ROSSLYN DATA TECHNOLOGIES PLC ORD GBP0.25 revenue for the last year amounted to 3.01 M GBP, the most of which — 2.41 M GBP — came from its highest performing source at the moment, Annual Licence Fees, the year earlier bringing 2.41 M GBP. The greatest contribution to the revenue figure was made by United Kingdom — last year it brought ROSSLYN DATA TECHNOLOGIES PLC ORD GBP0.25 1.53 M GBP, and the year before that — 1.64 M GBP.