TSSI Systems Ltd. engages in the design, manufacture, integration, implementation, and support of biometric and document security products, and passport readers. The company offers door controllers; OpVantia, a machine readable document security thread that is embedded into the body of paper at its production stage; full page passport and document readers; enVisionPro, a Windows-based software suite with a SQL server database for the production, branding, and management of standard sized plastic cards; and access control readers. It also provides document inspection devices; audio-video door entry systems; ePassport readers; ID cards software and printers; and ID cards. The company was founded in 1986 and is based in Swindon, the United Kingdom. TSSI Systems Ltd. is a former subsidiary of Scipher plc.