Victrex plc is a United Kingdom–incorporated, publicly listed advanced materials company specialising in high-performance PAEK and PEEK polymers engineered for demanding thermal, chemical, and mechanical environments. Within the European defence and dual-use context, its relevance lies primarily in the upstream materials layer that underpins lightweighting, durability, and scalable composite and additive manufacturing routes across aerospace and other mission-critical sectors. The company’s documented participation in EU collaborative research programmes evidences engagement with European innovation frameworks, while its UK domicile and China-linked industrial footprint introduce governance and de-risking considerations under EU defence instruments that embed establishment, control, and supply-chain constraints. The central policy question is therefore not whether high-performance polymers are strategically significant, but whether Victrex’s observable industrial and corporate configuration can support EU-procurable, resilience-aligned supply pathways at scale within evolving European autonomy architectures.