INVESCO LTD revenue for the last year amounted to 4.00 B CHF, the most of which — 3.46 B CHF — came from its highest performing source at the moment, Investment Management, the year earlier bringing 4.03 B CHF. The greatest contribution to the revenue figure was made by Americas — last year it brought INVESCO LTD 3.69 B CHF, and the year before that — 4.31 B CHF.