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§ Private Profile · St Clement House 3 Alencon Link, Basingstoke, Hampshire, RG21 7SB, United Kingdom
Data collaboration platform operating secure data clean rooms for real-time analysis and matching, serving enterprises across industries.
InfoSum is a data collaboration platform based in Basingstoke, Hampshire, United Kingdom, which utilizes privacy-enhancing technology to enable secure analysis and matching of multiple datasets without direct sharing or movement. The company operates secure data clean rooms, allowing enterprises across financial services, retail media, and advertising to extract valuable insights while maintaining stringent data security and compliance. InfoSum raised $93.21 million in funding to develop its B2B SaaS platform, serving a global community of identity architects and security-oriented enterprises. In April 2025, InfoSum was acquired by GroupM, a global media investment company. The platform, which also maintains offices in London, New York, and Hamburg, was founded in 2015 by Nick Halstead. Its business model centers on B2B SaaS platform providing data collaboration and privacy analytics services to enterprise customers across various sectors.
InfoSum has raised $88.0M across 4 funding rounds.
InfoSum has raised $88.0M in total across 4 funding rounds.
InfoSum has raised $88.0M in total across 4 funding rounds.
InfoSum's investors include Richard Watts, Upfront Ventures, IA Ventures, Animo Ventures, FJ Labs, Innovation Works, Lightspeed Venture Partners, Tribeca Venture Partners, Ulu Ventures, Akamai Technologies, Ascential, AT&T.
InfoSum has raised $88.0M across 4 funding rounds. Most recently, it raised $65.0M Series B in August 2021.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Aug 17, 2021 | $65M Series B | Richard Watts | — | Announced |
| Aug 1, 2020 | $15M Series A | Upfront Ventures, IA Ventures | Animo Ventures, FJ Labs, Innovation Works, Lightspeed Venture Partners, Tribeca Venture Partners, ULU Ventures, Akamai Technologies, Ascential, AT&T, Experian, ITV, Brian Lesser | Announced |
| Sep 1, 2017 | $5M Seed | — | Animo Ventures, Chalfen Ventures, FJ Labs, Innovation Works, Kluz Ventures, Lightspeed Venture Partners, Lool Ventures, Serena Capital, Tribeca Venture Partners, ULU Ventures, Upfront Ventures, Vertex Ventures Israel, Zinc, Josh Silverman, Saul Klein, Mike Chalfen | Announced |
| Feb 1, 2016 | $3M Seed | Upfront Ventures, Roger Ehrenberg | Animo Ventures, FJ Labs, Innovation Works, Lightspeed Venture Partners, Tribeca Venture Partners, ULU Ventures | Announced |
InfoSum is a privacy-first data collaboration company that provides a decentralized “data clean room” platform enabling organizations to connect and activate first‑party customer data across companies and clouds without actually moving or sharing raw data[3][7].
High-Level Overview
InfoSum builds a privacy-preserving data collaboration platform (often called a secure data clean room) that lets companies match, analyze, and activate customer datasets while keeping each party’s underlying data in place and inaccessible to others[3][6]. The product is used by enterprises across sectors including retail, financial services, CTV/media, healthcare, gaming, and travel to improve targeting, measurement, and data monetization while meeting privacy and regulatory requirements[3][1]. Since commercial launch of its platform in 2019, InfoSum has positioned itself as a solution for organizations seeking to retain data utility as third‑party cookies and permissive data sharing decline[3][1].
Origin Story
InfoSum was founded in 2015 with a stated vision to “connect the world’s data without ever sharing it,” and subsequently launched its decentralized data collaboration platform commercially in 2019[3][1]. The company developed patented technology around the “non‑movement of data,” which underpins its approach of matching and computing across datasets without centralizing raw records[1][3]. Early traction came from security‑ and privacy‑oriented enterprises adopting the platform for cross‑organization collaborations and from expanding international offices in London, New York, and Hamburg as the product matured[3][1].
Core Differentiators
Role in the Broader Tech Landscape
InfoSum is riding the privacy and first‑party data trends created by regulatory changes and the deprecation of third‑party cookies; demand for privacy‑enhancing technologies (PETs) and clean rooms has risen as businesses seek ways to collaborate on customer data without violating privacy or moving sensitive records[3][6]. Market forces favor solutions that can interoperate across cloud providers and advertising ecosystems while delivering measurable match rates and activation pathways[7]. By enabling cross‑company collaborations that keep data in place, InfoSum influences how advertisers, publishers, and data owners negotiate data partnerships and build identity architectures in a post‑cookie world[3][7].
Quick Take & Future Outlook
InfoSum is well positioned to benefit from continued adoption of privacy‑enhancing data collaboration: growth drivers include strengthening partnerships across ad tech and cloud providers, rising demand from retail and media for privacy‑safe measurement, and enterprise caution around centralized data lakes[7][6]. Future challenges and opportunities will hinge on (a) expanding integrations and standardized workflows with major cloud and ad platforms, (b) maintaining technical and legal assurances that satisfy regulators and enterprise security teams, and (c) demonstrating clear ROI for marketing measurement and data monetization use cases[3][6]. If InfoSum continues to scale its network of partners and customers while evolving features for activation and measurement, it could become a core infrastructure layer for privacy‑first identity and data collaboration—fulfilling its founding hook of connecting data without sharing it[3][1].