VALTES HOLDINGS CO LTD revenue for the last year amounted to 9.06 B JPY, the most of which — 8.21 B JPY — came from its highest performing source at the moment, Software Testing Services, the year earlier bringing 6.00 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought VALTES HOLDINGS CO LTD 9.06 B JPY, and the year before that — 6.71 B JPY.