FIVE9 INC revenue for the last year amounted to 946.29 M CHF, the most of which — 946.29 M CHF — came from its highest performing source at the moment, Cloud Software, the year earlier bringing 766.57 M CHF. The greatest contribution to the revenue figure was made by United States — last year it brought FIVE9 INC 842.62 M CHF, and the year before that — 684.25 M CHF.