How to turn quality data into measurable ROI

by Experian Marketing Services 5 min read August 27, 2025

Identity done right delivers stronger outcomes

Traditional audience signals are fading, and the industry is facing a new reality: identity is no longer just about connectivity, it’s about outcomes. At Cannes Lions 2025, leaders from AdRoll, LG Ad Solutions, Magnite, MiQ, OpenAP, PubMatic, Stirista, Tatari shared how innovative identity approaches are cutting through the noise, improving performance, and delivering real ROI. Their insights reveal a clear path forward for those ready to turn identity into a performance driver.

Here’s how you can apply the same principles to drive performance.

1. Make identity a performance engine

Treating identity as a performance driver leads to measurable results by creating a clear connection between marketing efforts and outcomes. Identity resolution enables the effective retargeting of audiences, accurate performance attribution across connected TV (CTV), and personalized campaigns across multiple channels. By building household-level graphs and incorporating alternative identifiers, marketers can maintain accuracy as traditional signals change. Activating first-party data across both digital and offline channels ensures that every interaction, whether on-screen or in-store, can be tied back to specific actions, helping optimize campaigns, and improve ROI.

How Experian helps

Experian’s Consumer Sync solutions create a clean foundation and persistent identity spine by resolving and expanding your first-party data across digital and offline IDs (hashed emails, mobile ad IDs, CTV IDs). This enables activation across omnichannel campaigns, from CTV to social, and connects data to outcomes.

“Identity resolution is very important to our overall strategy today. Without that identity linkage, we couldn’t speak the same language as our clients. For example, a client might want to target people who engaged with their brand’s website four days ago via CRM data. Without identity resolution, that’s not possible. But with it, we’re changing the narrative – making TV a hospitable place for deploying first-party data and driving outcomes.”

LG Ad SolutionsMike Brooks

2. Build trust through responsible data practices

Consumer trust begins with responsible data practices that prioritize transparency and privacy. Deterministic match rates ensure accuracy by connecting data points with confidence, while clear methodologies provide visibility into how data is used. These practices improve overall campaign performance and protect consumer privacy by ensuring that every interaction is respectful.

How Experian helps

Experian’s privacy-first approach ensures that all data activation occurs with compliance and consent. By maintaining high match rates and adhering to transparent methodologies, Experian helps build trust and strengthen long-term connections with audiences.

“If people don’t take any precautions and they don’t actually care about data in the public, they probably don’t care about it in private. Experian cares about data privacy and compliance, and that made it a no-brainer for us to work with them. When we combined our focus on privacy with Experian’s expertise, we knew we had to do it right – and we did.”

StiristaHenry Olawoye

3. Expand reach while maintaining high match rates

Having more data points to identify individuals leads to higher match rates and broader reach. Enriching records with additional identifiers, like hashed emails, MAIDs, and CTV IDs, makes it easier to connect data across channels and create a unified view of each person. This approach ensures that campaigns can scale effectively while maintaining the accuracy needed to deliver personalized experiences.

How Experian helps

With a database of over 5,000 attributes spanning 15 verticals and categories, Experian provides a comprehensive view of consumers through a single provider. By sourcing data from over 200 sources (including public records, consumer surveys, and purchase records), Experian enables the creation of detailed audience profiles. This enriched data focuses on identity, creating a unified view of individuals that helps pinpoint the best opportunities to engage effectively across channels and deliver measurable outcomes tailored to specific audience needs.

“We’ve been able to extend our IDs by an average of 6.5 different identifiers, with a 70% match rate. That extension is huge – it underpins a lot of the connectivity in our platform and allows us to bring 300 data feeds together to make the most of them.”

MiQGeorgiana Haig

4. Create unified campaigns with interoperability

Fragmented data often leads to fragmented results. Interoperability ensures that data from different platforms and systems can work together, creating a unified view that makes measurement and attribution more actionable.

How Experian helps

Experian simplifies interoperability by ensuring consistent data usage from activation and measurement. By connecting data from various sources, Experian enables a cohesive strategy where insights can be shared across publishers, measurement providers, and ad servers, ensuring campaigns remain aligned and effective at every stage.

“The ecosystem benefits from optimized interoperability. We’re focused on allowing advertisers to work seamlessly across IDs and identity solutions – from activation to resolution – so the same data set is used consistently across publishers, measurement providers, currencies, programmatic ecosystems, and ad servers.”

OpenAPChris LoRusso

5. Use AI to amplify, not replace, strategy

Artificial intelligence (AI) is transforming how campaigns are optimized, but its success depends on clean, consented identity foundations. AI can analyze vast amounts of data to refine targeting, manage frequency, and uncover new efficiencies, but only when built on a strong identity framework.

How Experian helps

Experian uses AI and machine learning to deliver highly personalized marketing solutions. Advanced clustering algorithms in Experian’s Digital Graph analyze and create household and individual device connections, improving targeting and measurement accuracy, while machine learning models improve consumer insights by inferring household composition where data is limited. These innovations enable AI tools to quickly generate tailored audience solutions, analyze contextual signals in real time, and identify opportunities that improve results while maintaining a human centered approach to decision making.

