Newmark Security plc designs, manufactures, and sells electronic and physical security systems in the United Kingdom, the United States, Belgium, Canada, the Netherlands, Mexico, the Middle East, Sweden, Switzerland, Ireland, and internationally. It operates in two segments, People and Data Management, and Physical Security Solutions. The 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. The Physical Security Solutions segment engages in the design, manufacture, installation, and maintenance of fixed and reactive security screens, reception counters, cash management systems, and associated security equipment. The company also provides manual attack and ballistic resistant cash counters, windows and moving security screens, bullet resistant doors and partitions, interlocking door airlocks, cash and speech transfer units, storage functions, security portals and revolving doors, integrated speed lanes, remote locking solutions, automatic door service and maintenance solutions, and physical security products and services, as well as customized solutions to protect staff and assets; and cash and asset storage, and protection solutions. It serves banking, retail, transport, infrastructure, healthcare, and other industries. The company was formerly known as Newmark Technology Group PLC and changed its name to Newmark Security plc in September 2002. The company was incorporated in 1997 and is based in London, the United Kingdom.