IQVIA, formerly Quintiles and IMS Health, Inc., is an American multinational company serving the combined industries of health information technology and clinical research. It is a provider of biopharmaceutical development and commercial outsourcing services, focused primarily on Phase I-IV clinical trials and associated laboratory and analytical services, including consulting services. It has a network of more than 70,000 employees in more than 100 countries. As of 2019, IQVIA was reported to be one of the world's largest contract research organizations.
In 1982, Dennis Gillings founded and incorporated Quintiles Transnational in North Carolina. Quintiles Transnational established Quintiles Pacific Inc. and Quintiles Ireland Ltd. in 1990. In 1991 Quintiles GmbH was established in Germany and Quintiles Laboratories Ltd. was established in Atlanta, Georgia. In September 1996, Quintiles purchased Innovex Ltd. of Britain for $747.5 million in stock. Quintiles went public in 1997 and completed a successful secondary stock offering.
Over the course of 2016, concluding on October 3, Quintiles underwent a $17.6 billion merger with IMS Health, becoming QuintilesIMS. As a result of the merger, the OneKey worldwide healthcare professionals database developed by Cegedim Relationship Management became part of QuintilesIMS.
In November 2017, the company adopted the new name of IQVIA, and changed its ticker symbol on the NYSE from Q to IQV.