> 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/san-jose-ca/advertising-services/ # Advertising Agencies in San Jose, CA The bigger advertising agencies headquartered in San Jose, 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 San Jose, CA, the biggest by headcount range include Unboundb2b, Tangence and Level. They are mostly very small: 75% have 50 or fewer employees. ## Which advertising agencies are in San Jose? Among the companies whose public profile lists Advertising Services as their industry and San Jose, CA as their headquarters, the biggest by headcount range include Unboundb2b, Tangence, Level, Appsclicks and Tapclicks. Names link to a company profile where we have one. | Company | Employees | | --- | --- | | Unboundb2b | 201 to 500 | | Tangence | 201 to 500 | | Level | 51 to 200 | | Appsclicks | 51 to 200 | | Tapclicks | 51 to 200 | | Feedmob | 51 to 200 | | Baytech Digital | 51 to 200 | | Brandvia - Powered By Halo | 51 to 200 | | The Argonaut Us | 51 to 200 | | Jetaa7 Global | 51 to 200 | | Resultfirst | 51 to 200 | | The Stephenz Group | 51 to 200 | | Harding Marketing Communications | 51 to 200 | | Pipeline | 51 to 200 | | Pizza Antica | 51 to 200 | | Digi Skynet | 51 to 200 | | E-Biz Solutions | 51 to 200 | | Hrmodelbook | 51 to 200 | | Marketingmodelbook | 51 to 200 | | Financemodelbook | 51 to 200 | | Artmetrics | 51 to 200 | | Healthcaremodelbook | 51 to 200 | | Serveit Data | 51 to 200 | | Primetime Analytics | 51 to 200 | | Vedanthi Ventures | 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 San Jose do? Advertising Services is a broad label. The most common NAICS codes among them are 541511 (13%), 541512 (13%) and 541613 (13%). **Figure: What advertising agencies in San Jose do.** Bars for the share of counted advertising agencies with each code: 541511 13%, 541512 13%, 541613 13%, 334418 7%, 339950 7%, 457120 7%, 517810 7%. *Share of counted advertising agencies in San Jose by their NAICS code.* [NAICS 541511](https://enrich.chat/naics/541511/)[NAICS 541512](https://enrich.chat/naics/541512/)[NAICS 541613](https://enrich.chat/naics/541613/)[NAICS 334418](https://enrich.chat/naics/334418/)[NAICS 339950](https://enrich.chat/naics/339950/)[NAICS 517810](https://enrich.chat/naics/517810/) ## How big are they? 75% of the advertising agencies counted in San Jose 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 San Jose.** Seven columns for the share of counted advertising agencies in San Jose in each employee range: 11 to 50 75%, 51 to 200 23%, 201 to 500 2%, 501 to 1,000 0%, 1,001 to 5,000 0%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted advertising agencies in San Jose in each employee range.* ## How old are they? Most were founded in the 2010s (51%), then the 2000s (19%). **Figure: When advertising agencies in San Jose were founded.** Eight columns for the share of counted advertising agencies in San Jose founded in each era: Before 1960 1%, 1960s 0%, 1970s 4%, 1980s 10%, 1990s 11%, 2000s 19%, 2010s 51%, 2020s 5%. *Share of counted advertising agencies in San Jose by the era they were founded in, for the ones that list a founding year.* ## How do you reach the people at advertising agencies in San Jose? 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 San Jose, 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 San Jose, 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 San Jose: [Software Companies](https://enrich.chat/companies-in/san-jose-ca/software-development/)[Construction Companies](https://enrich.chat/companies-in/san-jose-ca/construction/)[IT Services Companies](https://enrich.chat/companies-in/san-jose-ca/it-services-and-it-consulting/)[Technology and Internet Companies](https://enrich.chat/companies-in/san-jose-ca/technology-information-and-internet/)[Real Estate Companies](https://enrich.chat/companies-in/san-jose-ca/real-estate/)[Semiconductor Companies](https://enrich.chat/companies-in/san-jose-ca/semiconductor-manufacturing/)[Electrical and Electronics Manufacturers](https://enrich.chat/companies-in/san-jose-ca/appliances-electrical-and-electronics-manufacturing/)[Financial Services Companies](https://enrich.chat/companies-in/san-jose-ca/financial-services/)[Nonprofit Organizations](https://enrich.chat/companies-in/san-jose-ca/non-profit-organizations/)[Hospitals and Health Care Organizations](https://enrich.chat/companies-in/san-jose-ca/hospitals-and-health-care/)[Facilities Services Companies](https://enrich.chat/companies-in/san-jose-ca/facilities-services/)[Staffing and Recruiting Firms](https://enrich.chat/companies-in/san-jose-ca/staffing-and-recruiting/)[Telecommunications Companies](https://enrich.chat/companies-in/san-jose-ca/telecommunications/)[Consulting Firms](https://enrich.chat/companies-in/san-jose-ca/business-consulting-and-services/)[Medical Device Companies](https://enrich.chat/companies-in/san-jose-ca/medical-equipment-manufacturing/)[Cybersecurity Companies](https://enrich.chat/companies-in/san-jose-ca/computer-and-network-security/)[All of San Jose](https://enrich.chat/companies-in/san-jose-ca/) 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 San Jose? Among those counted, they include Unboundb2b, Tangence, Level, Appsclicks and Tapclicks, ranked by headcount range. ### How big are advertising agencies in San Jose? 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 San Jose, CA. ## Try this prompt Find the people at advertising agencies in San Jose ```text Use www.enrich.chat to find the agency owners, account and operations leaders at advertising agencies in San Jose, CA, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Software Companies in San Jose](https://enrich.chat/companies-in/san-jose-ca/software-development/) - [Construction Companies in San Jose](https://enrich.chat/companies-in/san-jose-ca/construction/) - [IT Services Companies in San Jose](https://enrich.chat/companies-in/san-jose-ca/it-services-and-it-consulting/) - [Technology and Internet Companies in San Jose](https://enrich.chat/companies-in/san-jose-ca/technology-information-and-internet/) - [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/)