The Sustainable Livelihoods Foundation Impacts document provides a high-level, fully illustrated account of the multiple ways SLF has influenced research practice, engagement strategy and policy development over 13 years of operation, up until 2023. The document gives an overview of evidence-based methods that have been advanced and refined by the SLF team over many years, featuring the small area census and participatory visual approaches to involving affected communities in research. SLFs most cutting-edge endevours are highlighted, including the Cities Support Programme Township Economic Development initiative, ‘Bucket Loads of Health’ and the ‘Water and Fire’ project. The various communication strategies that have enabled SLF to achieve engagement with multiple sectors are outlined, along with an array of organisational achivements including multi-disciplinary collaborations and global partnerships. Prominent policy and development impacts are summarized along with key publications and powerful testimonials.