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What is Second‑Party Data in Business?

Learn everything you need to know about second‑party data, including its benefits, collection methods, and how to utilize it in your business.

Succeeding in business marketing requires deep insight into customer patterns and behaviors. In today’s data-driven world, relying solely on your own first-party data or purchasing third-party data can limit your ability to fully understand and engage with your audience.

Unlike third-party data, which is gathered from various sources and often lacks the precision needed for effective targeting, second-party data allows you to combine your own customer data with high-quality information from trusted partners. For example, partnering with a popular social media platform can provide insights into user behavior and preferences. This collaboration enriches your understanding of your audience, leading to more effective and transformative marketing strategies.

Harnessing this approach helps you incorporate data science into marketing, empowering you to make informed decisions, boost customer loyalty, and achieve better business outcomes. In the following sections, we'll explore how to collect, use, and benefit from second-party data, guiding you on how to leverage this powerful resource for your business.

What is second-party data?

Second-party data refers to someone else's first-party data that you have permission to use. When you leverage first-party data from a trusted partner, you can acquire high-quality information, often through a mutually beneficial relationship. This data is typically shared through a direct agreement, ensuring its accuracy and reliability.

For example, a retail company partners with a popular online brand to share customer data. The retail company gains insights into online customer behaviors and preferences, while the online brand gets data on in-store purchases. Both companies can use this data to refine their customer data platform and enhance their first-party data strategy.

Second-party data differs significantly from first- and third-party data. First-party data is data you collect directly from your own audience, such as through website analytics or customer surveys. It is highly valuable because it is directly relevant to your business and collected with explicit customer consent.

On the other hand, third-party data is collected by a data provider from various sources and sold to other businesses. While it can provide broad insights, its data quality can be inconsistent and might not be as relevant or specific as first-party data.

In comparison, second-party data offers a middle ground. It combines the reliability and relevance of first-party data with the broader insights of third-party information. This approach can enhance your understanding of customer and audience data, supporting a more effective first-party data strategy and fostering a deeper connection with your own audience.

Second-party data offers numerous advantages that can significantly enhance your data strategy. By leveraging data from trusted partners, your business can gain deeper insights and improve its overall approach to customer engagement and marketing. 

Here are some key benefits of utilizing second-party data:

  • Enhanced audience insights: Second-party data provides access to additional customer information that enhances your own first-party data. This enriched dataset helps you understand your audience better, leading to more data-informed decisions and effective marketing strategies.
  • High data quality: Because second-party data comes from a direct, trusted partner, it tends to be more accurate and reliable than third-party data. This ensures that your data-driven initiatives are based on high-quality information, improving outcomes.
  • Cost-effective: While purchasing third-party data can be expensive and less reliable, buying second-party data provides a cost-effective alternative. It offers similar benefits without the drawbacks associated with third-party data providers.
  • Strengthened relationships: Engaging in second-party data partnerships fosters mutually beneficial relationships with other businesses. These partnerships can lead to further collaboration and shared success.
  • Complement to zero-party data: Second-party data can also complement zero-party data, which customers voluntarily share. This combination provides a more holistic view of customer preferences and behaviors.

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Collecting second-party data through the methods below can significantly enhance your data-driven marketing efforts. By integrating high-quality data from trusted partners into your customer data platform, you can avoid the pitfalls of inaccuracies or inconsistencies sometimes associated with third-party sources.

Here are some effective methods to help you collect second-party data:

  1. Strategic partnerships: Forming strategic alliances with other companies is a common way to collect second-party data. Take our above example of a retail brand partnering with a popular online marketplace to share their customer data. Both parties benefit from gaining new audience insights while maintaining high data quality.
  2. Data sharing agreements: It's also important to establish formal data sharing agreements with your trusted partners. These agreements outline how the data will be shared, used, and protected. This approach ensures that both parties have a clear understanding of the terms and services.
  3. Customer data platforms: Utilize customer data platforms that support second-party data integration. CDPs can facilitate the secure exchange of data between partners, allowing for seamless integration of customer insights from multiple sources.
  4. Collaborative marketing campaigns: Engage in collaborative marketing campaigns with your partners. For example, co-hosting webinars or joint promotions can lead to sharing customer data collected during these events. This method provides valuable data and strengthens your business relationships.
  5. Data provider networks: Some data providers offer networks where businesses can connect and exchange second-party data. These second-party data marketplaces act as intermediaries, ensuring the data is shared securely and ethically.
  6. Industry associations and groups: Participate in industry associations or groups that facilitate data sharing among members. These groups often have guidelines and agreements to ensure the data shared is reliable and consistent.

Using second-party data can significantly enhance your business strategies and customer engagement efforts. By integrating second-party data with your zero-party data and first-party data, you can create a robust data ecosystem. This comprehensive approach strengthens your marketing efforts and provides a competitive edge in understanding and meeting customer needs. Avoid relying solely on third-party data providers, as the data media publishers may not offer the same level of reliability and relevance as second-party data.

Here are some ways to leverage second-party data for your business:

  • Enhance personalization: Integrate second-party data with your existing first-party data to create a more comprehensive customer profile. This enriched dataset allows you to deliver personalized ads that resonate with your audience, increasing engagement and conversion rates.
  • Improve segmentation: Use second-party data to refine your customer segmentation strategy. You can develop more precise segments and tags based on behaviors and preferences by incorporating insights from your trusted partners.
  • Augment data quality: Second-party data often fills gaps in your first-party data, providing a more complete view of your customers. This helps you avoid relying solely on third-party data, which can sometimes be inaccurate and inconsistent.
  • Drive data-driven decisions: Integrating second-party data into your customer data platform supports better decision-making. Access to diverse data sources allows you to analyze trends and patterns more effectively, leading to informed business strategies.
  • Strengthen customer relationships: Utilize the insights gained from second-party data to enhance customer experiences. For instance, if a partner shares data indicating that a segment of customers prefers certain products, you can tailor your offerings to meet these preferences, boosting satisfaction and loyalty.
  • Collaborative marketing efforts: Engage in joint marketing campaigns with your data-sharing partners. Sharing customer data can help both parties create more effective campaigns, leveraging shared insights to reach a broader audience.

Enhance your business with second-party data

Leveraging second-party data can revolutionize your business by providing deeper insights and more effective strategies. You already understand the value of your own customer data, but by integrating second-party data from trusted partners, you can elevate your marketing efforts and decision-making processes.

With second-party data, you can also enhance your audience insights and create personalized ads that truly resonate. By combining your first-party data with additional high-quality data, you refine your customer segmentation, ensuring that your campaigns hit the mark every time. This comprehensive approach surpasses the limitations of inaccurate and inconsistent data that some third-party providers might offer.

Mailchimp offers a suite of tools and services to help you harness the power of second-party data. With Mailchimp's customer data platform, you can seamlessly integrate and manage second-party data from multiple sources. This allows you to create detailed customer profiles, incorporating this information alongside your zero-party and first-party data. The result is a richer, more complete understanding of your audience.

Don't rely solely on the data media publishers sell or purchase third-party data that might not meet your needs. Instead, enhance your business with the reliability and relevance of second-party data. With Mailchimp, you have the tools and support to maximize this valuable resource, transforming customer engagement and driving business success.

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