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InfoSum

InfoSum

Acquired

Basingstoke, Hampshire, United Kingdom · Founded 2016

51-200 employees · N/A

Sourced & current · updated Oct 5, 20261 of 5 facts verifiedWebsite

InfoSum is the world's leading data collaboration platform, enabling privacy-safe and scalable solutions for brands, agencies, advertisers, and media owners to activate and monetize first-party data.

Where they sit

Stack tier: Ecosystem Services (A)

Identity ResolutionPrivacy TechnologyData Management Platform

Pioneer and leading provider of privacy-first data clean room and data collaboration technology, now operating under WPP to serve global enterprise advertisers and media owners

Ownership

Parent: WPP plc

Competitors

In their space

Pre-call brief from ATDb — sourced from the live database, current as of Oct 5, 2026. Not a static screenshot.