Castleton Technology Limited, an investment holding company, provides software and managed services to the public and not-for-profit sectors in the United Kingdom and Australia. It operates through Managed Services and Software Solutions segments. The Managed Services segment offers information technology (IT) infrastructure and support for businesses. The Software Solutions segment provides business processes to social landlords covering tenant engagement, rent collection, financial planning and control, document management, and repairs management, as well as integrated software solutions to the housing association sector. The company’s software solutions include AI, a solution for integrating Amazon Alexa services into current applications; Agile, a point of service delivery tool that is designed for field based workforce and customers and enables to complete forms, take photos, link to workflows, view documents, and others; CRM software for social housing sector; Electronic Document and Records Management (EDRM) software to access physical and electronic documents; and Financials, a finance system. Its software solutions also comprise Housing for managing arrears and raising repairs; P2P system, which allows suppliers to submit their invoices, and check the status of orders and invoices, as well as scheduled payment dates; Strategic Modelling, a time-based modelling solution for business leaders in the social housing sector; Castleton.DIGITAL software solution to build Web portals and apps; Community, a housing management solution; and Data Services to combat illegal subletting and validates data. The company was formerly known as Redstone plc and changed its name to Castleton Technology Limited in November 2013. The company was incorporated in 1997 and is headquartered in London, United Kingdom. As of June 4, 2020, Castleton Technology Limited operates as a subsidiary of MRI Software Limited.