Integral Ad Science Holding Corp. revenue for the last year amounted to 474.37 M USD, the most of which — 224.47 M USD — came from its highest performing source at the moment, Optimization (Programmatic), the year earlier bringing 190.61 M USD. The greatest contribution to the revenue figure was made by United States — last year it brought Integral Ad Science Holding Corp. 310.82 M USD, and the year before that — 264.17 M USD.