Case studies
Košík.cz uses Samba.ai: More efficient campaigns powered by customer data in Sklik
Higher conversion rate through automated scenarios and dynamic audiences
50% of budget shifted from retargeting to 1st-party customer lists
+20% higher data match rate in Sklik compared to Meta and Google
“Thanks to the close cooperation between our performance specialists and the Samba.ai team, we manage to effectively connect technical capabilities with deep knowledge of customer data.”
Filip Jeřábek
Performance Lead Manager, Košík.cz
Košík.cz
About Košík.cz
Košík.cz is one of the best-known online supermarkets in the Czech Republic. It offers a wide assortment of groceries, premium meats, fish, and fresh produce, all delivered right to customers’ doors. The brand builds its position on convenience, quality, and smart services that help it stay strong in a highly competitive market.
Challenge
Košík.cz wanted to take customer data utilization to the next level and make campaigns more efficient across channels. The goal was to go beyond basic retargeting towards deeper personalization and better connection of internal data with advertising platforms.
The main challenge was to ensure accuracy, unified communication, and smooth collaboration across marketing, analytics, and PPC teams.
Key challenges:
- Synchronizing large volumes of customer data,
- Connecting internal teams and processes,
- Moving away from cookie-based targeting to real users,
- Need for dynamic scenarios and quick data distribution into campaigns.
Solution
Košík.cz implemented the Samba.ai platform as the central hub for collecting, unifying, and activating customer data across channels. Through Samba.ai’s CDP, the marketing and analytics teams gained a single view of each customer and could easily create dynamic audiences based on real purchase behavior and engagement.
These audiences are automatically synchronized with Sklik, allowing Košík.cz to deliver personalized messages and optimize campaigns in real time. Samba.ai also powers automated marketing scenarios — for example, re-engaging inactive users or upselling frequent buyers — which update continuously as customer data changes.
“Our team brings know-how in the latest technologies and optimization practices in PPC platforms, while Samba’s team has an excellent understanding of both the system itself and our customer segments. Together, we are able to implement the best of both worlds – technical efficiency and data-driven approach.”
Filip Jeřábek
Performance Lead Manager, Košík.cz
Košík.cz
Results
Results
Implementing Samba.ai brought a major shift in how Košík.cz works with customer data. With more precise data matching and automated scenarios, the company optimized budgets, replaced traditional retargeting, and strengthened its brand relationships. Samba.ai also enabled easy integration with other platforms such as Meta, which, combined with advanced analytics, ensures sustainable top-level results.
- +20% higher data match rate in Sklik compared to Meta and Google
- 50% of ad spend allocated to customer lists instead of retargeting
- Higher conversion rate through dynamic user segmentation
- Accurate targeting of real users rather than cookies
- Automated personalization across platforms and scenarios
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