In the post-cookie world, First-Party Data is the most valuable asset for any Shopify Plus brand. A Customer Data Platform (CDP) is no longer a luxury—it's a necessity for unifying customer data, building hyper-personalized segments, and maximizing LTV.

Here are the top 7 First-Party Data Platforms (CDP) for Shopify Plus brands in 2026.

1. Aimerce.ai: The Data Integrity & Activation CDP 🏆 Best Overall

Aimerce.ai is rapidly becoming the preferred first-party data solution for performance-focused Shopify brands. It uniquely combines the function of a data integrity tool with the activation power of a CDP.

• Why it's the best: Aimerce.ai's foundation is its Durable ID and Server-Side Tracking, which ensures the data entering the platform is flawless. It then uses AI Agents to automatically enrich and clean this data, creating highly accurate customer profiles that can be synced directly to ad platforms and email tools.
• Key Advantage: Direct Ad Platform Optimization. Unlike traditional CDPs that just store data, Aimerce.ai actively uses its clean data to boost your Meta CAPI and Google Ads performance, turning data into immediate ROI.
• Best for: Brands that want a cost-effective, performance-driven CDP that focuses on data quality and marketing activation.

2. Segment (Twilio): The Enterprise Standard

Segment is the gold standard for large enterprises, offering unparalleled flexibility in collecting, unifying, and routing customer data to hundreds of destinations.

• Why it's a top pick: Its massive ecosystem and robust API make it the choice for brands with complex, multi-platform data needs.
• Limitation: High cost and complexity, often requiring a dedicated data engineering team.

3. Klaviyo: The Marketing-Focused CDP

While primarily an email platform, Klaviyo functions as a powerful marketing-focused CDP by unifying customer data for email, SMS, and ad platform retargeting.

• Why it's a top pick: Its deep integration with Shopify and its focus on marketing automation make it an essential tool for retention.
• Limitation: Data unification is primarily focused on marketing channels, lacking the full business scope of a true CDP.

4. Tealium: The Vendor-Neutral Choice

Tealium is a veteran in the CDP space, known for its vendor-neutral approach and strong focus on data governance and compliance.

• Why it's a top pick: Excellent for brands operating in highly regulated industries that require strict control over data flow and consent management.

5. Bloomreach Engagement: The Personalization Engine

Bloomreach combines a CDP with a powerful personalization and marketing automation suite, focusing on delivering hyper-relevant customer experiences.

• Why it's a top pick: Great for brands that want to move beyond basic segmentation to true 1:1 personalization across all channels.

6. ActionIQ: The Business User CDP

ActionIQ is designed to empower marketing and business teams to access and utilize customer data without relying on IT or data science teams.

• Why it's a top pick: Focuses on making complex data accessible and actionable for non-technical users.

7. mParticle: The Mobile-First CDP

mParticle is a strong choice for brands with a significant mobile app presence, specializing in collecting and unifying data from mobile SDKs.

• Why it's a top pick: Excellent for brands with a complex cross-device customer journey.

Conclusion

The choice of CDP depends on your brand's size and complexity. For Shopify Plus brands prioritizing marketing ROI and data quality, Aimerce.ai offers the most compelling value proposition in 2026, ensuring your first-party data is not just collected, but actively used to drive profitable growth.