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InfoSum was acquired by WPP plc (Apr 2025)— See the full lineage →
InfoSum

InfoSum

Data Collaborationinfosum.com

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.

Last updated Oct 5, 2026 by the ATDb Editorial Team

Founded
2016
HQ
Basingstoke, Hampshire, United Kingdom
Parent
WPP plc
Connections
46

AI-drafted from public sources11 sources cited

At a glance

Employees
51-200
Funding
$65M
Revenue
$10M-$50M
Stock
N/A
22integrations8competitors1corporate family1acquisitions
Identity ResolutionPrivacy TechnologyData Management Platform

About

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

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. Its offerings span audience intelligence, campaign planning and audience profiling, identity bridging, and data-driven measurement at scale, with integrations across partners in retail, connected TV, and digital advertising. InfoSum's capabilities extend into commerce media strategy, supporting clients in network selection, channel integration, and optimization techniques for maximum impact. The platform has raised $65 million in a Series B funding round to build the next generation of data collaboration. Source 1: infosum.com — Press Releases Source 2: infosum.com — EMARKETER Summit: Commerce Media Activations

Business model

SaaS

Target market

Enterprise

What they offer

  • InfoSum Platform

    Core data collaboration platform enabling secure, privacy-safe data matching and analysis across organizational boundaries without data movement.

  • Data Clean Room

    A federated clean room environment allowing brands, publishers, and partners to run queries and gain insights across combined datasets without sharing raw data.

  • Audience Discovery

    Tools for identifying and analyzing overlapping audiences between data partners to inform targeting and media planning strategies.

  • Identity Resolution

    Privacy-safe identity matching capabilities that connect disparate datasets using pseudonymous or hashed identifiers.

  • Measurement & Attribution

    Cross-partner measurement solutions that enable campaign performance analysis without exposing individual-level data.

  • Data Monetization

    Enables data owners such as retailers and publishers to offer data collaboration opportunities to advertisers without relinquishing data control.

Key features

Non-movement of data architecture — raw data never leaves the owner's environmentFederated learning and decentralized computationPrivacy-enhancing technologies (PETs) including differential privacyGDPR and CCPA compliant by designReal-time audience overlap and insightsSupport for pseudonymous and hashed identity matchingMulti-party data collaboration across brands, publishers, and platformsAPI-first integration capabilities

Use cases

Privacy-safe audience matching between brands and publishersRetail media data collaboration between retailers and CPG brandsCross-channel campaign measurement and attributionFirst-party data monetization for media ownersIdentity resolution without third-party cookiesLookalike audience modeling across partner datasetsData due diligence and overlap analysis prior to partnerships

Customer segments

Global brands and advertisersMedia owners and publishersRetail media networksData providers and data brokersAdvertising agenciesStreaming and connected TV platforms

Tech & specs

Technology stack

Federated learningDifferential privacySecure multi-party computation (SMPC)Decentralized data infrastructureRESTful APIsCloud-native architecture

Security & compliance

GDPRCCPASOC 2ISO 27001Privacy by Design

Deployment

CloudHybrid

API

Yes

Explore further

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On the AtlasIdentity & DataOn the Holdco MapWPP plcRecent M&Aon the TimelineOn the Mapby country + regionOn the GraphNetwork around InfoSum