Experian received top ranks for hashed emails (HEMs) and demographic data from Truthset Data Collective

Advertisers, technology partners, and agencies are all chasing accurate data to power their marketing strategies. Turns out, not all data is created equal and unless you’re working with the right partner, high-quality data can be hard to find. That’s because accuracy can vary widely across the industry and the partner you choose is important. A recent study conducted by data validation company Truthset showed that 51% of the data used for ad targeting and audience measurement is wrong, with average accuracy rates ranging between 32%-69% across data providers.
The data quality challenge
The lack of high-quality data poses multiple challenges in the advertising world:
- Wasted ad spend: without accurate data at the start, marketers can’t reach the right audiences, resulting in wasted impressions.
- Privacy and compliance: in an increasingly privacy-centric world, advertisers need to be especially mindful of accurate targeting to avoid putting their brand reputation at risk.
- Poor campaign performance: low-quality data skews metrics and attribution models, making it difficult to measure campaign success and optimize spend.
Low-quality data can come in different forms like inconsistent or outdated information – think demographics (age, gender) and interests (dog versus cat lover) or simply the wrong relationship can be made between datasets. Data records can be incomplete or duplicative and data segments could be misclassified or inaccurate. For example, a kids snack food company may think they’re targeting a 35-year old man, who lives in the suburbs with his young family when in fact it’s a 65-year-old woman who moved to the city after her kids went to college. It’s wasted dollars!
Build the data foundation
Data quality needs to be addressed if advertisers and advertising technology partners want to fulfill consumers’ demand for personalized marketing. Per eMarketer, more than 75% of internet users worldwide said they were willing to share their email address, brand interest, and name in exchange for personalized experiences. Without accurate data, marketers won’t be able to provide the level of personalization that consumers desire.
Validation can help advertisers evaluate third party data and help build trust across the ecosystem. Companies like Truthset review and provide an unbiased evaluation of data fidelity and quality on a regular basis.
“As cookies and mobile ad identifiers continue to phase out, consented, durable identifiers (hashed email, postal addresses) are going to serve as the foundation for identity solutions of the future,” said Chip Russo, President at Truthset. “And the only way to ensure you are transacting on the highest quality identity and demography data is to actively validate the data you rely on with a third party.”
Not all data is created equal: Experian leads the way
In Q3 2023 Truthset reviewed Experian’s marketing data – as well as several other large data providers – and found:
- Experian is the #1 data provider in terms of largest volume of high-accuracy hashed e-mails (HEMs) with demographic data
- Experian ranks #1 in accuracy for 15 marketing data attributes, including but not limited to Age, Gender, Home Owner/Renter, Geography, Education, Presence of Children, and Pet Owner
- Experian consistently has the largest number of HEMs with demographic data that are 90% or more likely to be accurate
“As a member of the Truthset Data Collective, Experian received top ranks across a variety of categories for its data,” continued Russo. “The entire digital advertising world runs on data, but focusing on data accuracy is going to drive the next phase of innovation for the industry, enhancing ROI for advertisers, CPMs for publishers, and relevant experiences for consumers.”
As Truthset’s recent study highlights, the data matched between hashed e-mails and postal addresses is crucial, underpinning everything from targeted ads to TV audience measurement. Highly accurate HEMs linked to high-quality demographic data should be the foundation of any marketing plan. Advertisers are able to overcome the complexities of identity resolution by tying online and offline touchpoints together to deliver a consistent message across channels.
Companies are striving to eliminate marketing waste and provide consumers with personalized marketing and the advertising industry can have confidence that Experian’s marketing data has been externally validated as being highly accurate. The accuracy of our data will power smarter marketing initiatives, like insights, targeting, identity, and measurement.
Let’s start a conversation about how we can fully realize the potential of data-driven advertising together.
Latest posts

