Alten is a holding company. Through its subsidiaries, Co. operates in three areas: Engineering and Technology Consulting (ETC), Telecoms Networks and Multimedia, and Information Systems (NTIS). Through the Engineering and Technology Consulting (ETC) segment, Co. studies and designs technology products for technical divisions in industry and telecoms. The Telecoms Networks and Multimedia segment focuses on Product design, Architecture, deployment, and operation of networks. Lastly, the IT systems segment comprises Applications and software development, and Infrastructure and Telecoms (Applications, systems and networks Corporate telecommunications).

ESKER and its subsidiaries are engaged in the design and production of software applications. Co. operates corporate resource access software such as applications and databases for workstations. Co. has three major product groups: Host Access, DeliveryWare and Fax Server. Host Access products allows users to access applications and databases stored on different servers from their own workstations. DeliveryWare responds to the need of companies for automatic management document delivery. Fax Server allows the user to send a fax directly from their workstation.

Pharmagest Interactive SA is a France-based company that develops and integrates management software packages for drugstores. The Company is engaged in the computerization of pharmaceutical dispensaries. Its flagship product is Integrated Portal Management Software, which provides pharmacists with permanent and immediate access to a range of online services and is used for the distribution of information and promotions for pharmaceutical suppliers and for pharmaceutical laboratories. In addition, the Company is engaged in the provision of maintenance services, technologies to manage medication compliance, as well as e-business solutions. It operates through Noviatek, Sailendra, Multimeds, British Caremeds and Axigate, among others.

Reworld Media SA is a France-based company engaged in the online information services sector. It specializes in publishing Internet sites for the general public dedicated to sustainable development. In addition, it develops and sells content and animations for Web portals and implements sensitization means and tools for companies and local administrations. The Company operates two Websites: Developpementdurable.com, which is engaged in the publishing of economic, social, environmental and political news, and GchangeTout.com, dedicated to products and services exchange between individuals. It has also developed a platform reworld.com, dedicated to sustainable development.

Roche Bobois SA, formerly Furn Invest SAS, is a France-based company operating in the furniture design and distribution businesses. It offers a broad range of made-to-order customizable designs, manufactured in small European workshops. The full furniture collection, divided in Living Room, Dining Room, Desks, Bedroom, Outdoor Furniture, and Other Products includes sofas, armchairs, cocktail tables, dining chairs, sideboards, beds, wardrobes, storage and accessories including lighting, cushions and rugs. The Company service offering includes Delivery, Financing, Warranty, Wedding Registry, Maintenance Guide, Catalogues, Interior Design and Online 3D (tridimensional) Planner. The Company operates through retail or franchising stores and owns more than 250 showrooms across the world. It is active in Europe, America, Africa, Asia and Middle East.