In the field of customs and taxation, a well-functioning national system of taxation and customs, is not possible without specialists of the private sector. Specifics, of how tax and customs system functions, are attributed to the nature of interaction of the public and private sector, thus, linking national authorities and other stakeholders in concerted action. One of the most important aspects of education should be coordination of knowledge and qualification between the tax and customs experts, tax consultants and customs clearance agents and brokers, working in the public and private sector. The aim of the paper is to promote discussion on professional operational aspects of tax and customs clients and consultants as well as the role of the education system in these matters. Research based on comparative analysis of literature and practical experience of custom education institutions. As main result of the paper the generalized approach for satisfaction of training needs for joint tax and customs administration worked out and proposals on the improvement of training system offered.