Space & Science

When software failure means mission failure, there's no room for compromise. For over two decades, we've delivered mission-critical flight software, ground systems, and validation frameworks for space agencies and research institutions, engineering solutions that perform under extreme conditions where reliability isn't optional.

space-hero
Space & Science

Proven expertise across the mission lifecycle

Space and scientific programs operate under constraints that conventional software engineering cannot address: restricted computing resources, hardware fault tolerance, real-time determinism, and qualification standards that demand traceability at every level. We've spent two decades mastering these challenges across flight software, ground segment systems, and mission-critical infrastructure for ESA, NASA, EUMETSAT, and leading space primes.

Our approach combines deep space domain knowledge with cross-industry expertise from automotive, aviation, and defense—bringing proven safety-critical methods to complex missions. From initial concept through launch, operations, and long-term support, we deliver end-to-end engineering capability: high-reliability software development, rigorous V&V, ISVV, system qualification, and the platforms that enable teams to scale without compromising quality.

Our Solutions

Engineering for Space & Science

From flight software to ground systems, our solutions address the complete mission lifecycle, combining rigorous software engineering, safety-critical verification, real-time systems expertise, and advanced data processing to support missions from concept through operational deployment and beyond.

01
Software & Systems Engineering

Flight software for OBC, instrument controllers, data processing, and TM/TC systems across Earth observation, deep-space, and scientific missions.

software-systems-engineering
02
Verification & Validation | ISVV

Safety-critical verification and validation for space software and systems, including ISVV, SIL, MIL, HIL, AIT support, and on-board software validation.

verif-valid-isvv
03
Real-Time Operating Systems

RTOS development and validation for mixed-criticality space applications. Deep expertise in RTEMS, VxWorks, and industry-standard platforms, ensuring determinism, robustness, and long-term maintainability.

real-time-operating-systems
04
Simulation

Simulation and modeling for space system development, validation, and qualification. Includes trusted simulation facilities, mission analysis models, and operational readiness verification.

verificationvalidation-1
05
Safety, Quality and Product Assurance

End-to-end safety, quality, and product assurance across the mission lifecycle, from safety-critical function development and RAMS studies to risk assessment and space standards compliance.

safety-quality
06
Scientific Computing, Data Analytics and Machine Learning

High-performance computing and ML solutions for data-intensive space missions, from Earth observation processing to advanced physics experimentation with scalable analytics and domain-aware insights.

scientific-computing

Some of the brands that trust us

logo-esa
logo-eso
skao-logo
iter-logo
airbus-logo-2
logo-eumetsat
logo-thales-1
logo-ohb
logo-clearspace-1
logo-tttech-1
logo-huld-1
logo-neuraspace
logo-infiniteorbits-1
logo-nasa-1
turion-space
Karvel

Build your next mission on proven software

Platform
Karvel

Karvel is a modular on-board software platform and SDK that enables satellite teams to build, verify, and qualify mission software—without starting from scratch.

karvel-forum-esa
Get in touch

Let’s build your next space mission together

Our teams work alongside space agencies, research organisations, and industry partners to deliver high-reliability software and systems for mission-critical space and scientific programmes.

mauro-gameiro
Mauro Gameiro

Principal Engineer

rodrigo-pascoal
Rodrigo Pascoal

Business Development Director

diogo-amorim
Diogo Amorim

Business Development Manager

News

Latest from space

Insights, news, and perspectives from our space team.

space_turion
NewsSpace

Critical Software Announces Investment in Turion Space and Strengthens Its Presence in the Space Sector

Critical Software announces investment in Turion Space, supporting innovation in space sustainability and orbital operations.

space_isvv-1
NewsSpace

New ISVV Handbook for Space

A new ISVV guide is being developed to strengthen independent verification and validation for safer, more reliable space missions.

space_orbiter-1
BlogSpace

Here Comes the Sun - Launching the Solar Orbiter

Discover how Critical Software supports the Solar Orbiter mission, enabling reliable software and systems for cutting-edge space exploration.

space_devolepers-1
BlogSpace

In Space, No One Can Hear Developers Scream

Discover the unique challenges of developing software for space, where reliability, safety, and fault tolerance are mission-critical.

space_2_0-1
BlogSpace

Space 2.0: Advancements and Strategic Moves in the New Space Era

Explore key advancements and strategic shifts shaping the Space 2.0 era, from commercialisation to cutting-edge space technologies.