Fulldome UK is a non-profit organization that supports artists and researchers working in immersive dome environments by organizing fulldome festivals, screenings, and workshops. Its annual festival, FDUK, is a significant event in the global fulldome calendar, with the first edition held in 2010. The festival celebrates fulldome as an artistic medium, featuring film screenings, talks, demonstrations, workshops, and live immersive performances from leading artists and producers worldwide. Fulldome UK has also co-hosted international festivals and is part of the "Best of Earth Awards" coalition, which recognizes excellence in fulldome artistry.