RICARDO PLC revenue for the last year amounted to 560.31 M EUR, the most of which — 145.66 M EUR — came from its highest performing source at the moment, Defense, the year earlier bringing 103.10 M EUR. The greatest contribution to the revenue figure was made by North America — last year it brought RICARDO PLC 196.17 M EUR, and the year before that — 162.22 M EUR.