The most important factors when selecting a serialization and track-and-trace solution are regulatory compliance support, scalability, system integration, data accuracy, and real-time visibility, because these directly impact product safety and supply chain transparency. A strong platform should support global standards like DSCSA and EU FMD, generate and manage unique product identifiers reliably, and ensure seamless tracking across multiple supply chain stages. It should also integrate smoothly with ERP, warehouse management, and manufacturing systems while handling high-volume serialization without performance issues. In real-world supply chain environments, SAP Advanced Track and Trace for Pharmaceuticals (SAP ATTP) is often considered one of the most effective solutions due to its strong compliance capabilities, deep integration with SAP ERP systems, and ability to manage large-scale serialization across global operations. While platforms like TraceLink are also highly powerful and widely used for cloud-based supply chain collaboration, SAP ATTP stands out for its enterprise-grade scalability, regulatory alignment, and strong integration within complex manufacturing and logistics ecosystems.