CS Communication & Systèmes
| Company type | Public |
|---|---|
| Industry | Information technology services |
| Predecessor | Communication & Systèmes (CS) |
| Headquarters | Paris , France |
Area served | France, Germany, Romania, Canada, UAE, India, United States |
| Products | Information systems design, software creation and integration, project oversight, industrial applications deployment, scientific and technological consulting, traffic management solutions, cybersecurity products and services |
| Owner | Publicly traded company |
Number of employees | ~2,000 |
CS Group, previously known as Communication & Systèmes (CS), is a French information technology services firm publicly traded on the Paris Bourse and included in the CAC Small index. The company focuses on the design of information systems, software creation and integration, project oversight, and deployment of industrial applications. Additionally, it provides expertise in scientific, technological, and consulting domains. CS Group holds the position of the third-largest worldwide provider of traffic management solutions and delivers information technology consulting services.
With its main office located in Paris, CS Group maintains 12 other sites throughout France and operates regional branches or subsidiaries in Germany, Romania, Canada, the UAE, India, and the United States. The workforce numbers close to 2,000 employees.
Defense, space and security
CS Group offers command and control information systems encompassing:
- Operations command information systems: facilitating air and naval defense, homeland security initiatives, and intelligence operations
- Space systems: covering flight dynamics analysis, space monitoring, and environmental protection
- Information and communication systems security: including simulation technologies, virtual reality applications, electronic warfare capabilities, and mission-critical system support
- Security consulting: providing auditing services, assistance, and risk assessment
- Drone detection/neutralization: the Boreades system enables centralized monitoring to detect, identify, track, neutralize, and recover light drones
- Products: such as Prelude Hybrid IDS (a SIEM solution), Vigilo (network monitoring tool), PKI, time stamping services, and archival solutions
The subsidiary Diginext specializes in developing tactical data link technologies, simulation and virtual reality tools, navigation and geolocation systems, electronic warfare products, as well as mission-critical information platforms.
Aeronautics
CS Group supports aircraft manufacturers by supplying embedded systems and engine components while delivering product lifecycle management solutions along with simulators and testing services.
Energy
In the fields of nuclear safety and radioactive waste handling, CS Group designs advanced simulators alongside dedicated scientific software. The company has contributed to simulator platforms for nuclear power facilities including EDF’s specialized training simulators.
CS INDIA Bangalore
Founded in 2011, CS Group India Private Limited provides engineering services tailored to aircraft engine producers. Globally, CS Communication & Systèmes develops, integrates, and operates systems offering command information solutions for armed forces including air defense, naval operations, homeland security, intelligence gathering, and logistics management. Its space-related offerings cover ground segment operations, flight dynamics modeling, space surveillance tasks, and environmental safety measures. Cybersecurity services include audits, consulting engagements, secure architecture design, authentication processes, and cyber defense mechanisms.
CS India distributes Diginext’s portfolio comprising tactical data links; simulation and virtual reality systems; navigation; geolocation; electronic warfare; plus mission-critical information system solutions. It also delivers digital design tools such as high-performance computing (HPC), simulation products, digital mock-ups (DMU), enterprise content management (ECM), product lifecycle management (PLM) services along with simulators for engineering development, training purposes, and maintenance activities.
The company provides embedded systems including NSS (Navigation Surveillance Systems), FWS (Flight Warning Systems), FADEC (Full Authority Digital Engine Control), ATC/ATM (Air Traffic Control/Air Traffic Management), cockpit display units; along with engineering development support covering integration, maintenance operations, testing procedures, and certification across aerospace, automotive, energy sectors as well as mobile telephony and railway industries. Nuclear safety offerings encompass waste management assistance, safety analysis studies, crisis center operations support alongside supervision functions involving command and control. Additional capabilities include technical information systems designed to meet production constraints; encryption-based security solutions for networking hardware; identity verification; secure transaction handling; data confidentiality assurance; application flow protection; rights management frameworks; plus integrated radio-telephone-intercom communication services.
CS Inc
Established in 2015 and based in East Hartford, Connecticut, CS Group Inc caters to American clients such as Pratt & Whitney and Triumph Engine Controls. The US division comprises more than 25 experts, including software developers, design engineers, and IPT leaders, specializing in Aircraft Engine design and Software Testing compliant with DO-178B standards. CS Inc has been involved in commercial engine projects like the PW1100 for the Airbus A320 Neo, the PW1500 for Bombardier’s CS series, and the PW1900 for Embraer E-jets. Additionally, the company has introduced a military segment aimed at entering the defense engine sector.
Other activities
CS Group is also the developer of ProLB, a computational fluid dynamics tool based on the Lattice-Boltzmann approach. ProLB delivers precise aeroacoustic and aerodynamic simulations of weakly compressible flows by employing sophisticated turbulence models such as Large Eddy Simulations.
| Year | € (million) |
|---|---|
| 2008 | 221.7 |
| 2009 | 205.6 |
| 2010 | 194.8 |
| 2011 | 204.4 |
| 2012 | 172.8 |
| 2013 | 162.0 |
| 2014 | 133.1 |
| 2015 | 133.3 |
| 2016 | 130.6 |
| 2017 | 129.2 |
| 2018 | 141.3 |
| 2019 | 230.0 |
| 2020 | 209.3 |