ISS A/S revenue for the last year amounted to 78.68 B DKK, the most of which — 30.67 B DKK — came from its highest performing source at the moment, Office-based, the year earlier bringing 30.65 B DKK. The greatest contribution to the revenue figure was made by Other — last year it brought ISS A/S 27.18 B DKK, and the year before that — 28.83 B DKK.