PROS HLDGS INC. revenue for the last year amounted to 319.13 M EUR, the most of which — 257.21 M EUR — came from its highest performing source at the moment, Subscription, the year earlier bringing 212.03 M EUR. The greatest contribution to the revenue figure was made by United States — last year it brought PROS HLDGS INC. 109.65 M EUR, and the year before that — 96.95 M EUR.