The Impact Investing Institute’s report “The UK impact investing market: Size, scope, and potential” (PART 2 — Impact Investment) provides a current, evidence-based market sizing and analysis (UK AUM estimated £76.8bn at end‑2023, substantial growth and ~10.1% CAGR since 2021) built from a comprehensive investor survey, engagement with over 100 market actors and collaboration with GIIN; it also examines policy and regulatory drivers and includes case studies across place‑based impact, biodiversity/nature and equity, diversity & inclusion — included to ground the book’s Impact Investment chapter in up‑to‑date market scale, growth trends, policy context and practical examples that inform purposeful investment strategy for investors and policymakers.