Diamir Consultancy is rated 3 out of 5 in the category computer software. Read and write reviews about Diamir Consultancy. Oracle EBS consultancy, education and support. This company was founded by Dik van Leeuwen a independent professional in the area of Oracle Financials release 11 and release 12. Companies can hire Dik or other Oracle specialists for implementation projects, specific enhancement projects or support on Oracle EBS.