The core activity of Golden Smile Dark Heart (GSDH) is the creation and implementation of digital marketing campaigns, including: web design and development, app development, social media marketing, digital marketing campaigns, online games, Facebook apps, mobile development, logo and brand development, search engine marketing (SEM), website analytics, and customer relationship management (CRM). The company positions itself as a full-service digital agency, supporting companies worldwide in the development and implementation of their digital marketing strategies.