Catenae Innovation Plc, together with its subsidiaries, provides multimedia and technology solutions primarily in the United Kingdom. It exploits intellectual property and holds licenses; and financial technology and media publishing solutions. The company offers COV-ID, a mobile application that contains a securely encrypted digital wallet, which provides demonstrable proof of an individual's Covid-19 status; OnSite WorkID, a digital wallet that allows the service provider to prove their identity and status to a third party; OnSite HospitalityID, a mobile application that collects and stores customers details on each visit; OnSite TaskManager, a mobile management, inspection, and reporting solution; and OnSide, a centralized management tool for sporting organizations that deals with all the key elements of coaching from scheduling of staff and timesheet processing. It also provides Sequestrum, a blockchain service that creates a permanent record of assets or transactions and provides the ability to act and report on activity relating to those assets or transactions. The company was formerly known as Milestone Group plc and changed its name to Catenae Innovation Plc in March 2018. Catenae Innovation Plc was incorporated in 2003 and is based in London, the United Kingdom.