As said at how to register a security Company in PSIRA
The process of registration with PSIRA involves submission of the registration fee and giving an exam. Once the exam has been cleared and no criminal record against you is established, PSIRA will assess if the business meets the infrastructure requirements or not. This assessment will also require a fee.
All applications for registration are submitted in the Registration division of PSIRA.
Read more about this at “Registering a security company in PSIRA“.