Actemium Space – Powering the Launch Infrastructure of Tomorrow

Actemium, part of the VINCI Group, is a European leader in spaceport engineering and ground infrastructure integration.
With over 60 years of continuous heritage – notably through our subsidiary Cegelec Space at the Guiana Space Centre (CSG) – we deliver mission-critical systems for launch, test, and payload facilities worldwide.

Core Expertise

• Launch Pad & Ground Systems: Design and integration of cryogenic and conventional fluidic networks, deluge and cooling systems, power and control architectures, and launcher umbilical interfaces.

• Automation & Safety: PLC/SCADA control, process safety, and environmental protection compliant with ESA/CNES and European standards.

• Test & Qualification Facilities: High-pressure and cryogenic test benches (up to 200 bar), control-command systems, and real-time data acquisition.

• Payload & Satellite Facilities: Cleanrooms, fueling systems, safety installations, and operational support.

• Operations & Maintenance: Decades of 24/7 launch-site operations at CSG, including preventive maintenance and launch-campaign assistance.

Innovation & Sustainability

• Development of modular and mobile launch infrastructure for New Space and micro-launchers.

• Water-recycling and energy-efficient systems to reduce environmental footprint.

• Integration of smart monitoring networks and digitalized maintenance tools.

Collaboration Model

• Systems integrator leading multidisciplinary projects with trusted partners (e.g. mechanical structures with MT Aerospace AG).

• Decentralized execution, combining global expertise with local supplier development.

• Training and technology transfer to strengthen regional space ecosystems.

In essence, Actemium provides end-to-end ground infrastructure solutions – from concept to operations – built on proven engineering excellence, safety, and sustainability.