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About PSSI
Welcome to Praesidium Security Services International (PSSI)

Praesidium Security Services International (PSSI) is a proudly owned and staffed Australian company. No matter what you need, we provide security with professionalism, discretion and quality of service. Whether you need Sydney Security Guards, Construction Site, Retail Guards, static guards, emergency security guards, construction site security officers, event security and more, contact us today and see what sets us apart from the rest.

We offer a comprehensive selection of bespoke security services to ensure we meed our clients’ security needs at all times. Our executive management team come from a diverse background of industries ranging from counter intelligence, military, policing, retail and sales, and bring to PSSI their qualified expertise in the security, retail and executive protection fields. We have all relevant licensing and insurances and abide by Work Health and Safety and Environmental Policies and procedures. Below are a list of some of our services:

  • Static Guards
  • AGM Security Services
  • Concierge
  • Building Security
  • Gatekeepers
  • RSA Marshalls
  • Shopping Centres
  • Retail Loss Prevention
  • Construction Site Security
  • Event Security
  • CCTV Systems
  • Electronic Security and Alarms
  • Access Control

10 Years Of Experience
Our History

Some of the worlds largest companies entrust us with their security needs. Our goal is to secure you, your staff, your visitors, and your premises at all times while ensuring exceptional customer service.

All our security officers undergo thorough background screening and training and are supervised at all times. Our availability is 24 hours a day, 7 days a week. Contact us for Security Guards in Sydney, Construction Site Security Guards, Retail Static Security Guards on 1300 00 PSSI (7774) for a quote.

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  • 2023
    PSSI expands its mobile patrol and monitoring services.
  • 2023
    PSSI expands security services to the Pharmaceutical Industry.
  • 2020
    PSSI moves into larger Sydney Olympic Park offices.
  • 2016
    PSSI expands its security services to multinational energy providers.
  • 2015
    PSSI is commissioned to provide security services by a Global Beverage Company
  • 2015
    PSSI moves into new Parramatta offices.
  • 2014
    PSSI Established.