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News
•17 December 2025••

Proposed acquisition of Starion and Nexova, European specialists in space systems engineering and cybersecurity

Paris, 17 December 2025, 5:45 p.m. – Sopra Steria (Euronext Paris: SOP), a major tech player in Europe, has announced that it is in exclusive negotiations with a view to acquiring Starion and Nexova on behalf of its subsidiary CS Group. This acquisition aims to create a leading European operator in secure, sovereign digital services...
•8 December 2025••,

LFA 2025: 60 years of fuzzy logic and the future of uncertainty theories

The Francophone Meetings on Fuzzy Logic and its Applications (LFA) once again brought together academic and industrial researchers in Clermont-Ferrand on November 6-7, 2025. This flagship event of the Francophone community provided a platform to share the latest advances in uncertainty theories, far beyond the original scope of fuzzy logic. A celebrated scientific legacy This...
•6 October 2025••

The change reaction begins together at the World Nuclear Exhibition

Let’s meet at the World Nuclear Exhibition (WNE) – booth N029 / Parc des Expositions – Hall 6 – Villepinte PARIS As a key partner to the nuclear sector, Sopra Steria relies on its subsidiaries CS GROUP, a specialist in critical systems, and CIMPA, a PLM expert. Together, they cover the entire value chain, from...
•16 September 2025••,

CS Research Lab at FUSION 2025 conference

the CS Research Lab had an incredible presence at the 28th International Conference on Information Fusion (FUSION 2025), held in Rio de Janeiro (Brazil) from July 7-12, 2025 During the confercence the Lab prestented various Papers : « Real-World Validation of Drone Anomaly Detection Using Evidential Networks » presented by Pierre Pathé, co-authored by Anne-Laure...
•10 July 2025••,

Partnership between the CS Research Lab and the Centre de Recherche de l’École de l’Air et de l’Espace (CRÉA)

This partnership follows the signing of a letter of intent between CRÉA and CS GROUP at the 2025 Paris Air Show, which was signed between General Pierre Real and Pierre Lopez to conclude a Framework Agreement for Scientific Cooperation. At the initiative of Colonel Jacques Raout (Project Manager at CRÉA), Annie Leroy (Senior Lecturer and...
•8 July 2025••

CS has been selected by ESA for developping the EO Virtual Constellation (SensorWeb) concept

In the field of Earth Observation, the demand for real-time decision-making capabilities, combined with the need to optimize data acquisition and transmission, has sparked significant interest in onboard intelligence. Artificial Intelligence (AI) empowers the new generation of smart satellites and software-defined missions, enhancing their autonomy and reconfigurability. Notably, the ability to run Machine Learning (ML)...
•8 July 2025••

Sopra Steria, through its subsidiary CS GROUP, and the École de l’air et de l’espace join forces to structure tomorrow’s aerospace researc

Paris, June 17, 2025 – Sopra Steria, a major player in European tech, announces the signing of a letter of intent with the École de l’air et de l’espace (EAE) to enter into a Framework Agreement for scientific and technical cooperation. The aim of this collaboration is to strengthen joint research into information systems, artificial...
•8 July 2025••

Sopra Steria and the French Ministry of Defence join forces to support SME access to defence markets

Paris, June 23, 2025 – Sopra Steria, a major player in European tech, announces the signing of a structuring agreement with the French Ministry of the Armed Forces. This agreement aims to strengthen the integration of SMEs, ETIs and startups in defense markets by establishing a more balanced partnership between industrial prime contractors (MOI) and...
•8 July 2025••

EDGE and CS Group Sign MoU to Collaborate on Tactical Communications Project

Abu Dhabi, UAE: 23 June 2025 – EDGE, one of the world’s leading advanced technology and defence groups, and CS Group – part of Sopra Steria, the European tech leader – specialising in the design, development, and implementation of tactical communication solutions and information systems, have signed a Memorandum of Understanding (MoU) to collaborate on...
•20 June 2025••,

CS GROUP and HEXAGON sign a distribution partnership around ProLB at Paris Airshow

The announcement was made at the Paris Airshow (Le Bourget) on the Hexagon booth, where CS GROUP and HEXAGON officially signed a strategic distribution partnership for ProLB, the next-generation CFD solution based on the Lattice Boltzmann Method (LBM). The signing followed a presentation of the software by Airbus and took place in the presence of...
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