Alten S. A. operates as an engineering and technology consultancy company in France, North America, Germany, Scandinavia, Benelux, Spain, Italy, the United Kingdom, the Asia-Pacific, Switzerland, Eastern Europe, and internationally. The company undertakes design and research projects for the technical and information systems divisions in the industrial, telecommunications, and service sectors.
It offers engineering, and research and development outsourcing services, such as digital transformation; product design and development; manufacturing engineering; supply chain and quality; customer service and training; and project and change management services. The company also provides IT services comprising consulting and digital transformation; technical services for digital, big data, data science, and artificial intelligence; development, maintenance, and testing of applications; and cloud, and networks and security infrastructure services. It serves customers in aeronautics, space, defense and naval, security, automotive, rail, energy and environment, life sciences, banking, finance, insurance, telecoms and media, retail and consumer services, and public sectors.