RELX, formerly known as Reed Elsevier, is a FTSE 100 diversified information and analytics company. The firm operates across four main areas: scientific, technical, and medical (34% of 2019 sales); risk and business analytics (29%); legal (21%); and exhibitions (16%). RELX Group has three listings: its primary one in London and two more in New York and Amsterdam.RELX PLC is an information content provider in the United Kingdom. Its published content is used by various organisations such as scientific, technical, and medical. The company generates its revenue from Scientific, Technical and Medical segment.