CoStar Group revenue for the last year amounted to 2.22 B EUR, the most of which — 838.24 M EUR — came from its highest performing source at the moment, CoStar, the year earlier bringing 782.04 M EUR. The greatest contribution to the revenue figure was made by North America — last year it brought CoStar Group 2.14 B EUR, and the year before that — 1.97 B EUR.