Initial Situation
ONNI® Products GmbH, a German company known for premium lifestyle and consumer products, planned a special campaign for Black Week.
The goal: maximize revenue and leverage WhatsApp as a direct conversion channel – without relying on expensive ads or crowded email inboxes.
Solution: Black Week Campaign with Chatarmin 🖤
With Chatarmin, ONNI® executed a WhatsApp campaign built on relevance, personalization, and cost efficiency:
- Shopify integration for precise product recommendations and automated tracking.
- High reach and engagement thanks to WhatsApp messages with outstanding open rates.
- Efficiency: no markup on Meta costs and full transparency on ROI.
Results
The Black Week campaign exceeded all expectations:
- €10,527.99 revenue via WhatsApp 💰
- €349.86 WhatsApp costs
- 30.1X ROWAS 🚀
- 72.2% open rate 📬
- €104.24 AOV 📦
- €3.21 revenue per recipient 👥
Conclusion
The ONNI® Black Week campaign demonstrates that WhatsApp is one of the most efficient and profitable channels for sales campaigns.
Thanks to Chatarmin, ONNI® achieved record-breaking revenue with minimal costs, maximum reach, and a 30.1X Return on WhatsApp Spend.
👉 Want to see how your brand can use WhatsApp as a revenue driver?
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