Case Study: Ad Alliance achieves cookieless reach expansion (+30% reach, 92% accuracy) with 1plusX

Ad Alliance extends cookieless reach with 1plusX targeting boost

Ad Alliance, Germany’s leading advertising sales house representing 500+ media brands and reaching 99% of the population, needed to prepare for the post‑cookie era. Its first‑party audience data was fragmented across multiple silos, creating process complexity and limiting the ability to build and activate precise, cross‑media segments without third‑party cookies.

By partnering with 1plusX’s AI‑powered DMP, Ad Alliance unified disparate data, enriched audiences, and used lookalike modelling and quality thresholds to forecast and scale segments in real time. The solution increased reach for key targeting segments by up to 30%, delivered 92% accuracy in a Meetrics‑verified OTTO campaign, achieved up to 70% mobile coverage of German 20–39s versus 32% for run‑of‑network, and enabled reliable, cookieless ad delivery.

Ad Alliance