Spring is here! For some of us, spring means the return of warm weather, for others it signals a time to clean out the clutter or, a time for more outdoor activities. Successful marketers know that just as spring habits vary, so do seasonal buying patterns. Marketers should take advantage of advanced marketing tools to capitalize on consumer spending around the changing seasons. There are three areas that will help you deliver the most value to your customers throughout the year: preference data, message relevancy, and a mobile-first approach. Preference data Spring is a great time to gather preference data as “spring cleaning” inspires consumers to research and purchase new items as they begin purge their closets of last season’s look. Collecting information from your customers about the types of products they are interested in will enable you to accurately tailor the content you send them through the remainder of the warm weather seasons. Message relevancy Differences in climate and culture affect style preferences from city to city. To give your customers a tailored experience, use their preference data to delivery personalized content and product suggestions. By using dynamic content tools and filters in your marketing automation platform, you can be sure the right content is presented at the right time, to different audiences within the same campaign. Personalizing your communication shows your customers that you understand their needs and preferences, builds brand trust, and long-term loyalty. Mobile first With the thaw of winter, spring inspires activity and productivity – with so much to do, your customers have more reasons to be on the go. This is the perfect time of year to scale up your mobile PUSH and SMS campaigns to reach consumers wherever they are. Consider adding triggers based on location data from visits to your mobile app or visits to your site from a mobile browser. Triggering a message to your customers while they’re near your store is a powerful way to drive relevant messaging and purchase intent. Focusing on these three core areas will help you deliver the most value to your customers through the season and throughout the year. Learn more about how our team of experts can help with comprehensive marketing strategies that will take your marketing to the next level.

Partnership leverages industry-leading Tapad Device Graph™ for more effective video marketing across all connected devices NEW YORK, April 11, 2017 /PRNewswire/ – Tapad, a part of Experian, the leading provider of privacy-safe, cross-device marketing technology solutions, has announced its partnership with Innovid, the world's leading video marketing platform. This integration enables Innovid to bring cross-device personalization and a more unified viewer experience to its video marketing clients including Bank of America, L'Oréal, Microsoft and Procter & Gamble. Innovid's proprietary technology is the only platform optimized for video, enabling marketers to thrive in an ever-changing digital television landscape. Since its launch last year, Innovid's Marketing Cloud Suite has helped marketers increase message relevance and the opportunity to drive conversions, retention and acquisition through video personalization. By leveraging the Tapad Device GraphTM, Innovid's marketers can now benefit from the ability to drive consistent, personalized user experiences across all devices, creating more impactful connections with consumers and increasing ROI. "Personalization is a must for every data-driven marketer and really needs to happen across all devices to ensure a unified customer journey," says Ronnie Lavi, SVP of product at Innovid. "At Innovid, we recognize one size does not fit all when it comes to video. As an open platform, we are always looking to add best-of-breed capabilities through integrations and partnerships, and we've chosen Tapad because of its superior cross-device expertise." "Innovid has long paved the way for effective personalization in the video marketing space," says Pierre Martensson, GM of Tapad's data division. "As video continues to gain popularity across digital formats, we're excited to see how our technology empowers Innovid to bring that renowned personalization to more customers across all of their devices." Contact us today!

Tracey Scheppach's new marketing and media practice leverages Tapad's device-level data to help clients achieve "marketing nirvana" NEW YORK and CHICAGO, April 5, 2017 /PRNewswire/ — Today, Tapad, now part of Experian, is the leading provider of unified, cross-screen marketing technology solutions, and Matter More, a next generation marketing and media practice with deep experience in the advanced TV space, announced a strategic partnership to bring together world class digital data and audience development expertise to help marketers improve how they connect with consumers. As consumer behavior continues to expand across multiple devices, today's marketers need robust, comprehensive data solutions to accurately engage the people who matter most to their brands. At the same time, the TV industry has reached an advertising tipping point, capitalizing on the power of device-level data. "Achieving unduplicated reach and frequency across all channels with true addressability, and the ability to measure outcomes, is marketing nirvana," says Tracey Scheppach, CEO and co-founder of Matter More, a new agency built for the modern age. "The best opportunity to deliver 'marketing nirvana,' at scale, is by partnering with Tapad and using their world-class Device Graph to help our clients simply matter more to the people they care about most." "By leveraging our access to rich TV data, we can now measure the actual performance of media across channels," says Marshall Wong, SVP, TV for Tapad. Tapad's proprietary Device Graph™ unifies consumer behavior data across all devices, uncovering the interests, passions and behaviors of the audiences who matter most. As with any data solution, privacy, transparency and trust are crucial to bringing marketers a solid offering that delivers results. "Tapad is excited to partner with Matter More to tap into their knowledge base and experience working with some of the largest brands on TV today," says Kate O'Loughlin, SVP and GM of Tapad's media division. "The time has come to truly unleash the power of device-level data at scale." Contact us today