SERCO GROUP PLC revenue for the last year amounted to 5.22 B CHF, the most of which — 2.61 B CHF — came from its highest performing source at the moment, United Kingdom and Europe, the year earlier bringing 2.35 B CHF. The greatest contribution to the revenue figure was made by United Kingdom — last year it brought SERCO GROUP PLC 2.00 B CHF, and the year before that — 1.92 B CHF.