Donovan Data Systems

Rebranded

New York, New York, United States · Founded 1967

201-500 employees

Sourced & current · updated Jun 23, 2026

Founding predecessor of Mediaocean (DDS, founded 1967). Merged with MediaBank March 2012 to form Mediaocean.

Where they sit

Stack tier: Marketing Technology (C)

Marketing TechnologyMarketing Platform

Dominant legacy provider of media buying and billing software for large advertising agencies, effectively holding a near-duopoly position alongside MediaBank prior to their merger

Ownership

Parent: Mediaocean