CASE STUDY
WhatsApp Marketing and Newsletter: Go-Live in 4 Weeks – with Measurable Results from the Start
Together with Hair Haus, a leading retailer of professional hair cosmetics, we introduced a modern customer engagement platform in just four weeks as a specialized CRM and email marketing agency – including email marketing, a WhatsApp channel, full data integration and live campaigns that generated measurable additional revenue from the first week.
Starting point
Our client Hair Haus is an established retailer of professional hair cosmetics with a strong focus on private labels. The business model combines a B2B online shop with classic field sales – a setup that places special demands on CRM, email marketing and the entire marketing infrastructure.
The technical core: a custom-built B2B online shop by the agency Schwekas and a tailor-made ERP system. Off-the-shelf solutions rarely fit here.
Challenge
Lifecycle campaigns such as a welcome series or cart abandonment were completely missing – and every additional month without automated communication meant measurable lost revenue. At the same time, the custom tech stack placed high demands on any new platform.
The key challenges at a glance:
- Technical complexity: connecting a custom-built online shop and a custom ERP
- Time pressure: lifecycle campaigns had to go live as quickly as possible
- Future-proofing: in the long term, the setup should also be able to connect field sales
Our approach
Before configuring anything, we evaluated – thoroughly and together. In close coordination with the marketing and sales team, we gathered the requirements and assessed several CRM platforms.
The choice fell on Customer.io. The decisive reason: the platform comes with an integrated CDP and is extremely flexible when it comes to data integration. This meant that individual systems such as the shop by Schwekas IT and the custom ERP could be connected directly. And in the long term, the setup lays the foundation for connecting the sales CRM as well – an important step towards cross-channel CRM.
Implementation: what we delivered in just 4 weeks
The project thrived on close, structured collaboration with the agency Schwekas. Clear responsibilities on both sides and short decision paths ensured no time was lost.
What we delivered in 4 weeks:
- Definition of all data sources (ERP and online shop), online shop events and data mapping
- Setting up the Customer.io account including subdomain warm-up
- Creating an email master template
- Connecting the WhatsApp channel
- Building the lifecycle campaigns: welcome campaign, cart abandonment, browse abandonment and winback
- Complete technical data integration
- Go-live within 4 weeks of project start
Results
In the very first week after launch, the lifecycle campaigns generated measurable additional revenue – a direct result of consistent CRM and professional email marketing.
In addition, there is now a solid technical foundation the company can build on:
- Immediate revenue contribution through automated lifecycle campaigns from day one
- Scalable platform for further campaigns and automations
- Future-proof setup for connecting field sales later on
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