Viant Technology Inc. is an advertising technology company specializing in AI-powered programmatic advertising solutions. It operates a cloud-based demand-side platform (DSP) that enables marketers and agencies to plan, buy, and measure advertising campaigns across multiple channels, including connected TV (CTV), streaming audio, mobile, desktop, and digital out-of-home. Key offerings include ViantAI, an artificial intelligence suite for advanced targeting and optimization; Household ID, which normalizes digital and personal identifiers into unified household profiles; IRIS_ID, a content identifier facilitating video-level data sharing for planning, targeting, and measurement in ad-supported streaming; and the Viant Data Platform, integrating first-party and third-party data for insights, reporting, and attribution. Additional features encompass Direct Access for premium inventory optimization, advanced reporting with conversion lift and ROAS analytics, and flexible customer engagement models providing transparency and control. Viant Technology Inc. supports omnichannel campaigns through integrations with partners like Magnite, Tubi, Wurl, and LG Ad Solutions, focusing on CTV addressability and performance. Founded in 2015 and headquartered in Irvine, California, it plays a pivotal role in the evolving digital advertising ecosystem.