Realising Enabling Architectures and Solutions for Open Networks (REASON) is the UK's flagship 6G research initiative, backed by a £12m DSIT grant. This collaborative project unites 16 partners from higher education and the telecoms industry, fostering innovation within the telecommunication R&D supply chain. As a key player in the Future Open Networks Research Challenge, REASON develops cutting-edge technologies and solutions for 6G networks. Guided by a comprehensive roadmap, the project leverages AI techniques to advance network-edge and network-wide automation, ensuring end-to-end service optimisation. REASON is at the forefront of transforming the telecommunication landscape with its collaborative, forward-thinking approach.