The UK's hydrogen bus market is poised for substantial growth, with a projected market value of GBP 810 million by 2035 and a remarkable CAGR of 23.9% from 2025 to 2035. This growth is primarily fueled by the UK's commitment to sustainability, the need to decarbonize transport, and the rising demand for zero-emission solutions. The government's support and favorable policies have created a conducive environment for the transition from diesel buses to hydrogen-powered ones. Hydrogen buses play a crucial role in the UK's long-term public transport strategy, aiding in reducing air pollution and greenhouse gas emissions, aligning with the country's goal of achieving net-zero carbon emissions by 2050. The adoption of Proton Exchange Membrane Fuel Cells (PEMFC) stands out as the leading technology for hydrogen buses in the UK due to its performance, reliability, and efficiency, with ongoing advancements driving down costs. Investments in expanding the hydrogen refueling infrastructure, especially in high-demand areas like cities such as London, Birmingham, and Manchester, are vital for the widespread adoption of hydrogen buses. Government funding and policies like the Zero Emission Bus Regional Areas scheme support the procurement of zero-emission buses, aiding public transport operators and local authorities. The UK government's ambitious climate targets and financial assistance for purchasing hydrogen buses are expected to significantly boost the uptake of hydrogen buses in the market. Segmented by technology, power output, and transit bus models, the UK's hydrogen bus market offers a range of options catering to different operational needs, from short urban routes to long-distance services, thereby contributing to a cleaner and more sustainable public transport ecosystem.