InfoSum

A leading independent data clean room and privacy-safe data collaboration platform, positioned as a neutral infrastructure provider for enterprise data partnerships

InfoSum is a leading data collaboration platform built on a patented 'non-movement of data' architecture, enabling organizations to connect their first-party data with partners, publishers, and platforms without the data ever leaving their own infrastructure. Founded in 2016 by Brian Lesser and a team of data scientists, InfoSum uses federated learning and privacy-enhancing technologies (PETs) to allow brands, agencies, media owners, and data providers to perform joint analysis and audience matching across siloed datasets in a fully privacy-compliant manner. The platform is particularly significant in the post-cookie, privacy-first advertising landscape, where brands and media companies need to collaborate on data without violating consumer privacy regulations such as GDPR and CCPA. InfoSum's 'Bunker' technology creates a secure, decentralized environment where data never moves, meaning no raw data is ever exposed to third parties. This approach has attracted major clients across retail media, financial services, broadcasting, and advertising, including partnerships with companies like Sky, Publicis, and various major retailers. InfoSum occupies a strong position in the emerging clean room and data collaboration space, competing with solutions like LiveRamp Clean Room, Habu, and Snowflake's data clean room offerings. The company has raised significant venture funding and has expanded its operations globally, with a presence in the US, UK, and Europe. Its technology is increasingly seen as a foundational infrastructure layer for the future of privacy-safe data collaboration in advertising and beyond.