The core activity of the company '15countries' is a Digital Media Agency specializing in Performance Marketing. The main activities include: Digital Media Agency with a focus on Performance Marketing, Lead Generation and Reactivation, Sales of Affiliation and Cash-Back Programs, Creation of Custom Audiences for Google Ads and Facebook Ads, Performance RTB Prospecting and CPC RTB, and Campaign Management in various countries (15 countries). The company works with an exclusive network of publishers and direct clients to create and manage digital marketing campaigns. The core activity can be summarized as 'Digital Performance Marketing'.