Critical Software is an international information systems and software company, headquartered in Coimbra, Portugal. Critical Software was established in 1998, from the University of Coimbras business incubator and technology transfer centre Instituto Pedro Nunes (IPN). The companys headquarters are located in Coimbra, Portugal, with other Portuguese offices in Oporto and Lisbon, and subsidiaries around the world: Southampton and Yeovil (United Kingdom), Hanau, (Germany), California, (United States), São Paulo, (Brazil), Maputo, (Mozambique), Luanda, (Angola) and other locations. Critical Software trades across several markets including aerospace, space, defence, automotive, railway, telecoms, government, finance, energy & utilities and healthcare. Core competences include Embedded and Real-Time Systems, Command & Control, Integrated Logistic Support, Security and Infrastructure, Integration, Business Intelligence, Risk Assessment Management System and Independent Software Verification & Validation.