Particle Accelerator Limited, operating as ParticleX, is a tech-focused venture capital firm and startup accelerator based in Hong Kong. Its mission is to discover and support early-stage startups, particularly those in sectors like FinTech, Artificial Intelligence, Blockchain, and HealthTech. ParticleX provides seed funding, mentorship, and a strong network to help startups scale their operations. The firm emphasizes bridging the gap between startups in Hong Kong and the Greater Bay Area with the global technology ecosystem.