Investment activities in the Republic of Kazakhstan are fraught with significant corruption risks, stemming from imperfect legislation and the intricacies of bureaucratic procedures involved in implementing investment projects. This article aims to investigate the role of the prosecutor's office in preventing corruption within the realm of private investment in Kazakhstan. To achieve this objective, an analysis of regulatory legal documents governing the prosecutor's office's mandate to safeguard the interests of private investors in Kazakhstan was conducted. Additionally, a content analysis of publications detailing successful cases of investor support within the prosecutor's office was undertaken. The study culminates in an evaluation of the effectiveness of this anticorruption mechanism as an alternative to the utilization of corrupt practices by private enterprises in their interactions with authorities.