RTB House
Deep learning-powered demand-side platform (DSP) for retargeting and performance advertising, sold to e-commerce brands and advertisers worldwide.
RTB House develops a proprietary ad-buying DSP driven by deep learning algorithms. Its products include personalized retargeting, dynamic display, video and in-app campaigns, and first-party-data audience tools. It serves brands and e-commerce advertisers in 90+ markets from 30+ offices, and in 2026 it launched rtb.com, a self-serve retargeting platform for small and midsize ecommerce brands. It earns revenue from advertiser spend on its platform. Wikipedia reports revenue of about €409M in 2022, and Polish business data shows net sales up 18% in 2025. The company is private, founded in Warsaw in 2012, with more than 1,500 employees.