• The leaders in intelligence-led, risk managed services

    Our people drive our success

  • Our people drive our success

    We encourage our staff through high quality training

  • Going the ‘extra mile’ for our customers is second nature to us

    It is what we do

  • We care passionately about our industry

    Raising standards in security since 1997

Welcome to GSTS

Welcome to GSTS, we are a fully licensed and accredited supplier of uniformed security officers, close protection, bespoke training and consultancy services.

With a senior management team comprising of former members of the British Army and civilian police, honesty and integrity are at the very heart of everything we do.

We have secured the most rigorous quality assurance and training benchmarks available in our industry including ISO 9001, the corporate management standard. We are also an Approved Contractor (ACS) with the Security Industry Authority (SIA) as well as being proud signatories to the armed forces covenant.


For specific news on training courses please go here.


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GSTS is SIA Approved for the provision of Manned Guarding, Door Supervision and Close Protection Services.

You can view our Quality Policy here.