Celeres

Celeres

Barcelona, Spain

SpaceC4ISRDefense Software & AIDual-use
Founded 1987Prime Contractor, System Integrator
Profile last updated: October 31, 2026

About

Founded in 1987, Celeres is a defense prime contractor based in Barcelona, Spain working in space, c4isr, defense software & ai.

Celeres, formerly GTD Space & Security, designs, integrates, operates and maintains software and systems for critical space, defence, transport and public sector missions. Its work covers launch control and telemetry, flight software, mission operations centres, flight safety and ground infrastructure for European spaceports, including Kourou, Andøya and Esrange. The company is prime contractor for several Ariane 6 and Vega-related systems and works with CNES, ESA and Arianespace. Its defence and security business protects military sites and infrastructure for the French Ministry of the Armed Forces, covering design, deployment, training and maintenance of security and IT systems. Headquartered in Barcelona with offices across Europe, the company was founded in 1987 and was carved out with Latour Capital as majority shareholder.

Location

Barcelona, Spain

Founded

1987

Focus areas

spacelaunch systemsflight softwaremission controldefence and securitycritical infrastructurespaceports

Languages

ENESFR

Products & capabilities

Defense domains

SpaceC4ISRDefense Software & AI

Supply-chain role

Prime ContractorSystem IntegratorSoftware Developer

What they offer

SoftwareEngineering ServicesMaintenance & Repair

Markets

Also sells to civilian markets

Products

SIBILA AI inference engine

Onboard AI software

On-board AI solution using edge computing for in-orbit anomaly detection, prioritisation and compression of satellite data.

SCETM

Launcher telemetry system

Multi-launcher telemetry system for real-time launcher telemetry across operator workstations, extended for LEO payload separation display.

i-CDO

Operations centre system

New generation launch and mission operations centre unifying IT operational systems for spaceport campaigns.

Ground Autonomous Flight Termination System

Flight safety system

Autonomous flight safety system for reusable launchers, developed within the SALTO project.

MaiaSpace control bench

Launch control system

Transportable control bench and control command architecture for the MaiaSpace microlauncher.

Standards, platforms & customers

Platforms & programmes

Ariane 6Ariane 5VegaSoyuzLunar GatewayCSG-NGMaiaSpace

Named customers

ArianespaceCNESESAFrench Ministry of the Armed ForcesMaiaSpace

People

Management & team (3)

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