Founded in 2004 in Manchester, United Kingdom, Endeavour Global runs face-to-face event promotions and brand ambassador sales for national and international clients from a Fifth Avenue office inside the @theHq coworking space in Hillcrest. The San Diego team coordinates booth activations at malls, markets, and branded events, a direct-sales field model distinct from the digital campaign work at This Is Media on the same corridor. Offices now span eleven cities across three countries, with dual U.S. headquarters in New York and San Diego feeding regional ambassador teams. Client growth is measured through new customer acquisitions rather than impressions or CPM, putting the agency in the same performance-first bracket that Trifecta Marketing Solutions operates in. Training and development of entry-level sales representatives is a core internal function, with ambassadors promoted into territory management roles over 12 to 24 months. National rollouts for event-based customer acquisition campaigns across multiple U.S. markets represent the agency's most complex engagements.