Aptitude Software Group plc, together with its subsidiaries, develops, implements, and supports business critical software and related services in the United Kingdom and internationally. It provides software applications, which include Aptitude Accounting Hub, a finance software to centralize and automate enterprise finance, accounting, and reporting activities; Aptitude Revenue Recognition Engine, a specialist financial application, which connects existing general ledgers and source systems to empower enterprises; Aptitude IFRS 17 Solution, a solution to comply with IFRS 17 insurance standards; Aptitude RevStream, a cloud-based revenue recognition software; Aptitude Allocation Engine that controls cost allocations and customer profitability; and Lease Accounting Engine, a lease accounting software. The company also offers Aptitude Calculate, a calculation and rules engine; and Aptitude IFRS 17 Comply, a software solution that delivers compliance with flexible deployment options, including SaaS, private cloud, and on-premise deployment models. It licenses its software; and provides software maintenance/support, and software subscriptions for its cloud-based offerings, as well as implementation and solution management services. Aptitude Software Group plc primarily serves organizations with complex financial data and technology landscapes. The company was formerly known as Microgen plc and changed its name to Aptitude Software Group plc in April 2019. Aptitude Software Group plc was incorporated in 1981 and is headquartered in London, the United Kingdom.