Mediaocean (formerly Donovan Data Systems)
Software DevelopmentNew York, United States51-200 Employees
Mediaocean is a mid-sized software company based in New York that serves the advertising industry. It provides a global platform for managing the full advertising workflow—from planning and buying to analysis, optimization, invoicing, and payments. The company also operates an open platform called Connect that links media suppliers, data providers, ad servers and other third-party technologies, enabling agencies to build integrated solutions. Mediaocean targets advertising agencies and brands seeking to coordinate cross-channel campaigns and data while standardizing operations through a central hub. Based in New York, the company has pursued partnerships and product expansions, including a 2026 integration with Disney Advertising Sales to enable direct transactions across Disney's connected TV.