Sonobi provides publishers with transparent, data-driven programmatic advertising solutions that maximize revenue through direct deals and advanced header bidding technology while reducing reliance on intermediaries.
Last updated Feb 8, 2026
Independent mid-tier SSP and header bidding provider focused on publisher monetization and transparency
Sonobi is an independent advertising technology company founded in 2011 that provides a programmatic advertising platform connecting publishers and advertisers. The company operates a header bidding platform and supply-side platform (SSP) that emphasizes transparency, direct deals, and data-driven optimization. Sonobi differentiates itself through its focus on providing publishers with greater control over their inventory and enabling more direct relationships between buyers and sellers, reducing intermediaries in the programmatic supply chain. The company's platform combines header bidding technology with advanced analytics and audience data capabilities to help publishers maximize revenue while giving advertisers access to premium inventory. Sonobi serves mid-to-large publishers and brands across various digital formats including display, video, and mobile advertising. As an independent player in the AdTech ecosystem, Sonobi positions itself as an alternative to the major walled gardens, emphasizing transparency and publisher-first solutions in an increasingly consolidated market.
Advanced header bidding solution that enables publishers to offer inventory to multiple demand sources simultaneously
Supply-side platform providing publishers with tools to manage and monetize their advertising inventory programmatically
Unified auction platform that consolidates demand from multiple sources into a single auction
Real-time reporting and analytics dashboard for publishers to optimize yield and performance