A close-up of a vintage computer control panel with several rows of switches, indicator lights, and knobs, next to a monitor displaying a graph and a keyboard below it.Control room with multiple computer monitors, telephones, and communication devices arranged in curved rows facing a large central video wall displaying data and images.Satellite in orbit — Celeres expertiseMan standing on a paved path near railway tracks with a rocket on a launch pad in the background during daytime.

Space & Security

Becomes

GTD Space & Security

Becomes

Celeres

The world runs on systems
made to go unnoticed

Celeres designs, implements, integrates, validates, and supports the software and systems that critical missions depend on across space, defence, transport and public services.

GTD Space & Security

Becomes

Celeres

60

Our Vision

we deliver software & systems for the most demanding environments

Aerial view — Celeres vision
Celeres vision image
Celeres vision image

We're bringing that same standard to every critical system that needs it, wherever it operates.

Lyon

Office

France

45.730586

4.96615

10 Rue Jacquard 69680 CHASSIUX

Esrange

Spaceport

Sweden

67.89

21.10

Esrange Space Center, 981 92 Kiruna

+46 980 00000

esrange@celeres.space

Andøya

Spaceport

Norway

69.29

16.03

Andoya Spaceport, 8480 Andenes

+47 76 00 00 00

andoya@celeres.space

Kourou

Spaceport

French Guiana

5.16

-52.65

Centre Spatial Guyanais, Kourou

+594 594 00 00 00

kourou@celeres.space

Markdorf

Office

Germany

47.72

9.39

Hauptstrasse 1, 88677 Markdorf

+49 7544 00000

markdorf@celeres.space

Lavelanet

Office

France

42.93

1.85

Chemin de la Coume 09300 Lavelanet

+33 5 00 00 00 01

lavelanet@celeres.space

Brest

Office

France

48.39

-4.49

75 rue Jules Janssen 29490 Guipavas

+33 2 00 00 00 00

brest@celeres.space

Paris

Office

France

48.727133

2.265672

2 Rue du Chemin des femmes, 91300 Massy

+33 1 00 00 00 00

paris@celeres.space

Toulouse

HQ

France

43.60

1.44

1 Place du Capitole, 31000 Toulouse

+33 5 00 00 00 00

toulouse@celeres.space

Barcelona

Office

Spain

41.39

2.19

Paseo Garcia Faria 17, 08005 Barcelona

+34 934 939 300

gtd-bcn@gtd.es

Location
HQOfficeSpaceport

Proven across missions, present across Europe.

From our headquarters in Barcelona to the launch pads of Kourou, Andoya and Esrange, Celeres teams operate where missions happen.

Headquarters

Toulouse

France

Offices

Barcelona

Spain

Markdorf

Germany

Brest

France

Lavelanet

France

Lyon

France

Paris

France

Spaceports leveraging Celeres technologies

Esrange

Sweden

Andøya

Norway

Kourou

French Guiana

Our expertise

Four segments, one standard

Space

Supporting space players in IT engineering

Defence

We protect defence infrastructure and systems

Transport

Our IT and integration services in the transport sector

Public Sector

Designing flexible, high-performance and secure public infrastructures

Two colleagues discussing at a workstation

i-CDO

Co-leading the GENESIS consortium in partnership with Telespazio, Celeres (formerly GTD) is a key industrial player in the CSG-NG program for the i-CDO project. Backed by a strong network of subcontractors, this undertaking consolidates all IT operational systems related to launch and mission campaigns into a unified infrastructure. It serves the most critical missions conducted for the Launch Operator and Flight Safety.

Latest news

Discover the latest developments from Celeres, from new projects and technological milestones to company updates and industry insights.

GTD's First Industrial PhD

Autonomous flight safety systems for reusable launchers: Alejandro Sabán completes GTD's first industrial doctorate on AFSS technology for New Space.

GTD welcomes Government of Catalonia representatives to discuss the Catalan space strategy

GTD receives representatives from the Government of Catalonia to discuss the Catalan space strategy and the region’s role in the European space ecosystem.

VA267: GTD Upgrades Telemetry Visibility for Ariane 64’s First Mission with 32 Amazon LEO Satellites

For VA267, GTD enhanced SCET‑M system to display LEO payload separations and estimate injection orbits, supporting Ariane 64’s first mission from Kourou.

Have a project in mind, let's talk

Our team is ready to answer your questions and explore your mission requirements.