Business Profile

GSTHREE is a national provider of security, cleaning, and labour hire solutions. As we are a multi-skilled organisation, we have the ability to integrate multiple services into one package offering a greater cost-saving to our clients whilst ensuring all operational components are adhered to and monitored through our online portal GS-Live. Further to this, we have an innovative app based platform which provides our clients access to all staffing information, site protocols, and other documentation. This system can be tailored to include client requisites and has the ability to further evolve in accordance to client requirements. We have worked on numerous government projects including rail, transport, construction and for major petrochemical clients. We are currently on one of the largest government transport projects in Australia.

Products and Services

  • Security Division:
  • Static Guarding
  • Crowd Control
  • Mobile Patrols
  • CPP Services
  • Concierge Services
  • Retail Shopping Centres
  • Commercial/Industrial Warehouses
  • Construction/Rail Site Protection
  • Electronic Surveillance Systems & Access Control
  • CCTV Installation
  • Security Training and Development
  • Cleaning Division:
  • Retail Shopping Centres
  • Commercial/Industrial Warehouses
  • Construction/Rail Sites
  • Office Buildings
  • Labour Hire
  • Specialising in Petrochemical & Metal Fab Services
  • Welders
  • Pipe Fitters
  • Boilermakers
  • Riggers


  • ASIAL Member
  • Supply Chain Sustainability School Member
  • ISO 9001:2015 Quality Management System
  • ISO14001:2015 Environmental Management Systems
  • AS/NZS 4801:2001 Occupational Health & Safety Management Systems

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Contact Details

Level 7, 109 Pitt St
Sydney NSW 2000
+61 2 9699 9999
ABN  27159679339
+61 13 0065 8650
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