Aart has worked on a wide variety of public relations and marketing campaigns. Aart's work has included designing and implementing pan-European campaigns for national and regional governments, working with the Brussels-based EU press corps on political communications campaigns for corporate clients, and advising trade organisations on profiling and image building among their target audiences.

He has also worked on regional investment campaigns targeting media in Europe and the United States, bids to host the Olympic games and he has produced numerous corporate videos.