Department for Business, Energy and Industrial Strategy.
Department in charge of putting together the policy that affects business, industry, research, innovation, energy and climate change. BEIS existed until 2023 when it was split to form the Department for Business and Trade (DBT), the Department for Energy Security and Net Zero (DESNZ) and the Department for Science, Innovation and Technology (DSIT). Responsibility for national security and investment policy has gone to the Cabinet Office.