Xaxis delivers outcome-based programmatic advertising at scale by combining GroupM's data assets, proprietary technology, and global media buying power to drive measurable business results for advertisers.
Last updated Mar 8, 2026 by AI Enrichment
Leading programmatic media specialist within the world's largest media investment group
Xaxis operates as GroupM's programmatic media and technology platform, serving as the outcome media specialist within WPP's media investment group. The company provides programmatic advertising services that combine advanced data analytics, machine learning, and media buying expertise to deliver measurable business outcomes for advertisers. Xaxis leverages GroupM's scale and data assets to execute programmatic campaigns across display, video, mobile, connected TV, and other digital channels. As a subsidiary of GroupM, Xaxis functions as both a trading desk and technology platform, offering programmatic capabilities to GroupM agencies (including Mindshare, MediaCom, Wavemaker, and EssenceMediacom) while also serving direct clients. The platform emphasizes outcome-based media buying, focusing on business results rather than traditional media metrics, and utilizes proprietary technology and algorithms to optimize campaign performance in real-time. Xaxis maintains a significant global presence with operations across North America, Europe, Asia-Pacific, and Latin America. The company has evolved from its origins as a pure-play programmatic trading desk to become an integrated programmatic solution provider, adapting to changes in the digital advertising ecosystem including privacy regulations, cookie deprecation, and the shift toward first-party data strategies.
Proprietary platform for executing programmatic media buys across display, video, mobile, and connected TV
Data-driven audience targeting and segmentation leveraging GroupM's data assets and third-party partnerships
Performance-focused media buying optimized toward business outcomes rather than traditional media metrics
Dynamic creative optimization and testing capabilities for programmatic campaigns