Insights

Defense Synergy CS Group’s strength in critical systems design and the recent MoU with EDGE to develop tactical communications and an integrated command system position it as a strong partner for defense and space agencies seeking secure, mission-critical IT and communications solutions. Sales angles include co-bidding with EDGE, pursuing sovereign capability projects, and expanding into space and cyber domains.

XR Training Opportunity The Motivate XR collaboration shows CS Group can turn dense technical manuals into AI-driven no-code XR training pipelines, enabling faster onboarding and safer operations. Potential sales use cases include immersive training for aerospace, defense, and industrial clients, with opportunities for recurring content creation and maintenance services.

Cloud Modernization EarthSelf's cloud deployment capabilities across providers highlight CS Group’s multi-cloud, user-friendly approach to cloud modernization for regulated industries. Target opportunities include cloud migration, deployment automation, and secure operations for defense, aviation, and critical infrastructure customers seeking faster time to mission.

Market Position CS Group emphasizes reliability, safety, and lifecycle maintenance of critical systems, making it well suited for clients requiring certification, high availability, and long-term support. Sales prospects encompass system integration, safety and compliance consulting, and managed services in aerospace, transport, and government sectors.

Partnerships & Funding Participation in EU funded programs and collaborations with aerospace and defense ecosystems enhances credibility and unlocks joint bid opportunities and innovation funding. Business development actions include identifying EU or national grants and positioning CS Group as a preferred end-to-end integrator for large critical-system programs.

CS GROUP Tech Stack

CS GROUP uses 8 technology products and services including CMake, Klaxoon, Lattice, and more. Explore CS GROUP's tech stack below.

  • CMake
    Build Automation
  • Klaxoon
    Communication And Collaboration
  • Lattice
    Human Resource Management System
  • WebSocket
    Miscellaneous
  • .NET
    Programming Languages
  • SystemVerilog
    Programming Languages
  • Rubrik
    Security
  • PrimeNG
    UI Frameworks

CS GROUP's Email Address Formats

CS GROUP uses at least 2 format(s):
CS GROUP Email FormatsExamplePercentage
First.Last@c-s.frJohn.Doe@c-s.fr
88%
FLast@c-s.frJDoe@c-s.fr
7%
Last.First@c-s.frDoe.John@c-s.fr
3%
FirstLast@c-s.frJohnDoe@c-s.fr
2%
First.Last@cs-soprasteria.comJohn.Doe@cs-soprasteria.com
86%
First.Middle@cs-soprasteria.comJohn.Michael@cs-soprasteria.com
14%

Frequently Asked Questions

Where is CS GROUP's headquarters located?

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CS GROUP's main headquarters is located at 22 Avenue Galilée le Plessis-robinson, Île-de-france 92350 France. The company has employees across 6 continents, including EuropeNorth AmericaAsia.

What is CS GROUP's phone number?

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You can contact CS GROUP's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is CS GROUP's stock symbol?

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CS GROUP is a publicly traded company; the company's stock symbol is CSSI.

What is CS GROUP's official website and social media links?

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CS GROUP's official website is cs-soprasteria.com and has social profiles on LinkedIn.

What is CS GROUP's NAICS code?

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CS GROUP's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does CS GROUP have currently?

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As of June 2026, CS GROUP has approximately 3K employees across 6 continents, including EuropeNorth AmericaAsia. Key team members include Cto / Directeur Technique: J. M.Chief Of Staff To The Ceo: B. R.Chief Information And Technology Officer: M. M.. Explore CS GROUP's employee directory with LeadIQ.

What industry does CS GROUP belong to?

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CS GROUP operates in the IT Services and IT Consulting industry.

What technology does CS GROUP use?

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CS GROUP's tech stack includes CMakeKlaxoonLatticeWebSocket.NETSystemVerilogRubrikPrimeNG.

What is CS GROUP's email format?

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CS GROUP's email format typically follows the pattern of First.Last@c-s.fr. Find more CS GROUP email formats with LeadIQ.

CS GROUP

IT Services and IT ConsultingÎle-de-france, France1001-5000 Employees

CS GROUP is a French IT services and IT consulting company headquartered at 22 Avenue Galilée, Le Plessis-Robinson, Île-de-France 92350, France, employing between 1,001 and 5,000 people. The company specializes in the conception, realization, deployment, and maintenance of critical systems, using innovative solutions and products to support the efficiency of operations and the safety of clients' mission-critical activities. Recent collaborations include a partnership with MOTIVATE XR announced in April 2026, as part of a European consortium to develop an AI-driven no-code pipeline that transforms dense technical manuals into interactive XR training procedures. It has been involved in aerospace and defense-related initiatives, such as participation in the International Paris Airshow 2025 and a memorandum of understanding with EDGE to develop tactical communications solutions. The company's technology stack includes CMake, Klaxoon, Lattice, WebSocket, .NET, SystemVerilog, Rubrik, and PrimeNG, and more information is available on its website at cs-soprasteria.com.

Section iconCompany Overview

Headquarters
22 Avenue Galilée le Plessis-robinson, Île-de-france 92350 France
Phone number
Stock Symbol
CSSI
NAICS Code
5415 - Computer Systems Design and Related Services
Employees
1001-5000

Section iconFunding & Financials

  • $1B$10B

    CS GROUP's revenue is estimated to be in the range of $1B$10B

Section iconFunding & Financials

  • $1B$10B

    CS GROUP's revenue is estimated to be in the range of $1B$10B

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