Where Earth Meets Space: Actemium Spaceport Solutions

Actemium, part of the VINCI Group, provides end-to-end services for the design, construction, and operation of spaceport ground infrastructure.
With over 60 years of heritage at the Guiana Space Centre (Cegelec Space), we enable safe, efficient, and sustainable launch operations for institutional and commercial clients.

Our Expertise

• Fluidic Systems Engineering: Cryogenic & conventional propellant networks (LOX, LH₂, CH₄, He, N₂, air, water), pressure control, and environmental systems.

• Automation & Control: Integrated PLC/SCADA systems, safety interlocks, and telemetry for mission operations.

• Launch Infrastructure: Deluge, HVAC, energy, and mechanical systems (in cooperation with partners like MT Aerospace AG).

• Operations & Maintenance: 24/7 support, inspection, and system lifecycle management for launch and test facilities.

• New Spaceport Development: Feasibility, design, and integration of modular, mobile, and sustainable launch infrastructures.

Our Value

• 60+ years of launch-site heritage (Ariane, Vega, Soyuz)

• Proven turnkey capability — from design to operations

• Local partnership model leveraging VINCI’s global network

• Focus on safety, reliability, and sustainability

From concept to countdown — Actemium delivers the infrastructure that makes space access possible.