The UK Space Agency Accelerator is a national growth programme for high-potential space founders, launched in 2021 and delivered through recurring cohorts and targeted support from pre-seed to Series A. Its Explore, Leo, Geo, Shuttle, Fusion, and Trajectory tracks combine mindset, funding, investor readiness, and ecosystem-building support; the Agency reports 289 founders accelerated, £102.2 million raised by alumni, and continued programme expansion in 2026.