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Sonobi

New York, New York, United States · Founded 2011

51-200 employees · $26M

Sourced & current · updated May 11, 20260 of 3 facts verifiedWebsite

Sonobi is an independent advertising technology company that provides a sophisticated, data-driven platform for publishers and advertisers. Their platform focuses on improving the efficiency and effectiveness of programmatic advertising through advanced analytics, audience segmentation, and direct deal execution. They aim to connect buyers and sellers of digital advertising inventory more directly and transparently.

Where they sit

Stack tier: Infrastructure & Data (B)

Supply Side Platform (SSP)Programmatic Platform

Independent mid-tier SSP and header bidding provider focused on publisher monetization and transparency

Competitors

Key people

Pre-call brief from ATDb — sourced from the live database, current as of May 11, 2026. Not a static screenshot.