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A major challenge for the protection of data, exchanges, and infrastructures

Meeting the challenges of cybersecurity and digital sovereignty

In today’s digital age, cybersecurity is a must for businesses. Faced with a constantly evolving digital threat, protecting data and infrastructures is becoming a strategic priority.


Backed by 30 years’ experience, CS GROUP is now a major player in cybersecurity, thanks to its sovereign solutions aimed at strengthening digital confidence.


CS GROUP teams are made up of multi-disciplinary experts who offer our customers a clear vision and a capacity for innovation in the creation of protection systems, implementation & integration of technological solutions.

An agile and innovative European ETI

With nearly 170 seasoned and certified experts and engineers, we help you protect your most critical infrastructures, data and systems, with a pragmatic approach tailored to your business challenges and projects.

CS GROUP designs, builds, deploys, maintains, and operates intelligent, safe, secure & inter-connected systems. These systems, based on innovative products and solutions, guarantee the efficient management and safety of our customers’ mission-critical operations in demanding markets.

A human approach with the resources of a giant, in 2023 Sopra Steria Group welcomed CS GROUP, and its cybersecurity offering, into their fold. This new dynamic will enable CS GROUP to deploy ambitious resources to meet your needs, while maintaining its personalized, customer-focused approach. As a result of this new collaboration, Sopra Steria will also be taking over responsibility for managed services.

A global offering from consulting to solutions integration and systems

Today, CS GROUP is the only French company to offer a global approach to consulting & auditing, solutions integration, and secure systems.

Sovereign solutions
Audit, consulting and support
IT & OT secure systems integration