PROS HLDGS INC. revenue for the last year amounted to 275.16 M EUR, the most of which — 212.03 M EUR — came from its highest performing source at the moment, Subscription, the year earlier bringing 190.65 M EUR. The greatest contribution to the revenue figure was made by United States — last year it brought PROS HLDGS INC. 96.95 M EUR, and the year before that — 91.90 M EUR.