Advent Technologies Holdings, Inc. revenue for the last year amounted to 4.86 M USD, the most of which — 4.24 M USD — came from its highest performing source at the moment, Fuel Cell Systems, the year earlier bringing 6.39 M USD. The greatest contribution to the revenue figure was made by Europe — last year it brought Advent Technologies Holdings, Inc. 3.29 M USD, and the year before that — 2.59 M USD.