European group of multi-technology companies

We are creating turnkey communications solutions for a worldwide market.

For over 25 years, our business has been synonymous with world-class innovation, quality and engineering excellence with a customer focus.

We deliver technology products, systems and services to our partners across the aerospace, defence, satellite, scientific and IoT sectors.


Global in reach, our multi-disciplined teams create smart responses to communications challenges using new ideas, new technologies and new ways of thinking.

  • +35M€

    Our annual revenue from hundreds of customers around the world who rely on our products and solutions.

  • +200

    Our diverse, multi-talented people, highly qualified engineers, production technicians and project managers.

  • 6

    Our engineering and production facilities in six European countries, for proximity and support for our customers.

Where we are

Celestia is a multi-technology business with an international reach. We have design, manufacturing and testing facilities in Spain, the Netherlands, Belgium, France and the UK.

Antwerpen, Belgium Santander, Spain Santander, Spain France Noordwijk, Netherlands Edinburgh, Scotland Madrid, Spain world
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Our companies

Our group companies operate across the globe but share a common purpose. Together, we exist to lead the continuous search for cutting-edge solutions with reliable, affordable, European made high technology.

  • We provide cutting-edge radiofrequency, antenna and ground stations solutions for satellite communications based on the most advanced technologies, with an extensive portfolio of products and services tailored for broadcast, aerospace, radioastronomy, deep space, science, government and security customers. With over 25 years of specialist experience, a100-strong team based in Spain and a wide range of collaborators elsewhere, we are a highly technological, innovative engineering company meeting the technology needs of our customers around the world.

    WEBSITE N.01 Read more
  • We are experts on end-to-end digital transformation solutions based on IoT technology, a highly qualified engineering team with strong expertise in electronics design, sensors integration, wireless communications and IoT platform and applications. With more than 15 years within the IoT ecosystem, we have extensive experience in the design, manufacture and commercialisation of IoT custom products, meeting the most demanding requirements of customers in the markets of industry 4.0, agrifood and smart metering. We are our customers’ technology partner making their ideas a reality.

    WEBSITE N.02 Read more
  • For over 25 years, we have been creating advanced high-performance front-end solutions for ground station manufacturers and operators that enhance the performance of radio antennas large and small.


    Working with international space agencies, radioastronomy and defence customers, our offer includes the design and manufacture of ambient and cryogenic Low Noise Amplifiers to boost G/T, Cryogenic engineering and design services as well as RF integration and consultancy.

    WEBSITE N.03 Read more
  • We provide ground-based solutions in the domains of satellite simulation, testing, communication and data processing. We have more than 30 years of experience in the space industry, supplying satellite test, simulation and RF/Optical modem equipment. We have delivered over 350 EGSEs and modems to space agencies, large system integrators and specialised flight-equipment manufacturers and operators around the world. Our EGSE solutions have been used in more than 80% of all European Space Agency missions.

    WEBSITE N.04 Read more
  • We pioneer innovative technical solutions tackling complex challenges in very high throughput satcoms for the communications, earth observation, PNT(positioning, navigation and timing) and TT&C markets. Leaders in electronic scanning antennas systems, our expertise encompasses antenna design, phased arrays, satcom gateways, RF, digital signal processing, comprehensive system design, and specialised software for satellite and terrestrial communication systems. We emphasise technical superiority and cost-efficiency, focussing on satellite communications, 5G and position navigation and timing sectors.

    WEBSITE N.05 Read more
  • With over 60 years’ experience in the space sector, we provide solutions in full turnkey Earth Observation or TT&C ground stations. Solutions are built on proven expertise in satellite communications and our own high-end product range of Earth Observation and TT&C modems in combination with wide band digitisers. We also develop turnkey projects involving payload and TT& C satellite test benches (EGSE, SCOE), providing systems to test the complete RF chain of the satellite before it is launched in orbit.

    WEBSITE N.06 Read more

Our team

We are a European team working together as one.

We draw on the collective strengths of our individual companies, bringing a wealth of experience and know-how to every project.

Who we are?

Our customers

We have a strong heritage in partnering with businesses and international space agencies from development to commercialisation in a wide range of key enabling technologies.

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