On 15th February  2013  the  employee  of  "Tanger" recruitment  company Lilith Tumasyan received a certificate upon  successful completion of a two-month course on "Management  of  the quality of service as a means to promote business and guarantee global competitiveness : Strengthening recruitment agencies in Armenia." A two-month training course was organized by the International Center for Human Development in the framework of the program  "Strengthening the research of the  labor migration management in Armenia," funded by EU.

Earlier, in July 2012 Lilith Tumasyan successfully completed training on "Technique of the effective sales and customer service," and received a certificate from a qualified consulting and training company "ARLIAN."