viagogo is an online ticket exchange for buying and selling live event tickets. Established in August 2006, the company is now Europe’s largest online ticket marketplace operating local language websites in 26 countries with headquarters in London. viagogo is backed by the venture capital investment firm Index Ventures.
SFX Entertainment is an American media conglomerate founded by media entrepreneur Robert F. X. Sillerman. Formed in June 2012, the company focuses on the electronic dance music industry. Its holdings include ownership of various major EDM promoters , Electric Zoo, Stereosonic, Voodoo Experience, and a 50% stake in Rock in Rio among others), several nightclubs in the Miami area, the online music store Beatport, and several music-oriented web development firms. The company went public on the NASDAQ in October 2013.