Newmark Security plc designs, manufactures, and sells electronic and physical security systems. It operates in two segments, People and Data Management, and Physical Security Solutions. The company's People and Data Management segment designs, manufactures, and distributes hardware and software access-control systems; and human capital management hardware for time-and-attendance, shop-floor data collection, and access control systems. Its Physical Security Solutions segment is involved in the design, manufacture, installation, and maintenance of fixed and reactive security screens, reception counters, cash management systems, and associated security equipment, as well as bullet resistant doors and partitions, security portals, customized asset storage and protection, cash and speech transfer units, counterterror and target hardening solutions, touchless security solutions, and other standard and bespoke physical products and services. This segment serves NHS; safety deposit centers and jewelers; education and local authorities; corporate buildings; stadia, leisure and hospitality sectors; retail, ATM, and petrol forecourts; government, police, and prisons; and data centers and utilities, as well as finance sector. It offers its products and services through security installers, systems integrators, software houses, and value added resellers in the United Kingdom, the Netherlands, Sweden, Belgium, and Ireland; the United States; the Middle East; and internationally. The company was formerly known as Newmark Technology Group PLC and changed its name to Newmark Security plc in September 2002. Newmark Security plc was incorporated in 1977 and is based in London, the United Kingdom.