Unlimitail Chooses Snowflake to Power Privacy-Preserving Retail Media Across Europe and Latin America

Key Terms

retail media technical

Retail media is the practice of retailers selling advertising space and promotional placements on their websites, apps, in-store screens and checkout areas, using their customer shopping data to target ads. It matters to investors because it creates a high-margin, recurring revenue stream for retailers—like a grocery store renting its endcap for featured products—and can boost profit and valuation by turning customer traffic into advertising sales.

data clean rooms technical

A data clean room is a secure environment where different organizations can combine and analyze their customer or transaction data without exposing raw personal information to each other. Think of it as a locked meeting room where each side brings sealed documents and only allowed summaries or matched results are shared; this lets companies measure marketing, target ads, or verify results while reducing privacy and regulatory risks. Investors care because clean rooms can enable revenue-driving partnerships, improve measurement accuracy, and limit legal or reputational exposure from mishandled data.

first-party data technical

First-party data is information a company collects directly from its own customers and users through interactions like purchases, website visits, app usage, subscriptions, or surveys. For investors it matters because this data is exclusive, typically more accurate and cost-effective than third-party sources, and helps the company target customers, predict sales, improve products, and comply with privacy rules — like a store’s loyalty list versus a bought mailing list.

zero-copy architecture technical

Zero-copy architecture is a software and system design that moves or shares data without making extra copies in memory, so information flows directly from source to destination like passing a sealed box across a table instead of unpacking and repacking its contents. For investors, it matters because lower overhead means faster processing, reduced CPU usage and lower network latency, which can cut infrastructure costs and improve the performance of data‑heavy applications such as trading platforms, analytics, or cloud services.

ai data cloud technical

An AI Data Cloud is like a giant online storage space where companies keep all their data and use artificial intelligence to analyze it. This helps businesses find patterns, make better decisions, and create new products faster, much like how a smart assistant can help you organize and understand a lot of information quickly.

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Snowflake Data Clean Rooms will power Unlimitail's upcoming Global Retail Media Data Hub, enabling privacy-preserving, closed-loop retail media across 250 million shoppers

• Retail media at scale: Unlimitail's network spans 120 retail sites reaching 250 million shoppers and more than 3 billion page views per month, with more than 35 retail partners already active across Europe and Latin America
• Proof via real checkout data: Brands and retailers can measure whether campaigns actually drove purchases, not just clicks, because Unlimitail's network has direct access to transaction data at the point of sale
• Built on a privacy-preserving foundation: Snowflake Data Clean Rooms enable data collaboration across retailers, brands, and agencies without customer data leaving the retailer's environment

Unlimitail Chooses Snowflake to Power Privacy-Preserving Retail Media Across Europe and Latin America

Retail media is one of the fastest-growing channels in digital advertising, but also one of the most fragmented. According to Publicis's 8th eRetail Media Barometer, nearly two-thirds of European advertisers now invest in audience extension through retail media, and approximately half allocate more than 20% of their total media mix to the channel. As investment scales, two challenges are holding back its full potential: managing data collaboration securely across a multi-retailer ecosystem, and proving genuine ROI beyond clicks and impressions.

Unlimitail understands these challenges firsthand. For several years, the company has operated Carrefour's first-party data in real-world conditions, both onsite and offsite, and has extended its model to retailers including MediaMarkt Saturn, MyOrigines, ID Kids, and Hygie 31. Activating each retailer's data traditionally required moving it into a centralized system, a step few retailers would accept. Building on Snowflake removes that barrier.

With Snowflake Data Clean Rooms, retailers and brands across Unlimitail’s network can analyze shared audiences and measure campaign outcomes against real purchase data, measuring whether campaigns actually drove purchases, not just clicks. Role-based controls and Snowflake's zero-copy architecture help ensure each retailer sees only what they need to, while keeping privacy measures intact.

That collaboration also scales to many players at once. Retailers, brands, publishers and third-party data partners can contribute, analyze and activate data together in a single, controlled environment without any party exposing their raw data to others. The result is richer, more complete audience intelligence across the entire Unlimitail ecosystem.

Unlimitail plans to launch its Global Retail Media Data Hub on Snowflake later this year, a platform that will serve as the single connection point for retailers, brands and agencies across Europe and LATAM.

"Retail media is only as powerful as the trust and data behind it, and that trust has to be earned, not assumed," said Alexis Marcombe, Chief Executive Officer, Unlimitail. "By building on Snowflake, we can give every retailer in our network full control of their first-party data while also giving brands the closed-loop proof they've been asking for. We are building the infrastructure to become the global standard for how retail media works."

"Most retail media measurement stops at the click. With Unlimitail, brands can go all the way to the receipt, and that changes the conversation they can have about the ROI of their retail media investment,” said Simon Contreras, Industry Principal, Retail & Consumer Goods, Snowflake. “Snowflake makes it possible to do that at scale, across markets and retail partners, without any retailer giving up control of their data."

Learn More:

• Learn more about Snowflake’s AI Data Cloud for Retail
• Explore how Snowflake Data Clean Rooms enable privacy-safe data collaboration
• Stay on top of the latest news and announcements from Snowflake on LinkedIn and X

About Snowflake

Snowflake is the platform for the AI era, making it easy for enterprises to innovate faster and get more value from data. More than 13,900 customers around the globe, including hundreds of the world's largest companies, use Snowflake's AI Data Cloud to build, use and share data, applications and AI. With Snowflake, data and AI are transformative for everyone. Learn more at snowflake.com (NYSE: SNOW).

About Unlimitail

Unlimitail is an international retail media structure offering brands and retailers the opportunity to deploy their retail media strategies in a simplified, unified and optimised way. It enables a better understanding of consumers, the activation of targeted and omnichannel marketing campaigns, as well as end-to-end measurement of the effectiveness of these campaigns, from increased visibility to increased sales. The company stands out in the market today thanks to its cutting-edge advertising technology suite, which unifies onsite and offsite, and also thanks to its global reach and the quality of its data, accumulating more than 2 billion monthly page views and covering more than 250 million addressable customers worldwide.

For more information about Unlimitail, please visit Unlimitail.com.

Forward-looking statements: This press release contains forward-looking statements, including about our future product offerings, and are not commitments to deliver any product offerings. Actual results and offerings may differ and are subject to known and unknown risk and uncertainties. See our latest 10-Q for more information.

View source version on businesswire.com: https://www.businesswire.com/news/home/20260617210298/en/

Media Contacts:
Olivia Kealey
Corporate PR Senior Lead, Snowflake
press@snowflake.com

Unlimitail Communications:
communication@unlimitail.com

Source: Snowflake Inc.