Alten S.A. operates as an engineering and technology consultancy company in France, North America, Germany, Scandinavia, Benelux, Iberian, Spain, Italy, the United Kingdom, the Asia-Pacific, Switzerland, Eastern Europe, and internationally. The company undertakes projects for the technical, research and development, and information systems divisions of corporate, telecoms, and service clients. It also provides engineering services, such as mechanic and materials, data management, systems engineering and PDM, project management office, quality assurance, manufacturing, environment, health and safety, electronics; and construction infrastructure services. In addition, the company provides IT services comprising AMOA and business analyst; cybersecurity; artificial intelligence; application software; data management; green IT; embedded software; software testing and QA; and cloud and infrastructure services. It serves customers in aeronautics, space, defense and naval, security, automotive, rail and mobility, energy and environment, life sciences and health, banking, industrial equipment and electronics, finance and insurance, telecoms, retail, services, media, and public sectors and government services. Alten S.A. was incorporated in 1988 and is headquartered in Boulogne-Billancourt, France.