Case Study: Taniaksiazka.pl boosts VIP sales and customer loyalty with Synerise

A Synerise Case Study

Preview of the Taniaksiążka.pl Case Study

How Taniaksiążka.pl strengthened customer relations during Black Week

Taniaksiazka.pl, Poland’s largest online bookstore, needed a better way to engage a very large customer base across changing retail touchpoints, especially during Black Week. The company turned to Synerise and its AI Growth Ecosystem to support omnichannel communication, real-time segmentation, and personalized messaging across email, SMS, web push, and onsite channels for both registered and anonymous users.

Using Synerise, Taniaksiazka.pl ran a “Become a VIP” campaign with real-time customer segmentation and automated messaging flows tailored to active and inactive shoppers. The results were strong: the VIP segment grew by 5,000 people, daily VIP growth was 400% higher than before the campaign, average cart value for VIP customers increased by 10%, and VIP segment sales rose by over 350% during Black Week.


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Taniaksiążka.pl

Kamil Krysiuk

Marketing Automation Coordinator


Synerise

5 Case Studies