Relevance. The relevance of this study is due to the fact that, at the moment, the protection of the rights of the parties in legal proceedings is not effective and or high quality. Purpose. The purpose of the work is to analyse the activities of the institution of representation in Kazakhstan, namely the legal profession. Methodology. A number of methods were used, including logical analysis, formal legal, dogmatic, legal hermeneutics, deduction, induction and others. Results. The norms regulated by the current legislation of Kazakhstan on the institution of representation were studied. This provided an opportunity to differentiate terms such as �defence�, �lawyer� and �legislative institution�, and such concepts were defined as the concepts of �lawyer�, �attorney� were defined. The foreign experience of countries in regulating the activities of a lawyer in criminal proceedings was reviewed, in particular in the USA, Great Britain, Germany, and France. This helped to conduct a comparative legal analysis of Kazakhstan�s experience with those listed above to highlight features, similarities, and differences. Conclusions. Kazakhstan has experienced a significant decrease in criminal activity and continues to develop its legal system. However, challenges persist in areas such as access to qualified legal representation, entry into the legal profession, and organization of legal services, indicating a need for improvements based on international best practices to enhance the country's legal institutions. Keywords: lawyer; institution of representation; problematic aspects; international practice; protecting people�s rights