Unveiling the Finest Identity Resolution Software of the Year: Streamline Your Customer Data

April 23, 2024
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Navigating customer identities across multiple channels can be daunting. Identity resolution software provides a solution by identifying and linking customer data, enhancing targeted marketing efforts. Stay tuned as we analyze the leading platforms, helping you make informed decisions to elevate your customer understanding.

Key Takeaways

  • Identity resolution software plays a pivotal role in omnichannel marketing by enabling the creation of comprehensive customer profiles through data integration, which is critical for personalized targeting and customer experience enhancement.
  • Marketers must consider a variety of factors when selecting identity resolution software, including the choice between in-house data processing or external tools and between probabilistic or deterministic ID matching methods to balance data availability with precision.
  • Top identity resolution platforms like MarketingCloudFX, Wunderkind, LiveRamp, Amperity, Narrative, and FullContact offer unique features and capabilities tailored for enhancing marketing strategy while ensuring data privacy and compliance with regulations.

Understanding Identity Resolution

In the era of omnichannel commerce, identity resolution is the science that ensures no customer interaction goes unrecognized. It is the intricate process of:

  • connecting consumer identifiers across channels and devices
  • creating a singular, comprehensive view of your customers
  • involving tagging, tracking, and linking identifiers to build robust customer profiles.

This process spans critical steps such as data onboarding and enriching consumer data through identity graphs, pivotal in delivering a seamless omnichannel customer experience. By maintaining alignment with each identifier, businesses prevent system breakdowns, ensuring successful identity resolution and integration. Integrates consumer identifiers into this process further enhances the effectiveness of identity graphs and identity resolution.

The Role of a Customer Data Platform (CDPs)

At the heart of identity resolution lies the customer data platform (CDP), such as mParticle and Segment, which act as extensive databases for customer interactions. These platforms collect and unify data, creating customer profiles that serve as the foundation for personalized marketing and data activation. Within these CDPs, frameworks like mParticle’s IDSync employ deterministic matching to manage user login statuses and recognize identifiers, showcasing their critical role in identity resolution.

While CDPs stand as the backbone, identity resolution software connects the dots across platforms, developing individualized profiles with identity resolution capabilities that meet customer expectations and enhance the customer experience.

The Significance of Identity Resolution Software for Marketers

Marketers today face an unprecedented challenge: to understand and engage with their customers in a landscape that’s constantly evolving. An identity resolution platform is the linchpin for achieving a comprehensive view of a consumer’s online and offline activities. This holistic perspective is crucial for:

  • Effective targeting
  • Personalization
  • Amplifying customer experiences
  • Fortifying relationships

However, the decline of third-party cookies and other technological shifts pose significant hurdles, making accurate identity resolution more challenging yet ever so critical. The outcome? Personalized campaigns and efficient marketing operations that drive brand loyalty and retention.

Selecting the Ideal Identity Resolution Platform

When wading through the sea of identity resolution software, the rudder that steers you to the ideal identity resolution tool involves several crucial considerations. One must decide between keeping identity resolution processes within the data warehouse or opting for external identity resolution tools, a choice that impacts control and flexibility.

Furthermore, the selection between probabilistic and deterministic ID matching methods is not to be taken lightly, as it balances the scales between data availability and the precision of customer identity resolution. Notably, deterministic methods, hinging on first-party data for exact matches, provide a sturdy foundation for personalized customer profiles.

Spotlight on Top Identity Resolution Software

Let’s turn the spotlight to some of the finest identity resolution software that’s changing the game. Here are some examples:

  • Identity Matrix's de-anonymization
  • LiveRamp’s data connectivity
  • Amperity’s AI prowess
  • Narrative’s detailed profiles
  • FullContact’s privacy focus

Each of these software options offers unique features and capabilities.

These platforms not only master the art of identity resolution but also stand as testament to the innovation that defines this space.

Identity Matrix

Identity Matrix is one of the leading identity resolution providers, as it uncovers the exact identity of website visitors, down to the individual.

  • De-anonymize 50-70% of U.S. traffic down to the person, unlike other tools that only identity companies
  • Score leads based on their website engagement, leaving your team with high-intent, in-market prospects
  • Get fully enriched data that includes phones, emails, addresses, social profiles, and much more


LiveRamp takes the stage with its unparalleled ability to:

  • Connect first-, second-, and third-party data across offline channels and online devices, creating a unified customer view
  • Merge offline touchpoints with online devices in a way that respects individual privacy, thanks to its Identity Graph
  • Ensure the accuracy of these connections through deterministic linking processes and the utilization of high-quality data

This makes LiveRamp a cornerstone in the identity resolution field.


