Global GROUP Security Services Limited is a well-established security company unsurpassed in terms of its professionalism and reliability. Global Group Security provides everything you should expect from a security company and more. Security Systems Global Group Security uses superior technology systems to ensure that their clients receive the most effective and efficient security services. Security Personnel Global Group Security specialises in supplying permanent and temporary security personnel across a range of industries. At Global Guarding, our security personnel are trained to deliver high quality security services.