Space & Security
At GTD, we design, integrate, and operate critical systems for the space sector, combining 38 years of experience with cutting-edge innovation. Our expertise covers the full project lifecycle — from system design and software development to ground operations and maintenance — ensuring mission success for our clients worldwide.
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Ground Segment
We have a strong track record in developing and operating ground segment systems for satellites and launchers.
Our services include:
Design and Development of Command and Control Systems.
Real-time Trajectory Tracking and Flight Safety Systems.
Data processing and dissemination for Earth Observation missions.
Control center development for Europe’s key spaceports.
We have worked with major programs such as Ariane 5, Ariane 6, Vega, Soyuz, SEOSAT, and the Meteosat Third Generation.
On-Board Segment
GTD develops reliable, high-quality onboard software for all types of space vehicles. Our experience includes:
Flight software for launchers like Ariane 5, Ariane 6, Vega, and ATV.
On-Board control systems for satellites (SEOSAT, MTG, Sentinel-2, EUCLID, GAIA, EarthCARE, and more).
Development of avionics systems, onboard data processing, and validation facilities.
Independent Software Verification and Validation (ISVV) for critical space missions.
Our on-board solutions meet the most demanding real-time and safety requirements.
Operations
GTD provides end-to-end operational support and maintenance services at key spaceports and control centers.
We manage:
Hardware and software maintenance.
Anomaly correction and contingency operations during launches.
Logistics and installation of critical systems.
Test configuration, launching campaigns, and revalidation activities.
We have been trusted for the maintenance and operation of computerized systems at the Guiana Space Centre (CSG) for decades.
Spaceports
GTD has actively contributed to the development, integration, and operation of spaceport infrastructure across Europe and beyond. From control centers to launcher safety systems, our solutions are an integral part of today's launch operations.
Over 30 years of Expertise in Top European Launchers
On-board Software
Ground Segments Facilities
Operational Ground Segment
Measurement Systems
Maintenance Services
Validation Facilities
Evolving to Go Further
The future of space exploration and security is built on precision, innovation, and a relentless pursuit of excellence. As the space domain becomes more strategic and interconnected, we are bringing our expertise in space and security together into a single, stronger unit.
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Some of Our Clients
Headquarters in Europe
Our main HQ is located in Barcelona. Also, we have offices and specialised teams in France and Germany. You can visit their respective websites here:
GTD Germany
GTD has over 30 years of experience in aerospace engineering, developing critical systems for European space programs. We focus on Space Transportation, Earth Observation, science, robotics, as well as securing critical software and infrastructures. Our tailored solutions ensure mission success.
GTD International
GTD specializes in developing and integrating advanced systems to secure people, territories, and critical infrastructures. Our expertise includes tactical communications, surveillance, safety, and C4I solutions for civil and military platforms.
Our Value
500
Engineers
Clients in 26 Countries
6 Offices
Worldwide
90 M€ Total Revenue
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