UBM plc was a British business-to-business (B2B) events organiser headquartered in London, England, before its acquisition by Informa in 2018. It had a long history as a multinational media company. Its main focus was on B2B events, but its principal operations included live media and business-to-business communications, marketing services and data provision, and it principally served the technology, healthcare, trade and transport, ingredients and fashion industries. UBM was listed on the London Stock Exchange and was a constituent of the FTSE 250 Index.

Livestreaming, live-streaming, or live streaming is the streaming of video or audio in real time or near real time. While often referred to simply as streaming, the real time nature of livestreaming differentiates it from other forms of streamed media, such as video-on-demand, vlogs, and YouTube videos.