Customer Data Platform Implementation for an FMCG Brand — First Party Data Strategy Post-Cookie

"We went from having no customer data to having a first-party audience that outperforms anything we had bought from third parties. The cookie deprecation was the best thing that happened to our marketing strategy."

— VP Consumer Marketing, FMCG Consumer Brand

We had been relying on third-party data from our retail partners and cookies for our digital marketing. When it became clear that both were going away, we had a very uncomfortable realisation: we did not own any customer data. We sold through retailers. We had product data, transaction data, and media data — but no customer relationships.

Building first-party data from a standing start for a brand that sells through retailers rather than direct to consumers required creating a reason for consumers to share data with the brand directly. Without a compelling value exchange — loyalty, personalisation, exclusive content — consumers had no reason to register with the brand.

We designed a value exchange architecture: what could the brand offer consumers that was worth a registration? This produced a combination of a loyalty programme, personalised recipe and usage content, a product registration system with warranty benefits, and a consumer community platform. Each mechanic was designed to capture first-party data as a by-product of delivering genuine value.

We implemented Adobe Real-Time CDP as the foundation, connected to the loyalty programme, content platform, and product registration system. Identity resolution connected anonymous web visitors to known customers as they registered. The CDP fed Adobe Target for web personalisation and Adobe Journey Optimizer for email communications.

First-party database grew from zero to 2.4 million registered consumers in 18 months. Email became the highest-ROI digital channel within 12 months. Media spend efficiency improved by 34% as first-party audiences replaced third-party segments in paid media.

Is this familiar?

Adobe Experience Cloud challenges in Manufacturing — what we see most often

The deprecation of third-party cookies is not a technical problem — it is a business model problem for brands that have relied on third-party data for audience targeting. For FMCG and CPG brands that sell through retailers, it exposes a structural gap: no direct consumer relationship and therefore no first-party data to replace what third-party data provided.

Building first-party data at scale requires designing a value exchange that gives consumers a reason to register with the brand directly. Loyalty programmes work. Personalised content works. Warranty registration with genuine benefits works. Generic email sign-up forms do not.

Celumai designs first-party data strategies and implements the CDP architecture to execute them for FMCG, CPG, and retail brands.