VALTES HOLDINGS CO LTD revenue for the last year amounted to 10.36 B JPY, the most of which — 9.07 B JPY — came from its highest performing source at the moment, Software Testing Services, the year earlier bringing 8.21 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought VALTES HOLDINGS CO LTD 10.36 B JPY, and the year before that — 9.06 B JPY.