Welcome To PSSI

Praesidium Security Services International (PSSI) is a leading private intelligence company specialising in advisory services to the corporate sector.

PSSI provides professional and high quality corporate advisory services in Australia for the commercial, retail, industrial and government sectors.

At PSSI, we have a strict code of ethics and are continually researching and developing new methods and services to help give our clients peace of mind by staying at the forefront of new technologies, trends and procedures.



Our Service