“AI is a copilot to your marketing initiatives. For it to perform, it needs insights and information to learn from. That’s why having a strong foundational data asset rooted in deterministic data is so important.”

PubMaticHoward Luks

Five moves to turn identity into profit

Here are five steps to get started:

1. Audit your data health

Make sure your audience data is accurate, up-to-date, and complete so you’re starting from a strong foundation.

2. Layer in more context

Enrich your records with details, like lifestyle, interests, or buying behaviors, that help you speak your audience’s language.

3. Unify touchpoints across channels

Link your data so you can see the same person or household whether they’re engaging on CTV, mobile, desktop, in-store, or through other touchpoints.

4. Activate AI for stronger campaigns

Use AI tools to fine-tune targeting, control ad frequency, and find hidden opportunities once your foundation is solid.

5. Align data across systems

Ensure interoperability so data from different platforms and systems can work together, creating a unified view for actionable insights.

The common thread across these insights is connection: connecting data, teams, and outcomes. Marketers who act on these imperatives will be ready for whatever new channel, format, or privacy rule comes next.

Let’s start a conversation about how Experian can help you turn identity into ROI

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Closer to the source: Activating Experian Audiences in Google Ad Manager Curation

Buyers can now put Experian’s audience and contextual intelligence to work in Google Ad Manager Curation in two ways: through off-the-shelf solutions available directly in Google Ad Manager, or through Custom Curation packages that Experian builds using Google Ad Manager’s inventory supply. Together, these options bring Experian’s consumer data foundation closer to the Google supply agencies already buy, with the flexibility to choose between a ready-to-use solution and an Experian package tailored to specific campaign goals. Why targeting at the source matters Many audience strategies still apply targeting on the buy side, which means signals pass through multiple systems before an impression is evaluated. Each step can shrink the pool of requests where the audience is still recognizable, so a carefully built strategy can reach the auction at a fraction of the scale it started with. Google Ad Manager Curation moves segment evaluation closer to the ad request. When a request matches the selected Experian segment, Ad Manager sends the bid request with the associated Deal ID to the buyer’s DSP. This more direct path can support stronger match and deal-transaction rates, more accurate forecasting, and better access to the audience defined in the strategy. As AI shapes more media decisions, the quality and provenance of the data feeding those systems matter more. Evaluating audience or contextual criteria closer to the source helps preserve the connection between the strategy and the impression being considered. Two ways to get started The right entry point depends on how much customization the campaign requires. Buyers can access Experian solutions off-the-shelf directly in Google Ad Manager or work with Experian to build a Custom Curation package using Google Ad Manager inventory supply. Start off-the-shelf For buyers who want direct, self-service access to Experian audience and contextual solutions. Experian solutions are available off-the-shelf in Google Ad Manager, giving buyers a straightforward way to select the data or contextual strategy that fits their campaign and create packages through Google Ad Manager’s Curation capabilities. Experian Audiences Experian Audiences draw on a deterministic offline identity foundation that represents more than 250 million U.S. consumers and 126 million U.S. households. Buyers can choose from Experian’s Audiences spanning demographics, lifestyle, financial signals, media habits, and household characteristics. That depth adds real-world consumer context beyond digital behavior alone. Contextual Experian contextual solutions give buyers a way to reach relevant environments without relying on identity. Buyers can select contextual audiences aligned to specific interests, categories, and content to inform where media appears. Experian also offers Predictive Indexed, which uses Experian audiences to predict the contextual categories and pages to target based on the likelihood that consumers visiting those environments fall within the selected audience. This gives buyers an audience-informed way to approach contextual activation without requiring identity at the point of activation. Build a Custom Curation package For buyers who need a strategy tailored to specific audience, contextual, and inventory requirements. Experian can build Custom Curation packages using Google Ad Manager’s inventory supply based on the targeting criteria that matter for a campaign. Where off-the-shelf solutions draw on Experian data, custom packages can also incorporate partner audiences and a brand’s own first-party audiences. Packages can combine Experian audiences, partner audiences, a brand’s own first-party audiences, contextual signals, and inventory or site criteria. Experian applies those criteria against Google Ad Manager inventory supply and brings the data, targeting, and inventory together into a single curated deal. This gives buyers a way to combine audience and supply decisions rather than managing each component separately. The approach can be tailored to the campaign. A buyer might start with a defined audience and add contextual or inventory criteria, bring a brand’s established first-party audience into the strategy, or build around specific supply and audience-quality requirements. Choose the path that fits the campaign Both paths do the same underlying thing: they move the audience or contextual decision closer to the ad request, before signal loss builds across the path. Whether a campaign calls for something ready to use or a package built to spec, the result is a more direct line from strategy to impression. Ready to get started? Explore Experian solutions available off-the-shelf in Google Ad Manager or contact your Experian representative to request a Custom Curation package. Latest posts

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