Leiden

Leiden is the fastest-growing biotech hub in the Netherlands, anchoring over 140 life science companies. Its Bio Science Park employs 15,000+ researchers and hosts a 30% higher density of biotech startups than the average Dutch city. The presence of Leiden University, ranked #1 in translational medicine nationally, drives a 20% annual increase in patent filings. Compared to Wageningen (#10), Leiden offers a more diversified pharmaceutical ecosystem, attracting €500M in venture capital in 2025—outpacing #9 but trailing behind Utrecht (#5). For startups needing wet-lab infrastructure, Leiden's per-square-meter lab costs are 25% lower than in Amsterdam.