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A data clean room built for advertising collaboration

Find your ideal customers with first-party data

Fight signal loss by using proprietary data to uncover and target highly converting audiences on premium inventory. Power it with Decentriq's data clean room — built for secure data collaboration in advertising.

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Why your brand should start collaborating on first-party data now

70%

of users can’t be reached accurately due in part to third-party data decay¹

58%

of ad spend is estimated to be wasted, with signal loss as a significant contributing factor²

66%

of users’ internet time is spent on the open internet, including the premium web³

Better targeting through better-quality data

Connect with our premium partners to seamlessly activate, enrich, and scale first-party data — all in a privacy-safe environment.

Discover our Network
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No first-party data? No problem.

Run campaigns on first-party data, even if you don’t have [enough of] your own. Use Decentriq’s data clean room environment to collaborate with our network of rich data partners or bring in your preferred partner — and build the exact network you need.

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Unlock audience insights

Insights

Discover shared audiences to plan smarter, data-driven ads — all without sharing raw data.

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Discover and activate curated audiences

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Remarketing

Find and target existing customer segments within a publisher's audience.

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Exclusion targeting

Exclude existing customers from campaigns to focus on acquiring net-new customers.

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AI lookalike audiences

Extend the reach of your campaign with AI-powered new audiences that share similarities to your best customers.

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Optimize measurement

Conversion lift

Transparently assess incrementality in a way that’s more secure and compliant than Conversion API, while also retaining full control of your data.

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Explore case studies

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A leading luxury car brand increased engagement by +80% and conversion rate by +58%

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IKEA increased ROAS by +10% and reduced cost per visit by up to 30%


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Samsung reached >1 million potential new customers and 3 million existing customers


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A one-stop shop for external use of your first-party data

Decentriq is the only data solution that lets advertisers activate their first-party data on both walled gardens and on the premium web — including CTV — in one easy-to-use platform.

Decentriq data clean room links partners: cloud, CDP & DMP, CRM; outputs to DSP, walled gardens, more.
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We now have a solution in hand that shows us in detail where to reach and inspire potential IKEA customers on willhaben inventory — even where we wouldn’t have expected to look for them.

John Oakley, Country Marketing Manager, IKEA Austria

Decentriq lets us work on our anonymized data together with other advertisers, partners, media agencies, or retailers and makes collaborating with them quick and easy.

Sandy Ukat, Lead Data Solutions, AdAlliance

We enabled Samsung to execute highly targeted campaigns outside of walled gardens. Through our Decentriq approach, we enhance Samsung's holistic data strategy and the strategic value of their first-party data.

Sven Wegholz, Director Data Driven Marketing, Publicis Media

3rd party cookies have underpinned internet advertising for decades. With its deprecation, publishers and brands have to rethink entirely new ways to reach audiences in a privacy-first world. With Decentriq and confidential computing, Goldbach enables a trust layer, allowing brands to onboard their 1st party data without compliance risks.

Jochen Witte, former CTO, Goldbach Group AG

Decentriq's privacy preserving analytics provide a valuable tool in defending supply chains without compromising on sensitive data or trade secrets.

Chris Inglis, National Cyber Director of the United States, Biden Administration

Decentriq enables a whole new perspective on how we can innovate with data that wasn't possible before.

Alice Dal Fuoco, Head of Innovation, Postfinance

Using Decentriq’s data clean room solutions is an important milestone for us and our customers in a digital marketing future without third- party cookies.

Mike Falconer, VP of Strategy at Sportradar

Decentriq demonstrated their dedication from the very beginning, guiding us and our collaboration partners through the technology and first-party data activations — quickly becoming more than just a platform provider, but rather a trusted partner on our side.

Bettina Schatz, Team Coordinator for Sales Growth, Data Advertising, and Market Analysis at willhaben

By leveraging Decentriq’s data clean room technology, we achieved a powerful combination of data privacy, precise audience targeting, and performance – a perfect synergy for successful campaigns.

Nadia Schlittler, Digital Account Manager, Converto AG

Explore how secure data collaboration is powering first-party advertising

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News

First-id et Decentriq: de la collaboration data à l’activation média

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Demo video

Audience insights demo

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Guide

Your guide to building a retail media network

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Get a live demo and see how you can put first-party data to work

Find out how data clean rooms can help you turn your highest- quality customer data into new insights, better targeting, and more effective campaigns.

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Frequently asked questions

What is a data clean room — and do I need one?

A data clean room is a secure environment that allows you to collaborate on first-party data with partners, publishers, or platforms without exposing raw data. If you're looking to improve targeting, measure incrementality, or activate audiences while staying privacy-compliant, a data clean room can unlock powerful opportunities — even if you don’t have a lot of data yourself.

How does Decentriq support cookieless advertising?

Decentriq helps advertisers thrive in a cookieless world by enabling secure, privacy-preserving collaboration with publishers and data partners. Unlike traditional adtech workarounds, our clean room platform allows you to activate first-party data, build lookalike audiences, and measure performance — all without exposing raw data or relying on third-party cookies.

Can I collaborate with my existing partners in the data clean room?

Absolutely. Decentriq’s platform enables you to collaborate securely with your preferred publishers, agencies, and data partners, without sharing raw data. You maintain control over your data and relationships, while the data clean room provides a neutral, privacy-first environment for safe and effective collaboration.

¹ Marketing Evolution. "5 Advertising Techniques to Reduce Waste and Increase ROI." Accessed July 25, 2024.

² Marketing Evolution. "Waste in Advertising." Accessed July 25, 2024.

³ Statista. "Time Spent and Ad Spend on Open Internet and Walled Gardens in the USA." Accessed July 25, 2024.