FIVE9 INC revenue for the last year amounted to 766.57 M CHF, the most of which — 766.57 M CHF — came from its highest performing source at the moment, Cloud Software, the year earlier bringing 720.22 M CHF. The greatest contribution to the revenue figure was made by United States — last year it brought FIVE9 INC 684.25 M CHF, and the year before that — 649.35 M CHF.