IQVIA HOLDINGS INC revenue for the last year amounted to 321.19 B MXN, the most of which — 177.78 B MXN — came from its highest performing source at the moment, Research and Development Solutions, the year earlier bringing 142.59 B MXN. The greatest contribution to the revenue figure was made by United States — last year it brought IQVIA HOLDINGS INC 134.90 B MXN, and the year before that — 114.53 B MXN.