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Welcome to Starion

System engineering excellence for space, defence and critical infrastructures

Breaking news

Completion of Starion and Nexova acquisitions

30 April 2026: Sopra Steria, a major player in the European tech sector, has announced that it has completed its acquisitions of Starion and Nexova creating a leading European player in the space and cybersecurity sectors.

The acquisitions of Starion and Nexova are part of Sopra Steria’s strategy to bolster the Group’s positioning as a leading European operator in secure, sovereign digital services. They strengthen the Group’s space and cybersecurity activities by expanding its range of expertise in engineering for space systems, cybersecurity for critical infrastructures, quantum security, and managed services.

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Services & Solutions

Space

Space

Our experts cover the complete satellite lifecycle, from idea through design, development and operations to end-of-life disposal. They contribute to essential space-related programmes and major space science projects.

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System
Engineering

System Engineering

We provide professional engineering services to space, defence and other critical infrastructures across Europe, and world-class expertise in digital engineering including concurrent design and model-based system engineering (MBSE).

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Applied
Technologies

Applied Technologies

We enable digitalisation, resilience, security and capability building by combining our expertise in competences such as artificial intelligence (AI) and quantum-safe communications with our skills in space and system engineering.

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Space

Our experts cover the complete satellite lifecycle, from idea through design, development and operations to end-of-life disposal. They contribute to essential space-related programmes and major space science projects.

Read more

System Engineering

We provide professional engineering services to space, defence and other critical infrastructures across Europe, and world-class expertise in digital engineering including concurrent design and model-based system engineering (MBSE).

Read more

Applied Technologies

We enable digitalisation, resilience, security and capability building by combining our expertise in competences such as artificial intelligence (AI) and quantum-safe communications with our skills in space and system engineering.

Read more
Veronica from Starion

Veronica, Operations Manager, Spain

“I enjoy the fact that every day brings a new challenge. My role involves a wide variety of tasks, each of them requiring different skills, which keeps my work dynamic and engaging. I am never bored! What I specially love are the people-focused tasks: collaborating with other service managers, finding solutions together, listening to employees and understanding what they need – in general, improving everyone’s work experience.”

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Starion provides engineering expertise and solutions for space, defence and other critical infrastructures across Europe.

Starion offers over three decades of expertise in professional engineering services, developing and operating systems and solutions tailored to our clients’ needs, pushing the boundaries of innovation.

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How can we help?

Get in touch to discuss your system engineering requirements and we’ll put you in touch with someone who can help.

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