Introduction. The need for customs officers to acquire moral and legal competence is dictated by external and internal circumstances of professional activity. In the context of distance learning, the search for ways to effectively form moral and legal competencies of future customs specialists requires further consideration and study based on empirical research. The aim of the study is to analyze the effectiveness of training future specialists in customs on the Alta-Soft operator portal on the basis of developed criteria and indicators and to find ways to optimize the formation of moral and legal competencies in the context of distance learning. Materials and methods. In accordance with the competency approach, the method of inclusion of students in the professional community was applied using the customs portal of the customs operator company; analysis of the products of students' activities in the course of monitoring academic performance with the use of remote technologies; involvement of students - future specialists in customs affairs in the extracurricular activities for the development of disciplines “Declaration of goods and vehicles”; and “Workshop on electronic declaration” using training courses on the portal of the company of the Alta-Soft customs operator. The study was attended by 116 students of specialty 38.05.02 «Customs Business» of the Russian Academy of National Economy and Civil Service (Moscow), Belgorod State National Research University (Belgorod). Results. It was recorded: 70% of future customs specialists have mastered moral competences “above the basic level”; 75% of students have mastered legal competences “above the basic level”; 76% have mastered competence of the subject (professional) field of knowledge “above the basic level”. It has been revealed that distance learning contributes to the increase of educational and cognitive activity and independence in the acquisition of necessary competencies, but the role of the teacher is still important for students, the management of these processes seems necessary. Conclusions. The ways of solving the problem are seen in the use of interactive forms of training, wider use of the opportunities of the educational platform of the customs portal of the customs operator in the online in the format of activating in-house training of teachers on the development of information and communication technologies in the remote format of interaction with students.