employee range: 11 to 50 85%, 51 to 200 12%, 201 to 500 2%, 501 to 1,000 0%, 1,001 to 5,000 0%, 5,001 to 10,000 0%, 10,001+ 1%. *Share of counted advertising agencies in Seattle in each employee range.* ## How old are they? Most were founded in the 2010s (50%), then the 2000s (26%). **Figure: When advertising agencies in Seattle were founded.** Eight columns for the share of counted advertising agencies in Seattle founded in each era: Before 1960 1%, 1960s 1%, 1970s 2%, 1980s 5%, 1990s 9%, 2000s 26%, 2010s 50%, 2020s 6%. *Share of counted advertising agencies in Seattle by the era they were founded in, for the ones that list a founding year.* ## How advertising agencies compare - 85% of advertising agencies in Seattle have 50 or fewer employees, against 71% across other cities on this site. ## How do you reach the people at advertising agencies in Seattle? 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 Seattle, WA ``` ### 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 Seattle, WA, 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 Seattle: [Software Companies](https://enrich.chat/companies-in/seattle-wa/software-development/)[Construction Companies](https://enrich.chat/companies-in/seattle-wa/construction/)[Real Estate Companies](https://enrich.chat/companies-in/seattle-wa/real-estate/)[IT Services Companies](https://enrich.chat/companies-in/seattle-wa/it-services-and-it-consulting/)[Nonprofit Organizations](https://enrich.chat/companies-in/seattle-wa/non-profit-organizations/)[Technology and Internet Companies](https://enrich.chat/companies-in/seattle-wa/technology-information-and-internet/)[Consulting Firms](https://enrich.chat/companies-in/seattle-wa/business-consulting-and-services/)[Hospitals and Health Care Organizations](https://enrich.chat/companies-in/seattle-wa/hospitals-and-health-care/)[Financial Services Companies](https://enrich.chat/companies-in/seattle-wa/financial-services/)[Architecture Firms](https://enrich.chat/companies-in/seattle-wa/architecture-and-planning/)[Law Firms](https://enrich.chat/companies-in/seattle-wa/law-practice/)[Legal Services Firms](https://enrich.chat/companies-in/seattle-wa/legal-services/)[Design Firms](https://enrich.chat/companies-in/seattle-wa/design-services/)[Education Organizations](https://enrich.chat/companies-in/seattle-wa/education-administration-programs/)[Food and Beverage Manufacturers](https://enrich.chat/companies-in/seattle-wa/food-and-beverage-manufacturing/)[Facilities Services Companies](https://enrich.chat/companies-in/seattle-wa/facilities-services/)[Colleges and Universities](https://enrich.chat/companies-in/seattle-wa/higher-education/)[Research Services Firms](https://enrich.chat/companies-in/seattle-wa/research-services/)[All of Seattle](https://enrich.chat/companies-in/seattle-wa/) 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 Seattle? Among those counted, they include Expedia Group Media Solutions, New Engen, Orca Pacific A Monks, Outboundengine and Smps Seattle, ranked by headcount range. ### How big are advertising agencies in Seattle? 85% 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 Seattle, WA. ## Try this prompt Find the people at advertising agencies in Seattle ```text Use www.enrich.chat to find the agency owners, account and operations leaders at advertising agencies in Seattle, WA, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Software Companies in Seattle](https://enrich.chat/companies-in/seattle-wa/software-development/) - [Construction Companies in Seattle](https://enrich.chat/companies-in/seattle-wa/construction/) - [Real Estate Companies in Seattle](https://enrich.chat/companies-in/seattle-wa/real-estate/) - [IT Services Companies in Seattle](https://enrich.chat/companies-in/seattle-wa/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/)