IQVIA, formerly Quintiles and IMS Health, Inc., is an American Fortune 500 and S&P 500 multinational company serving the combined industries of health information technology and clinical research. IQVIA is a provider of biopharmaceutical development, professional consulting and commercial outsourcing services, focused primarily on Phase I-IV clinical trials and associated laboratory and analytical services, including investment strategy and management consulting services. It has a network of more than 88,000 employees in more than 100 countries and a market capitalization of US$49 billion as of August 2021. As of 2023, IQVIA was reported to be one of the world's largest contract research organizations (CRO).