Newmark Security Plc operates as an investment holding company. It provides electronic and physical security systems. The firm designs, manufactures and distributes physical security systems, electronic security systems, time and attendance and hosted event management systems. It operates through the following segments: Electronic Division and Asset Protection Division. The Electronic Division segment engages in the design, manufacture and distribution of access-control systems and hardware. The Asset Protection Division segment engages in the design, manufacture, installation and maintenance of fixed and reactive security screens, reception counters and cash management systems. The company was founded on March 25, 1997 and is headquartered in London, the United Kingdom.