Amperity harnesses AI and machine learning to stitch together customer data, resolving identities with an advanced, automated approach. Its identity resolution process is notable for its flexibility, employing probabilistic matching to create dynamic profiles that can adapt to new data in real-time.

These profiles are not static; they evolve, becoming richer as more known customer data is collected, thus enabling a genuine 360-degree view of customers that bridges the gap between online and offline data.


Narrative is another key player, crafting accurate customer profiles by linking a multitude of identifiers through both deterministic and probabilistic techniques. Its platform, equipped for real-time data ingestion, uses the Multidimensional Scalable Identity Graph to organize data and intelligently disambiguate records, offering a unified view of the customer journey.


FullContact stands out with its comprehensive approach to identity resolution, emphasizing data privacy and security for marketers. Offering APIs that bolster contact and customer data management, FullContact facilitates the creation of detailed customer profiles while ensuring clients retain ownership of their first-party data.

Industry Applications and Use Cases

Identity resolution software isn’t confined to a single industry; it has spread its wings across various sectors. In healthcare, platforms like Throtle help maintain accurate, privacy-compliant data on patients and healthcare professionals, with an extensive identity graph offering precise targeting for marketers. Government agencies such as the Queensland Police Service have also adopted these solutions to improve data quality and public safety.

Retail giants like Starbucks and FinishLine utilize identity resolution to stitch together customer identities and enhance experiences, while adtech and martech industries rely on these platforms to extend customer reach and nurture enduring relationships.

Pricing Considerations and Free Trials

The cost of entering the world of identity resolution software varies, with subscription fees ranging from $29.99 to $299 per month, depending on data needs. Many providers entice potential customers with free trials, allowing them to experience the software’s capabilities before committing financially. These trials are crucial for assessing compatibility and performance within existing systems and are a testament to the customer-centric approach of most vendors.

Integrating Identity Resolution Software with Existing Systems

Seamless integration is the hallmark of top-tier identity resolution platforms, which offer pre-built connections and APIs to effortlessly meld with existing systems. This integration is essential for avoiding duplicate records and ensuring that device IDs and consumer identifiers are accurately managed within the company’s marketing technology stack.

Ensuring Privacy Compliance and Data Ownership

Navigating the complex landscape of data privacy, identity resolution software is a beacon of compliance, helping businesses adhere to regulations like GDPR, CCPA, and HIPAA. Features within these platforms manage consent and protect data, ensuring that customer data platforms remain privacy compliant and that data enrichment doesn’t come at the cost of compliance standards.

Avoiding incomplete or duplicated profiles is not only a matter of accuracy but also a means to steer clear of potential non-compliance with privacy regulations.

Optimizing Marketing Strategy with Identity Resolution

The deft use of identity resolution platforms can:

  • Fine-tune marketing strategies
  • Enable personalized messaging that resonates with the addressable individual profile, including accurate postal addresses
  • Facilitate enhanced cross-channel attribution and campaign tracking
  • Provide a granular view of campaign impacts
  • Ensure marketing messages hit their mark.

Real-time data enrichment offers immediate insights into visitor interests, crucial for engaging unauthenticated users and crafting marketing initiatives that truly connect. Moreover, platforms like LiveRamp ensure that these strategies are executed in a secure and privacy-conscious manner, maintaining compliance while driving targeted campaigns.


As we’ve journeyed through the landscape of identity resolution, it’s clear that the right platform can be a powerful ally in the quest for data-driven marketing excellence. From enhancing customer experiences to ensuring privacy compliance, identity resolution software is an indispensable tool for marketers looking to forge genuine, lasting connections with their audience. Embrace the capabilities it offers, and watch as your marketing strategy transforms into a more precise, personalized, and powerful engine for growth.

Frequently Asked Questions

What is identity resolution?

Identity resolution is the process of connecting consumer identifiers across channels and devices to create a comprehensive view of customer interactions. It helps in understanding customer behavior and preferences.

How do Customer Data Platforms (CDPs) complement identity resolution software?

Customer Data Platforms (CDPs) complement identity resolution software by serving as comprehensive databases for known customer data, while the identity resolution software connects data across platforms to create personalized customer profiles, ultimately improving the customer experience.

What factors should be considered when selecting identity resolution software?

When selecting identity resolution software, it's important to consider factors such as control over the process, integration with data warehouse, and the matching methods available. These factors can significantly impact the effectiveness of the software for your specific needs.

Are there any privacy concerns with using identity resolution software?

Yes, privacy regulations like GDPR, CCPA, and HIPAA must be considered when using identity resolution software, and these platforms offer features to manage consent and protect data.

Can identity resolution software integrate with my existing systems?

Yes, identity resolution software can integrate with your existing systems by offering pre-built connections and APIs for seamless integration with your current marketing technologies.