How can public procurement be made strategic, digital and legally sound? Johannes M. Jäger analyses “Dynamic Purchasing Systems” in EU law, comparing them with the UK’s innovative “Dynamic Markets”. The author examines the purpose, structure and practical challenges of both systems, highlighting their potential to enhance efficiency. Combining comparative legal analysis with an economic perspective, the study addresses procurement professionals, legal experts and reform-minded institutions. The author is a German lawyer (Rechtsanwalt) and bar-certified specialist (Fachanwalt) in procurement law, working at the intersection of administration, law and economy.